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Nonlinear behavior in dynamic nanoindentation

Publication ,  Journal Article
Mann, BP; Liu, J
Published in: Proceedings of the 20th Annual ASPE Meeting, ASPE 2005
December 1, 2005

Numerical studies of Eq. (1), performed for several excitation voltage levels, show that the combination of transducer mechanical and electrostatic nonlinearity as well as the interaction force nonlinearity provide a significant source of error in dynamic nanoindentation. To provide a graphical example, the response amplitude and phase results from a VDC = 15 [V] and VAC = 13 [V] excitation are shown in Fig. 2. This figure shows that the response at the first harmonic, a result of nonlinearity in the system, is sometimes larger than response amplitude at the excitation frequency; therefore, significant errors can occur when identifying the material behavior under the assumption of a linear system model.

Duke Scholars

Published In

Proceedings of the 20th Annual ASPE Meeting, ASPE 2005

Publication Date

December 1, 2005
 

Citation

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Mann, B. P., & Liu, J. (2005). Nonlinear behavior in dynamic nanoindentation. Proceedings of the 20th Annual ASPE Meeting, ASPE 2005.
Mann, B. P., and J. Liu. “Nonlinear behavior in dynamic nanoindentation.” Proceedings of the 20th Annual ASPE Meeting, ASPE 2005, December 1, 2005.
Mann BP, Liu J. Nonlinear behavior in dynamic nanoindentation. Proceedings of the 20th Annual ASPE Meeting, ASPE 2005. 2005 Dec 1;
Mann, B. P., and J. Liu. “Nonlinear behavior in dynamic nanoindentation.” Proceedings of the 20th Annual ASPE Meeting, ASPE 2005, Dec. 2005.
Mann BP, Liu J. Nonlinear behavior in dynamic nanoindentation. Proceedings of the 20th Annual ASPE Meeting, ASPE 2005. 2005 Dec 1;

Published In

Proceedings of the 20th Annual ASPE Meeting, ASPE 2005

Publication Date

December 1, 2005