Theoretical analysis of the relationships between hardness, elastic modulus, and the work of indentation for work-hardening materials

被引：24
|
作者：
Yang, Rong [1 ,2 ]
Zhang, Taihua [1 ]
Feng, Yihui [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH | 2010年 / 25卷 / 11期
关键词：
MECHANICAL-PROPERTIES; YOUNGS MODULUS; RES; 20;
D O I：
10.1557/JMR.2010.0267
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In our previous paper, the expanding cavity model (ECM) and Lame solution were used to obtain an analytical expression for the scale ratio between hardness (H) to reduced modulus (E-r) and unloading work (W-u) to total work (W-t) of indentation for elastic-perfectly plastic materials. In this paper, the more general work-hardening (linear and power-law) materials are studied. Our previous conclusions that this ratio depends mainly on the conical angle of indenter, holds not only for elastic perfectly-plastic materials, but also for work-hardening materials. These results were also verified by numerical simulations.
引用
收藏
页码：2072 / 2077
页数：6
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