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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 668On Determining Elastic Modulus from Instrumented...

On Determining Elastic Modulus from Instrumented Indentation

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Abstract:

Computational simulations of indentations in elastic-plastic materials showed overestimate in determining elastic modulus using the Oliver & Pharr’s method. Deviations significantly increase with decreasing material hardening. Based on extensive finite element computations the correlation between elastic-plastic material property and indentation has been carried out. A modified method was introduced for estimating elastic modulus from dimensional analysis associated with indentation data. Experimental verifications confirm that the new method produces more accurate prediction of elastic modulus than the Oliver & Pharr’s method.

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Materials Science and Engineering II

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Periodical:

Advanced Materials Research (Volume 668)

Pages:

616-620

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.668.616

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Cite this paper

Online since:

March 2013

Authors:

Shuai Huang, Huang Yuan

Keywords:

Dimensional Analysis, Estimate of Elastic Modulus, Finite Element Method (FEM), Indentation

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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