期刊
MATERIALS & DESIGN
卷 65, 期 -, 页码 989-994出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2014.10.018
关键词
-
资金
- National Science Foundation of China [41072207]
In this study, attempts have been made to estimate the representative stress-strain relation of metallic materials from indentation tests using an iterative method. Finite element analysis was performed to validate the method. The results showed that representative stress-strain relations of metallic materials using the present method were in a good agreement with those from tensile tests. Further, this method was extended to predict representative stress-strain relation of ultra-thin molybdenum films with a thickness of 485 nm using nanoindentation. Yielding strength and strain hardening exponent of the films were therefore obtained, which showed a good agreement with the published data. (C) 2014 Elsevier Ltd. All rights reserved.
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