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L. Catherine Brinson

L. Catherine Brinson

Sharon C. and Harold L. Yoh, III Distinguished Professor
Thomas Lord Department of Mechanical Engineering and Materials Science
cate.brinson@duke.edu
3379 Fciemas Building, Box 90300, Durham, NC 27708
3379 Fciemas Building, Duke Campus, Durham, NC 27708

Selected Publications

A multiscale design method using interpretable machine learning for phononic materials with closely interacting scales

Journal Article Computer Methods in Applied Mechanics and Engineering · May 15, 2025 Manipulating the dispersive characteristics of vibrational waves is beneficial for many applications, e.g., high-precision instruments. architected hierarchical phononic materials have sparked promise tunability of elastodynamic waves and vibrations over m ... Full text Cite

Pushing AFM to the Boundaries: Interphase Mechanical Property Measurements near a Rigid Body

Journal Article Macromolecules · January 28, 2025 Understanding the mechanical properties of polymer nanocomposite materials is essential for industrial use. Particularly, the determination of the polymer modulus at the nanofiller-polymer interphase is important for optimizing the interfacial mechanical p ... Full text Cite

Uncertainty quantification of acoustic metamaterial bandgaps with stochastic material properties and geometric defects

Journal Article Computers and Structures · December 1, 2024 Acoustic metamaterials are a subject of increasing study and utility. Through designed combinations of geometries with material properties, acoustic metamaterials can be built to arbitrarily manipulate acoustic waves for various applications. Despite the t ... Full text Cite

BOTTS: broadband optimized time-temperature superposition for vastly accelerated viscoelastic data acquisition.

Journal Article Soft matter · October 2024 Modern materials design strategies take advantage of the increasing amount of materials property data available and increasingly complex algorithms to take advantage of those data. However, viscoelastic materials resist this trend towards increased data ra ... Full text Cite

Tackling Structured Knowledge Extraction from Polymer Nanocomposite Literature as an NER/RE Task with seq2seq

Journal Article Integrating Materials and Manufacturing Innovation · September 1, 2024 There is an urgent need for ready access to published data for advances in materials design, and natural language processing (NLP) techniques offer a promising solution for extracting relevant information from scientific publications. In this paper, we pre ... Full text Cite

How Well Do Large Language Models Understand Tables in Materials Science?

Journal Article Integrating Materials and Manufacturing Innovation · September 1, 2024 Advances in materials science require leveraging past findings and data from the vast published literature. While some materials data repositories are being built, they typically rely on newly created data in narrow domains because extracting detailed data ... Full text Cite

Partnerships and collaboration drive innovative graduate training in materials informatics.

Journal Article Science advances · May 2024 Holistic and intentional training prepares next-generation materials informatics leaders and workforce for expedited materials discovery and design. ... Full text Cite

14 examples of how LLMs can transform materials science and chemistry: a reflection on a large language model hackathon.

Journal Article Digital discovery · October 2023 Large-language models (LLMs) such as GPT-4 caught the interest of many scientists. Recent studies suggested that these models could be useful in chemistry and materials science. To explore these possibilities, we organized a hackathon. This article chronic ... Full text Cite

Prediction of tensile performance for 3D printed photopolymer gyroid lattices using structural porosity, base material properties, and machine learning

Journal Article Materials and Design · August 1, 2023 Advancements in additive manufacturing (AM) technology and three-dimensional (3D) modeling software have enabled the fabrication of parts with combinations of properties that were impossible to achieve with traditional manufacturing techniques. Porous desi ... Full text Cite

Tensile performance data of 3D printed photopolymer gyroid lattices.

Journal Article Data in brief · August 2023 Additive manufacturing has provided the ability to manufacture complex structures using a wide variety of materials and geometries. Structures such as triply periodic minimal surface (TPMS) lattices have been incorporated into products across many fields d ... Full text Cite

Applied machine learning as a driver for polymeric biomaterials design.

Journal Article Nature communications · August 2023 Polymers are ubiquitous to almost every aspect of modern society and their use in medical products is similarly pervasive. Despite this, the diversity in commercial polymers used in medicine is stunningly low. Considerable time and resources have been exte ... Full text Cite

Design of Polymer Nanodielectrics for Capacitive Energy Storage.

Journal Article Nanomaterials (Basel, Switzerland) · August 2023 Polymer nanodielectrics present a particularly challenging materials design problem for capacitive energy storage applications like polymer film capacitors. High permittivity and breakdown strength are needed to achieve high energy density and loss must be ... Full text Cite

Machine-Learning-Assisted Understanding of Polymer Nanocomposites Composition-Property Relationship: A Case Study of NanoMine Database.

Journal Article Macromolecules · June 2023 The NanoMine database, one of two nodes in the MaterialsMine database, is a new materials data resource that collects annotated data on polymer nanocomposites (PNCs). This work showcases the potential of NanoMine and other materials data resources to assis ... Full text Cite

Data-Driven Multiscale Science for Tread Compounding

Journal Article Tire Science and Technology · April 1, 2023 Tread compounding has always been faced with the simultaneous optimization of multiple performance properties, most of which have tradeoffs between the properties. The search for overcoming these conflicting tradeoffs have led many companies in the tire in ... Full text Cite

Hierarchically structured bioinspired nanocomposites.

Journal Article Nature materials · January 2023 Next-generation structural materials are expected to be lightweight, high-strength and tough composites with embedded functionalities to sense, adapt, self-repair, morph and restore. This Review highlights recent developments and concepts in bioinspired na ... Full text Cite

How to see hidden patterns in metamaterials with interpretable machine learning

Journal Article Extreme Mechanics Letters · November 1, 2022 Machine learning models can assist with metamaterials design by approximating computationally expensive simulators or solving inverse design problems. However, past work has usually relied on black box deep neural networks, whose reasoning processes are op ... Full text Cite

FAIR and Interactive Data Graphics from a Scientific Knowledge Graph.

Journal Article Scientific data · May 2022 Graph databases capture richly linked domain knowledge by integrating heterogeneous data and metadata into a unified representation. Here, we present the use of bespoke, interactive data graphics (bar charts, scatter plots, etc.) for visual exploration of ... Full text Cite

Direct evidence of interfacial crystallization preventing weld formation during fused filament fabrication of poly(ether ether ketone)

Journal Article Additive Manufacturing · March 1, 2022 Poly(ether ether ketone) (PEEK) is a high-performance, semicrystalline thermoplastic that has attracted significant interest for material extrusion additive manufacturing techniques such as fused filament fabrication (FFF) but remains beset by poor weld st ... Full text Cite

The materials tetrahedron has a "digital twin".

Journal Article MRS bulletin · January 2022 AbstractFor over three decades, the materials tetrahedron has captured the essence of materials science and engineering with its interdependent elements of processing, structure, properties, and performance. As modern computational and statistical ... Full text Cite

Combining Machine Learning, DFT, EFM, and Modeling to Design Nanodielectric Behavior

Conference ECS Transactions · January 1, 2022 Predicting and designing the properties of polymer nanodielectrics is challenging due to the number of parameters controlling properties and the breadth of scale (from electronic to mm). This paper summarizes a preliminary study using elongated semiconduct ... Full text Cite

Metalized polyamide heterostructure as a moisture-responsive actuator for multimodal adaptive personal heat management.

Journal Article Science advances · December 2021 Personal thermal management textile/wearable is an effective strategy to expand the indoor temperature setpoint range to reduce a building’s energy consumption. Usually, textiles/wearables that were engineered for controlling conduction, convection, radiat ... Full text Cite

Best practices and recommendations for accurate nanomechanical characterization of heterogeneous polymer systems with atomic force microscopy

Journal Article Progress in Polymer Science · August 1, 2021 The past two decades have seen atomic force microscopy (AFM) evolve from an experimental technique to probe simple surface topography to one that can spatially map nanoscale material properties with exquisite sensitivity and high resolution. An expanding a ... Full text Cite

Distribution of rubber particles in the weld zone of fused filament fabricated acrylonitrile butadiene styrene and the impact on weld strength

Journal Article Additive Manufacturing · May 1, 2021 Fused filament fabrication (FFF) is a common additive manufacturing method for polymers that has been widely adopted due to its low cost and ease of use. However, FFF remains limited in high performance applications due to the weak mechanical properties of ... Full text Cite

Temperature dependent fracture behavior in model epoxy networks with nanoscale heterogeneity

Journal Article Polymer · April 14, 2021 The role of nanoscale heterogeneity on the mode I fracture toughness, KIc, of model epoxy networks has been investigated. Model systems utilized consist of diglycidyl ether of bisphenol A (DGEBA) as the epoxide with a stoichiometric amine mixture of a rigi ... Full text Cite

ChemProps: A RESTful API enabled database for composite polymer name standardization.

Journal Article Journal of cheminformatics · March 2021 The inconsistency of polymer indexing caused by the lack of uniformity in expression of polymer names is a major challenge for widespread use of polymer related data resources and limits broad application of materials informatics for innovation in broad cl ... Full text Cite

Tapered Polymer Whiskers to Enable Three-Dimensional Tactile Feature Extraction.

Journal Article Soft robotics · February 2021 Many mammals use their vibrissae (whiskers) to tactually explore their surrounding environment. Vibrissae are thin tapered structures that transmit mechanical signals to a wealth of mechanical receptors (sensors) located in a follicle at each vibrissal bas ... Full text Cite

Data-Driven Multiscale Science for Tire Compounding: Methods and Future Directions

Chapter · January 1, 2021 Modern tire compound design is confronted with the simultaneous optimization of multiple performance properties, most of which have tradeoffs between the properties. In order to uncover new design principles to overcome these historical tradeoffs, multisca ... Full text Cite

The influence of porosity, crystallinity and interlayer adhesion on the tensile strength of 3D printed polylactic acid (PLA)

Journal Article Rapid Prototyping Journal · January 1, 2021 Purpose: The purpose of this study is to understand how printing parameters and subsequent annealing impacts porosity and crystallinity of 3D printed polylactic acid (PLA) and how these structural characteristics impact the printed material’s tensile stren ... Full text Cite

Data centric nanocomposites design: Via mixed-variable Bayesian optimization

Journal Article Molecular Systems Design and Engineering · October 1, 2020 With an unprecedented combination of mechanical and electrical properties, polymer nanocomposites have the potential to be widely used across multiple industries. Tailoring nanocomposites to meet application specific requirements remains a challenging task ... Full text Cite

Investigating the effect of surface modification on the dispersion process of polymer nanocomposites

Journal Article Nanocomposites · August 27, 2020 Achieving controlled nanoparticle dispersion through melt processing has been challenging as processing-structure rules for polymer nanocomposites are still not well-defined. This work focuses on developing a quantitative understanding of the filler–matrix ... Full text Cite

A perspective on the data-driven design of polymer nanodielectrics

Journal Article Journal of Physics D: Applied Physics · August 12, 2020 Polymer nanodielectrics are an emerging class of materials with intriguing combinations of properties. They have application in everything from energy storage to high voltage electrical transmission, and energy generation. This article focuses on insulatin ... Full text Cite

Heterogeneity and inelasticity of deformation in a notched martensitic NiTi shape memory alloy specimen

Journal Article Acta Materialia · August 1, 2020 The low symmetry martensite phase in Nickel-Titanium (NiTi) shape memory alloy (SMA) has a hierarchical microstructure with micro-scale crystallites, which themselves consist of nano-laminates with an internal twin structure. The martensite phase deforms i ... Full text Cite

Vanishing Cantilever Calibration Error with Magic Ratio Atomic Force Microscopy

Journal Article Advanced Theory and Simulations · August 1, 2020 An analysis is presented of the error propagation through a simplified contact model for atomic force microscopy (AFM) static force spectroscopy, one that is meant to be intuitive and pedagogically informative rather than maximally realistic. It is shown t ... Full text Cite

Polymer Nanocomposite Data: Curation, Frameworks, Access, and Potential for Discovery and Design.

Journal Article ACS macro letters · August 2020 With the advent of the materials genome initiative (MGI) in the United States and a similar focus on materials data around the world, a number of materials data resources and associated vocabularies, tools, and repositories have been developed. While the m ... Full text Cite

Mining structure-property relationships in polymer nanocomposites using data driven finite element analysis and multi-task convolutional neural networks

Journal Article Molecular Systems Design and Engineering · June 1, 2020 Data-driven methods have attracted increasingly more attention in materials research since the advent of the material genome initiative. The combination of materials science with computer science, statistics, and data-driven methods aims to expediate mater ... Full text Cite

In-situ, microscale characterization of heterogeneous deformation around notch in martensitic Shape Memory Alloy

Journal Article Materials Science and Engineering: A · January 13, 2020 Deformation characterization of low-symmetry phases such as martensite in SMAs is challenging due to a fine-scale hierarchical microstructure. Using X-ray microLaue diffraction, in-situ deformation of martensite is examined in a notched NiTi specimen. The ... Full text Cite

NanoMine: A Knowledge Graph for Nanocomposite Materials Science

Chapter · January 1, 2020 Knowledge graphs can be used to help scientists integrate and explore their data in novel ways. NanoMine, built with the Whyis knowledge graph framework, integrates diverse data from over 1,700 polymer nanocomposite experiments. Polymer nanocomposites (pol ... Full text Cite

Structure-microstructure interactions in compression deformation of NiTi shape memory alloy micropillars

Journal Article Materials Letters · December 15, 2019 The interaction between structure and microstructure is studied via compression of NiTi Shape Memory Alloy (SMA) micropillars. In particular, the suppression of phase transformation seen in experiments when the intrinsic grain size approaches the external ... Full text Cite

Deconvolution of Stress Interaction Effects from Atomic Force Spectroscopy Data across Polymer-Particle Interfaces

Journal Article Macromolecules · November 26, 2019 Atomic force microscopy (AFM) is a powerful technique for imaging polymer nanocomposites as well as other systems with heterogeneous material properties on the nanoscale. However, the quantitative measurement of modulus is highly susceptible to convoluting ... Full text Cite

Rethinking interphase representations for modeling viscoelastic properties for polymer nanocomposites

Journal Article Materialia · June 1, 2019 Numerical modeling of viscoelastic properties is critical to developing the structure-property relationship of polymer nanocomposites. While it is recognized that the altered polymer region near filler particles, the interphase, significantly contributes t ... Full text Cite

Temperature effects on the nanoindentation characterization of stiffness gradients in confined polymers.

Journal Article Soft matter · January 2019 The stiffening of polymers near inorganic fillers plays an important role in strengthening polymer nanocomposites, and recent advances in metrology have allowed us to sample such effects using local mechanical measurement techniques such as nanoindentation ... Full text Cite

Data-centric mixed-variable Bayesian optimization for materials design

Conference Proceedings of the ASME Design Engineering Technical Conference · January 1, 2019 Materials design can be cast as an optimization problem with the goal of achieving desired properties, by varying material composition, microstructure morphology, and processing conditions. Existence of both qualitative and quantitative material design var ... Full text Cite

Mechanical properties of hard–soft block copolymers calculated from coarse-grained molecular dynamics models

Journal Article Journal of Polymer Science, Part B: Polymer Physics · December 1, 2018 To relate the mechanical responses of hard–soft copolymer systems with their microstructures, a coarse-grained molecular dynamics approach is employed, and mechanical properties of both hard and soft domains are calculated. We first investigate the enhance ... Full text Cite

Repairing large cracks and reversing fatigue damage in structural metals

Journal Article Applied Materials Today · December 2018 Full text Cite

AFM-based Dynamic Scanning Indentation (DSI) Method for Fast, High-resolution Spatial Mapping of Local Viscoelastic Properties in Soft Materials

Journal Article Macromolecules · November 13, 2018 An atomic force microscope (AFM) based fast dynamic scanning indentation (DSI) nano-DMA method, which relies only on the commonly available capabilities of commercial AFMs to provide quantitatively accurate high-resolution (∼15 nm) spatial maps of local vi ... Full text Cite

Microstructural materials design via deep adversarial learning methodology

Journal Article Journal of Mechanical Design · November 1, 2018 Identifying the key microstructure representations is crucial for computational materials design (CMD). However, existing microstructure characterization and reconstruction (MCR) techniques have limitations to be applied for microstructural materials desig ... Full text Cite

NanoMine schema: An extensible data representation for polymer nanocomposites

Journal Article APL Materials · November 1, 2018 Polymer nanocomposites consist of a polymer matrix and fillers with at least one dimension below 100 nanometers (nm) [L. Schadler et al., Jom 59(3), 53-60 (2007)]. A key challenge in constructing an effective data resource for polymer nanocomposites is bui ... Full text Cite

Determination of Mechanical Properties of Polymer Interphase Using Combined Atomic Force Microscope (AFM) Experiments and Finite Element Simulations

Journal Article Macromolecules · October 23, 2018 In polymer nanocomposites (PNCs), the physical and chemical interactions at the polymer matrix-filler interface lead to local variations in polymer properties over a substantial "interphase" region in the vicinity of the interface. Characterization of mech ... Full text Cite

A Transfer Learning Approach for Microstructure Reconstruction and Structure-property Predictions.

Journal Article Scientific reports · September 2018 Stochastic microstructure reconstruction has become an indispensable part of computational materials science, but ongoing developments are specific to particular material systems. In this paper, we address this generality problem by presenting a transfer l ... Full text Cite

Identifying interphase properties in polymer nanocomposites using adaptive optimization

Journal Article Composites Science and Technology · July 7, 2018 To predict the properties of nanocomposites, computational models have demonstrated that the interphase behavior can be expressed using the matrix properties with a modified (shifted) frequency. The amount of the shift necessary for a given sample data set ... Full text Cite

Influence of Structure and Microstructure on Deformation Localization and Crack Growth in NiTi Shape Memory Alloys

Journal Article Shape Memory and Superelasticity · June 1, 2018 Porous NiTi shape memory alloys have applications in the biomedical and aerospace fields. Recent developments in metal additive manufacturing have made fabrication of near-net-shape porous products with complicated geometries feasible. There have also been ... Full text Cite

Open-source micro-tensile testers via additive manufacturing for the mechanical characterization of thin films and papers.

Journal Article PloS one · January 2018 The cost of specialized scientific equipment can be high and with limited funding resources, researchers and students are often unable to access or purchase the ideal equipment for their projects. In the fields of materials science and mechanical engineeri ... Full text Cite

A deep adversarial learning methodology for designing microstructural material systems

Conference Proceedings of the ASME Design Engineering Technical Conference · January 1, 2018 In Computational Materials Design (CMD), it is well recognized that identifying key microstructure characteristics is crucial for determining material design variables. However, existing microstructure characterization and reconstruction (MCR) techniques h ... Full text Cite

Predicting the breakdown strength and lifetime of nanocomposites using a multi-scale modeling approach

Journal Article Journal of Applied Physics · August 14, 2017 It has been found that doping dielectric polymers with a small amount of nanofiller or molecular additive can stabilize the material under a high field and lead to increased breakdown strength and lifetime. Choosing appropriate fillers is critical to optim ... Full text Cite

Composites of 3D-Printed Polymers and Textile Fabrics*

Journal Article IOP Conference Series: Materials Science and Engineering · August 2017 Full text Cite

Stiffness Gradients in Glassy Polymer Model Nanocomposites: Comparisons of Quantitative Characterization by Fluorescence Spectroscopy and Atomic Force Microscopy

Journal Article Macromolecules · July 25, 2017 The issue of how significantly and over what length scales stiffness or modulus can be modified by the presence of a substrate or nanoparticle interface is important in the design and performance of polymer nanocomposites and nanostructured polymers. Here, ... Full text Cite

A framework for data-driven analysis of materials under uncertainty: Countering the curse of dimensionality

Journal Article Computer Methods in Applied Mechanics and Engineering · June 2017 Full text Cite

Porous shape-memory NiTi-Nb with microchannel arrays

Journal Article Acta Materialia · August 2016 Full text Cite

Perspective: NanoMine: A material genome approach for polymer nanocomposites analysis and design

Journal Article APL Materials · May 1, 2016 Polymer nanocomposites are a designer class of materials where nanoscale particles, functional chemistry, and polymer resin combine to provide materials with unprecedented combinations of physical properties. In this paper, we introduce NanoMine, a data-dr ... Full text Cite

Molecular Dynamics (MD) and Coarse Grain Simulation of High Strain-Rate Elastomeric Polymers (HSREP): Molecular and Coarse-Grained Methods for Microstructure-Property Relations in HSREP

Chapter · July 1, 2015 In this unique book, Elastomeric Polymers with High Rate Sensitivity, Dr. Roshdy Barsoum and expert contributors bring together the cutting-edge testing methodologies, material properties, and critical design data for engineers seeking to ... ... Cite

Microstructure and mechanical properties of as-cast quasibinary NiTi–Nb eutectic alloy

Journal Article Materials Science and Engineering: A · March 2015 Full text Cite

Multi-modal magnetic resonance elastography for noninvasive assessment of ovarian tissue rigidity in vivo.

Journal Article Acta biomaterialia · February 2015 For centuries, physicians have relied on touch to palpate tissue and detect abnormalities throughout the body. While this time-tested method has provided a simple diagnostic examination for large, superficial abnormalities, it does not permit quantifiable ... Full text Cite

Characterization of local elastic modulus in confined polymer films via AFM indentation.

Journal Article Macromolecular rapid communications · February 2015 The properties of polymers near an interface are altered relative to their bulk value due both to chemical interaction and geometric confinement effects. For the past two decades, the dynamics of polymers in confined geometries (thin polymer film or nanoco ... Full text Cite

Plastic and transformation interactions of pores in shape memory alloy plates

Journal Article Smart Materials and Structures · October 1, 2014 Full text Cite

Stalking the Materials Genome: A Data-Driven Approach to the Virtual Design of Nanostructured Polymers.

Journal Article Advanced functional materials · December 2013 Accelerated insertion of nanocomposites into advanced applications is predicated on the ability to perform a priori property predictions on the resulting materials. In this paper, a paradigm for the virtual design of spherical nanoparticle-filled polymers ... Full text Cite

Comparison of Three-Dimensional Shape Memory Alloy Constitutive Models: Finite Element Analysis of Actuation and Superelastic Responses of a Shape Memory Alloy Tube

Conference Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting · September 16, 2013 Many three-dimensional constitutive models have been proposed to enhance the analysis and design of shape memory alloy (SMA) structural components. Phenomenological models are desirable for this purpose since they describe macroscopic responses usi ... Full text Cite

Thermomechanical properties and deformation of coarse-grained models of hard-soft block copolymers.

Journal Article Physical review. E, Statistical, nonlinear, and soft matter physics · August 2013 In this paper, we investigate the enhancement mechanism of the mechanical properties for hard-soft block copolymers by using molecular dynamics simulations at various temperatures. A coarse-grained approach is adopted to study sufficiently generic models. ... Full text Cite

Hierarchical Structure and Properties of Graphene Oxide Papers

Journal Article Journal of Applied Mechanics · July 1, 2013 The mechanical properties of graphene oxide papers have attracted significant attention in recent years due to their high stiffness and tough behavior. While the structural feature most commonly characterized is the nanosheet spacing, there is a hi ... Full text Cite

Measurement of elastic constants of monoclinic nickel-titanium and validation of first principles calculations

Journal Article Applied Physics Letters · May 27, 2013 Polycrystalline, monoclinic nickel-titanium specimens were subjected to tensile and compressive deformations while neutron diffraction spectra were recorded in situ. Using these data, orientation-specific and macroscopic Young's moduli are determin ... Full text Cite

Effect of high-energy X-ray irradiation on creep mechanisms in bone and dentin.

Journal Article Journal of the mechanical behavior of biomedical materials · May 2013 Under long-term loading creep conditions, mineralized biological tissues like bone are expected to behave in a similar manner to synthetic composites where the creeping matrix sheds load to the elastic reinforcement as creep deformation progresses. To stud ... Full text Cite

Local and global strains and strain ratios in shape memory alloys using digital imagecorrelation

Journal Article Materials Science and Engineering: A · April 15, 2013 Local and global strain field maps of Nickel Titanium (NiTi) were examined during stress-induced phase transformation using digital image correlation (DIC). 2-D strain field maps of the sample surface during tensile deformation were correlated to the recov ... Full text Cite

Explicit finite element implementation of an improved three dimensional constitutive model for shape memory alloys

Journal Article Computer Methods in Applied Mechanics and Engineering · April 2013 Full text Cite

Evolution of Phase Strains During Tensile Loading of Bovine Cortical Bone

Journal Article Advanced Engineering Materials · April 2013 AbstractSynchrotron X‐ray scattering is used to measure average strains in the two main nanoscale phases of cortical bone – hydroxyapatite (HAP) platelets and collagen fibrils – under tensile loading at body temperature (37 ... Full text Cite

Mechanical properties of thin glassy polymer films filled with spherical polymer-grafted nanoparticles.

Journal Article Nano letters · August 2012 It is commonly accepted that the addition of spherical nanoparticles (NPs) cannot simultaneously improve the elastic modulus, the yield stress, and the ductility of an amorphous glassy polymer matrix. In contrast to this conventional wisdom, we show that d ... Full text Cite

Exfoliation and reassembly of cobalt oxide nanosheets into a reversible lithium-ion battery cathode.

Journal Article Small (Weinheim an der Bergstrasse, Germany) · April 2012 An exfoliation-reassembly-activation (ERA) approach to lithium-ion battery cathode fabrication is introduced, demonstrating that inactive HCoO(2) powder can be converted into a reversible Li(1-x) H(x) CoO(2) thin-film cathode. This strategy circumvents t ... Full text Cite

Formation mechanism of graphene oxide paper

Conference ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · March 25, 2012 Link to item Cite

Tuning the mechanical properties of graphene oxide paper and its associated polymer nanocomposites by controlling cooperative intersheet hydrogen bonding.

Journal Article ACS nano · March 2012 The mechanical properties of pristine graphene oxide paper and paper-like films of polyvinyl alcohol (PVA)-graphene oxide nanocomposite are investigated in a joint experimental-theoretical and computational study. In combination, these studies reveal a del ... Full text Cite

Evolution of load transfer between hydroxyapatite and collagen during creep deformation of bone.

Journal Article Acta biomaterialia · January 2012 While the matrix/reinforcement load-transfer occurring at the micro- and nanoscale in nonbiological composites subjected to creep deformation is well understood, this topic has been little studied in biological composites such as bone. Here, for the first ... Full text Cite

Bridged crack models for the toughness of composites reinforced with curved nanotubes

Journal Article Journal of the Mechanics and Physics of Solids · September 2011 Full text Cite

Bio-inspired borate cross-linking in ultra-stiff graphene oxide thin films.

Journal Article Advanced materials (Deerfield Beach, Fla.) · September 2011 Adjacent graphene oxide nanosheets in a thin-film structure have been covalently cross-linked in a fashion similar to the cell walls of higher-order plants. The resulting ultra-stiff structure exhibits a maximum storage modulus of 127 GPa that can be tuned ... Full text Cite

Evolution of order during vacuum-assisted self-assembly of graphene oxide paper and associated polymer nanocomposites.

Journal Article ACS nano · August 2011 Three mechanisms are proposed for the assembly of ordered, layered structures of graphene oxide, formed via the vacuum-assisted self-assembly of a dispersion of the two-dimensional nanosheets. These possible mechanisms for ordering at the filter-solution i ... Full text Cite

Model and Simulation of an SMA Enhanced Lip Seal

Journal Article Journal of Materials Engineering and Performance · July 2011 Full text Cite

Effect of particle agglomeration and interphase on the glass transition temperature of polymer nanocomposites

Journal Article Journal of Polymer Science Part B: Polymer Physics · May 15, 2011 AbstractIn this article, we utilize finite element modeling to investigate the effect of nanoparticle agglomeration on the glass transition temperature of polymer nanocomposites. The case of an attractive interaction betwee ... Full text Cite

Interfacial and Substrate Effects on Local Elastic Properties of Polymers Using Coupled Experiments and Modeling of Nanoindentation

Journal Article Advanced Engineering Materials · May 2011 AbstractThe mechanical properties of polymers near interfaces are important in a number of different fields. For almost two decades, the local dynamics of thin polymer films have been studied in great detail. However, devel ... Full text Cite

A new model to simulate the elastic properties of mineralized collagen fibril.

Journal Article Biomechanics and modeling in mechanobiology · April 2011 Bone, because of its hierarchical composite structure, exhibits an excellent combination of stiffness and toughness, which is due substantially to the structural order and deformation at the smaller length scales. Here, we focus on the mineralized collagen ... Full text Cite

Multi-scale reinforcement of CFRPs using carbon nanofibers

Journal Article Composites Science and Technology · January 2011 Full text Cite

Internal strain gradients quantified in bone under load using high-energy X-ray scattering.

Journal Article Journal of biomechanics · January 2011 High-energy synchrotron X-ray scattering (>60 keV) allows noninvasive quantification of internal strains within bone. In this proof-of-principle study, wide angle X-ray scattering maps internal strain vs position in cortical bone (murine tibia, bovine femu ... Full text Cite

Light-Weight, Fast-Cycling, Shape-Memory Actuation Structures

Conference ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1 · January 1, 2011 While bulk shape memory alloys (SMAs) have proven a successful means for creating adaptive aerospace structures in many demonstrations, including live flight tests, the time required to cool such actuators has been identified as a property that cou ... Full text Cite

Effect of an interphase region on debonding of a CNT reinforced polymer composite

Journal Article Composites Science and Technology · December 2010 Full text Cite

High‐Nanofiller‐Content Graphene Oxide–Polymer Nanocomposites via Vacuum‐Assisted Self‐Assembly

Journal Article Advanced Functional Materials · October 8, 2010 AbstractHighly ordered, homogeneous polymer nanocomposites of layered graphene oxide are prepared using a vacuum‐assisted self‐assembly (VASA) technique. In VASA, all components (nanofiller and polymer) are pre‐mixed prior ... Full text Cite

Sacrificial bonds in stacked-cup carbon nanofibers: biomimetic toughening mechanisms for composite systems.

Journal Article ACS nano · July 2010 Many natural composites, such as nacre or bone, achieve exceptional toughening enhancements through the rupture of noncovalent secondary bonds between chain segments in the organic phase. This "sacrificial bond" rupture dissipates enormous amounts of energ ... Full text Cite

Simulations of tensile failure in glassy polymers: effect of cross-link density

Journal Article Modelling and Simulation in Materials Science and Engineering · July 1, 2010 Full text Cite

Effects of dispersion and interfacial modification on the macroscale properties of TiO(2) polymer matrix nanocomposites.

Journal Article Composites science and technology · September 2009 This paper quantifies how the quality of dispersion and the quality of the interfacial interaction between TiO(2) nanoparticles and host polymer independently affect benchmark properties such as glass transition temperature (Tg), elastic modulus and loss m ... Full text Cite

Preparation and characterization of multiwalled carbon nanotube dispersions in polypropylene: Melt mixing versus solid‐state shear pulverization

Journal Article Journal of Polymer Science Part B: Polymer Physics · July 15, 2009 AbstractDispersions of multiwalled carbon nanotubes (MWNT) in polypropylene (PP) were prepared via conventional melt batch mixing and solid‐state shear pulverization. The properties and structure of each system were assesse ... Full text Cite

Intelligent design of nanocomposites via informatics

Conference ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · March 22, 2009 Link to item Cite

Biofunctionalized and graphene based polymer nanocomposites: The role of the interphase

Conference ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · March 22, 2009 Link to item Cite

Simulation of interphase percolation and gradients in polymer nanocomposites

Journal Article Composites Science and Technology · March 2009 Full text Cite

Planar aqueous electrode technique for polymer impedance spectroscopy

Journal Article Polymer Engineering & Science · March 2009 AbstractIn this article, we develop an aqueous electrode technique that can adapt to complex sample geometries while maintaining perfect contact between the electrodes and the measured sample. In contrast to surface deposit ... Full text Cite

Modeling mechanical aging shift factors in glassy polymers during nonisothermal physical aging. I. Experiments and KAHR‐ate model prediction

Journal Article Journal of Polymer Science Part B: Polymer Physics · February 2009 AbstractThis article presents experimental results and model predictions of the mechanical response of polymers during nonisothermal physical aging. The nonisothermal temperature history leads to a complex evolution in the ... Full text Cite

Gradient Interphases in Polymer Nanocomposites

Conference Volume 12: Micro and Nano Systems, Parts A and B · January 1, 2009 As revealed by experimental data on ultrathin polymer films [1, 2], polymer mobility changes in a gradient fashion away from the polymer-surface interface. However, little is yet known on gradients in mechanical properties in polymer nanocomposites ... Full text Cite

Computational modeling of porous shape memory alloys

Journal Article International Journal of Solids and Structures · October 2008 Full text Cite

Comment on: A Correction to the Brinson's Evolution Kinetics for Shape Memory Alloys

Journal Article Journal of Intelligent Material Systems and Structures · September 2008 Full text Cite

Mimicking mussel adhesion to improve interfacial properties in composites.

Journal Article Composites science and technology · July 2008 The macroscale properties of polymer-matrix composites depend immensely on the quality of the interaction between the reinforcement phase and the bulk polymer. This work presents a method to improve the interfacial adhesion between metal-oxides and a polym ... Full text Cite

Functionalized graphene sheets for polymer nanocomposites.

Journal Article Nature nanotechnology · June 2008 Polymer-based composites were heralded in the 1960s as a new paradigm for materials. By dispersing strong, highly stiff fibres in a polymer matrix, high-performance lightweight composites could be developed and tailored to individual applications. Today we ... Full text Cite

Titanium with aligned, elongated pores for orthopedic tissue engineering applications.

Journal Article Journal of biomedical materials research. Part A · February 2008 Porous titanium with elongated and aligned pores, mimicking the anisotropic structure of bone, was created by solid-state expansion of argon trapped in elongated pores between titanium wires. Both elastic moduli and yield strengths are larger in the longit ... Full text Cite

Phase diagram kinetics for shape memory alloys: a robust finite element implementation

Journal Article Smart Materials and Structures · December 1, 2007 Full text Cite

A three-dimensional phenomenological model for martensite reorientation in shape memory alloys

Journal Article Journal of the Mechanics and Physics of Solids · November 2007 Full text Cite

Graphitic nanofillers in PMMA nanocomposites—An investigation of particle size and dispersion and their influence on nanocomposite properties

Journal Article Journal of Polymer Science Part B: Polymer Physics · August 2007 AbstractMechanical, thermal, and electrical properties of graphite/PMMA composites have been evaluated as functions of particle size and dispersion of the graphitic nanofiller components via the use of three different graph ... Full text Cite

Improved interfacial adhesion between metal and polymer utilizing a biomimetic initiator

Conference ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · March 25, 2007 Link to item Cite

Effect of carbon nanoparticle geometry on the interphase in PMMA nanocomposites

Conference ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · March 25, 2007 Link to item Cite

Finite element modeling of porous titanium

Journal Article International Journal of Solids and Structures · January 2007 Full text Cite

A Hybrid Numerical-Analytical Method for Modeling the Viscoelastic Properties of Polymer Nanocomposites

Journal Article Journal of Applied Mechanics · September 1, 2006 In this paper, we present a novel hybrid numerical-analytical modeling method that is capable of predicting viscoelastic behavior of multiphase polymer nanocomposites, in which the nanoscopic fillers can assume complex configurations. By combining ... Full text Cite

Numerical modeling of pore size and distribution in foamed titanium

Journal Article Mechanics of Materials · August 2006 Full text Cite

Reinforcement mechanisms in MWCNT-filled polycarbonate

Journal Article Composites Science and Technology · July 2006 Full text Cite

Multiresolution analysis for material design

Journal Article Computer Methods in Applied Mechanics and Engineering · July 2006 Full text Cite

Shape memory alloys, Part II: Modeling of polycrystals

Journal Article Mechanics of Materials · May 2006 Full text Cite

Functionalized SWNT/polymer nanocomposites for dramatic property improvement

Journal Article Journal of Polymer Science Part B: Polymer Physics · January 15, 2006 Full text Cite

Use of electrical resistance testing to redefine the transformation kinetics and phase diagram for shape-memory alloys

Journal Article Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science · January 1, 2006 The phase-transformation temperatures of a nickel-titanium-based shape-memory alloy (SMA) were initially evaluated under stress-free conditions by the differential scanning calorimetric (DSC) technique. Results show that the phase-transformation temperatur ... Full text Cite

Finite Element Analysis of Adaptive-Stiffening and Shape-Control SMA Hybrid Composites

Journal Article Journal of Engineering Materials and Technology · 2006 Full text Cite

A bioactive titanium foam scaffold for bone repair.

Journal Article Acta biomaterialia · September 2005 While titanium has been clinically successful as an orthopedic or dental implant material, performance problems still persist related to implant-bone interfacial strength and mechanical modulus mismatch between titanium and tissue. We describe here the pre ... Full text Cite

Functionalized SWNT/polymer nanocomposites for dramatic property improvement

Journal Article Journal of Polymer Science Part B: Polymer Physics · September 2005 AbstractIn this paper, we present results for polymer nanocomposites of poly‐ (methyl methacrylate) (PMMA) and amide‐functionalized SWNTs. The results demonstrate that even at very low loadings, 1 wt % (0.5 vol %), the mech ... Full text Cite

New directions in mechanics

Journal Article Mechanics of Materials · February 2005 Full text Cite

Mechanics considerations for microporous titanium as an orthopedic implant material.

Journal Article Journal of biomedical materials research. Part A · June 2004 This article investigates mechanics issues related to potential use of a recently developed porous titanium (Ti) material for load-bearing implants. This material may have advantages over solid Ti of enhancing the bone-implant interface strength by promoti ... Full text Cite

Spectral Response and Effective Viscoelastic Properties of Mwnt-Reinforced Polycarbonate

Journal Article Advanced Composites Letters · March 2004 The impact of embedded carbon nanotubes on the effective viscoelastic response of a nanotube-reinforced polycarbonate system is characterized by studying the temperature- and frequency-dependent behaviour of the material. Macroscale experimental r ... Full text Cite

Bone-Shaped Nanomaterials for Nanocomposite Applications

Journal Article Nano Letters · August 1, 2003 Full text Cite

Model for high-strain-rate deformation of uranium–niobium alloys

Journal Article Journal of Applied Physics · June 15, 2003 A thermodynamic approach is used to develop a framework for modeling uranium–niobium alloys under the conditions of high-strain rate. Using this framework, a three-dimensional phenomenological model, which includes nonlinear elasticity (equation of ... Full text Cite

A Simplified Multivariant SMA Model Based on Invariant Plane Nature of Martensitic Transformation

Journal Article Journal of Intelligent Material Systems and Structures · December 2002 The Multivariant model describing shape memory alloy (SMA) constitutive behavior is further developed in this paper for improved prediction of thermomechanical response. In the original formulation of the Multivariant model, an interaction energy, ... Full text Cite

Special Issue: Physics, Mechanics and Modeling Phase Transformations

Journal Article Journal of Intelligent Material Systems and Structures · December 2002 Full text Cite

Micro and Macromechanical Investigations of CuAlNi Single Crystal and CuAlMnZn Polycrystalline Shape Memory Alloys

Journal Article Journal of Intelligent Material Systems and Structures · December 2002 The micro and macromechanical transformation behavior of single and polycrystalline shape memory alloys was investigated using in situ optical microscopy. An interference filter was used on the microscope to enhance observation of grain boundaries ... Full text Cite

Effects of nanotube waviness on the modulus of nanotube-reinforced polymers

Journal Article Applied Physics Letters · June 17, 2002 Recent experimental results demonstrate that substantial improvements in the mechanical behavior of polymers can be obtained using very small amounts of carbon nanotubes as a reinforcing phase. Here, a method is developed to incorporate the typical ... Full text Cite

Three-dimensional constitutive model for shape memory alloys based on microplane model

Journal Article Journal of the Mechanics and Physics of Solids · May 2002 Full text Cite

A Damage Evolution Model for Viscoelastic Composite Laminates

Journal Article Journal of Composites Technology and Research · 2001 Full text Cite

The variant selection criteria in single-crystal CuAlNi shape memory alloys

Journal Article Smart Materials and Structures · October 1, 2000 Full text Cite

A multivariant micromechanical model for SMAs Part 2. Polycrystal model

Journal Article International Journal of Plasticity · January 2000 Full text Cite

Aging During Elevated Temperature Stress Relaxation of IM7/K3B Composite

Conference · January 1, 2000 An experimental and analytical study was performed on the use of tension stress relaxation to characterize the effects of elevated temperature and physical aging on the linear viscoelastic behavior of IM7/K3B. Isothermal stress relaxation tests on ... Full text Cite

A continuous test data method to determine a reference curve and shift rate for isothermal physical aging

Journal Article Polymer Engineering & Science · February 1999 AbstractThe mechanical response of a material undergoing isothermal physical aging is governed by a reference curve (typically time‐dependent modulus or compliance) and a shift rate (which describes the rate of aging). In t ... Full text Cite

A Multivariant model for single crystal shape memory alloy behavior

Journal Article Journal of the Mechanics and Physics of Solids · August 1998 Full text Cite

Localized and Diffuse Thermoinduced Phase Transformation in 1-D Shape Memory Alloys

Journal Article Journal of Intelligent Material Systems and Structures · May 1998 In this paper we further explore the thermoinduced shape memory alloy transformation using a model developed in a previous publication. The problem investigated in detail is that of a semi-infinite SMA rod under uniaxial tension, subjected to boun ... Full text Cite

The effect of water on the fatigue behavior for a pultruded glass-reinforced composite

Conference CONFERENCE PROCEEDINGS AT ANTEC '98: PLASTICS ON MY MIND, VOLS I-3 · January 1, 1998 Link to item Cite

Environmental Fatigue of Pultruded Glass-Fiber-Reinforced Composites

Conference · January 1, 1998 Pultruded glass-fiber-reinforced vinyl ester composite coupons were subjected to four-point-bend environmental fatigue to study their long-term durability for infrastructure applications. Specimens were tested dry and while immersed in water and in ... Full text Cite

Creep and Physical Aging in a Polymeric Composite: Comparison of Tension and Compression

Journal Article Journal of Composite Materials · December 1997 To help address the lack of engineering data on the time-dependent behavior of advanced polymeric composites, a combined experimental and analytical research program was initiated to investigate the similarities and differences of the effects of p ... Full text Cite

Recovering Nonisothermal Physical Aging Shift Factors Via Continuous Test Data: Theory and Experimental Results

Journal Article Journal of Engineering Materials and Technology · July 1, 1997 For isothermal physical aging, a few simple tests to characterize the aging shift factors allow reasonable prediction of the mechanical response. In this paper, a new technique is developed to extract aging shift factors from creep data during a no ... Full text Cite

Special Issue on Characterization and Modeling of Polymeric Material Systems

Journal Article Journal of Engineering Materials and Technology · July 1, 1997 Full text Cite

Temperature-induced phase transformation in a shape memory alloy: Phase diagram based kinetics approach

Journal Article Journal of the Mechanics and Physics of Solids · June 1997 Full text Cite

Physical aging in polymers and polymer composites: An analysis and method for time‐aging time superposition

Journal Article Polymer Engineering & Science · January 1997 AbstractThe ability to include the effects of physical aging is critical to the design of engineering structures involving advanced polymers and polymer composites. Physical aging, a phenomenon caused by material evolution ... Full text Cite

Analysis of Controlled Beam Deflections Using SMA Wires

Journal Article Journal of Intelligent Material Systems and Structures · January 1997 In this paper the active control of beam deflection through heating and cooling of Shape Memory Alloy (SMA) wires is examined. A phenomenological constitutive law for SMA wires is coupled with beam theory to provide predictions of beam shape upon ... Full text Cite

Deformation of Shape Memory Alloys Due to Thermo-Induced Transformation

Journal Article Journal of Intelligent Material Systems and Structures · January 1996 In this paper, a macro-scale, phenomenological constitutive model for shape memory alloys is used in conjunction with energy balance equations to study the evolution of temperature and deformation profiles seen in SMA wires under specific thermal ... Full text Cite

Simplifications and Comparisons of Shape Memory Alloy Constitutive Models

Journal Article Journal of Intelligent Material Systems and Structures · January 1996 Here we will present a simplification of the form of one popular shape memory alloy (SMA) constitutive model. This simplification allows a more compact written form and hence easier calculations with the one-dimensional SMA constitutive law first ... Full text Cite

Long-term durability of composites in secondary infrastructure applications

Conference TECHNOLOGY TRANSFER IN A GLOBAL COMMUNITY · January 1, 1996 Link to item Cite

Effects of physical aging on long term creep of polymers and polymer matrix composites

Journal Article International Journal of Solids and Structures · March 1995 Full text Cite

Finite element analysis of the behavior of shape memory alloys and their applications

Journal Article International Journal of Solids and Structures · 1993 Full text Cite

Finite Element Analysis of Multiphase Viscoelastic Solids

Journal Article Journal of Applied Mechanics · December 1, 1992 The properties of composite solids containing multiple, viscoelastic phases are studied numerically. The dynamic correspondence principle of viscoelasticity is utilized in a finite element model to solve boundary value problems for obtaining global ... Full text Cite

Thermorheologically complex behavior of multi-phase viscoelastic materials

Journal Article Journal of the Mechanics and Physics of Solids · January 1991 Full text Cite