Dependence of the representative strain on the hardening functions of metallic materials in indentation

被引：10
|
作者：
Qian, Xiuqing
Cao, Yanping [1 ]
Lu, Jian
机构：
[1] Beijing Univ Aeronaut & Astronaut, Solid Mech Res Ctr, Beijing 100083, Peoples R China
[2] Forschungszentrum Karlsruhe, Inst Mat Res 2, D-76344 Eggenstein Leopoldshafen, Germany
[3] Hong Kong Polytech Univ, Dept Mech Engn, Kowloon, Hong Kong, Peoples R China
来源：
SCRIPTA MATERIALIA | 2007年 / 57卷 / 01期
关键词：
representative strain; linearly hardening materials; voce-type hardening materials; indentation tests;
D O I：
10.1016/j.scriptamat.2007.03.010
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We extended the representative strain defined by Dao et al. [M. Dao, N. Chollacoop, K.J. Van VIiet, T.A. Venkatesh, S. Suresh, Acta Mater. 49 (2001) 3899] from power law materials to linearly hardening and Voce-type hardening materials. The results reported herein highlight the extent to which the representative strains defined in the literature depend on the hardening functions of metallic materials. Moreover, they can be used to develop inverse approaches to determine the plastic properties of the metals whose plastic behaviour can be described using a linear or exponent function. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：57 / 60
页数：4
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