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A novel method combining additive manufacturing and alloy infiltration for NdFeB bonded magnet fabrication

Publication ,  Journal Article
Li, L; Tirado, A; Conner, BS; Chi, M; Elliott, AM; Rios, O; Zhou, H; Paranthaman, MP
Published in: Journal of Magnetism and Magnetic Materials
September 15, 2017
Published version (DOI)

In this paper, binder jetting additive manufacturing technique is employed to fabricate NdFeB isotropic bonded magnets, followed by an infiltration process with low-melting point eutectic alloys [i.e., Nd3Cu0.25Co0.75 (NdCuCo) and Pr3Cu0.25Co0.75 (PrCuCo)]. Densification and mechanical strength improvement are achieved for the as-printed porous part. Meanwhile, the intrinsic coercivity Hci is enhanced from 732 to 1345 kA/m and 1233 kA/m after diffusion of NdCuCo and PrCuCo, respectively. This study presents a novel method for fabricating complex-shaped bonded magnets with promising mechanical and magnetic properties.

Duke Scholars

Miaofang Chi
Author Miaofang Chi Thomas Lord Department of Mechanical Engineering and Materia ...

Published In

Journal of Magnetism and Magnetic Materials

DOI

10.1016/j.jmmm.2017.04.066

ISSN

0304-8853

Publication Date

September 15, 2017

Volume

438

Start / End Page

163 / 167

Related Subject Headings

  • Applied Physics
  • 5104 Condensed matter physics
  • 4016 Materials engineering
  • 0913 Mechanical Engineering
  • 0912 Materials Engineering
  • 0204 Condensed Matter Physics
 

Citation

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ICMJE
MLA
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Li, L., Tirado, A., Conner, B. S., Chi, M., Elliott, A. M., Rios, O., … Paranthaman, M. P. (2017). A novel method combining additive manufacturing and alloy infiltration for NdFeB bonded magnet fabrication. Journal of Magnetism and Magnetic Materials, 438, 163–167. https://doi.org/10.1016/j.jmmm.2017.04.066
Li, L., A. Tirado, B. S. Conner, M. Chi, A. M. Elliott, O. Rios, H. Zhou, and M. P. Paranthaman. “A novel method combining additive manufacturing and alloy infiltration for NdFeB bonded magnet fabrication.” Journal of Magnetism and Magnetic Materials 438 (September 15, 2017): 163–67. https://doi.org/10.1016/j.jmmm.2017.04.066.
Li L, Tirado A, Conner BS, Chi M, Elliott AM, Rios O, et al. A novel method combining additive manufacturing and alloy infiltration for NdFeB bonded magnet fabrication. Journal of Magnetism and Magnetic Materials. 2017 Sep 15;438:163–7.
Li, L., et al. “A novel method combining additive manufacturing and alloy infiltration for NdFeB bonded magnet fabrication.” Journal of Magnetism and Magnetic Materials, vol. 438, Sept. 2017, pp. 163–67. Scopus, doi:10.1016/j.jmmm.2017.04.066.
Li L, Tirado A, Conner BS, Chi M, Elliott AM, Rios O, Zhou H, Paranthaman MP. A novel method combining additive manufacturing and alloy infiltration for NdFeB bonded magnet fabrication. Journal of Magnetism and Magnetic Materials. 2017 Sep 15;438:163–167.
Journal cover image

Published In

Journal of Magnetism and Magnetic Materials

DOI

10.1016/j.jmmm.2017.04.066

ISSN

0304-8853

Publication Date

September 15, 2017

Volume

438

Start / End Page

163 / 167

Related Subject Headings

  • Applied Physics
  • 5104 Condensed matter physics
  • 4016 Materials engineering
  • 0913 Mechanical Engineering
  • 0912 Materials Engineering
  • 0204 Condensed Matter Physics