Estimation of Elastic-Plastic Tensile Properties Using Nano-Indentation Tests and FE Simulations

This paper discusses possibilities to extract elastic-plastic properties of nano-scale materials using combined nano-indentation tests with FE simulations. One interesting finding is that FE simulations of nano-indentation with a number of different plastic properties give same load-displacement res...

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Bibliographic Details
Published in:Key engineering materials 2006-12, Vol.326-328, p.361-364
Main Authors: Park, Jun Hyub, Kim, Yun Jae, Song, Tae Kwang, Hanh, Jun Hee
Format: Article
Language:English
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Summary:This paper discusses possibilities to extract elastic-plastic properties of nano-scale materials using combined nano-indentation tests with FE simulations. One interesting finding is that FE simulations of nano-indentation with a number of different plastic properties give same load-displacement response, which suggests that plastic properties cannot be determined from simulating load-depth curves from nano-indentation tests. However, careful examination of possible plastic properties suggests a concept of the reference strain, which makes it possible to effectively determine plastic properties from nano-indentation tests with FE simulations.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.326-328.361