Influence of Vickers tip imperfection on depth sensing indentation tests

被引：30
作者：
Antunes, J. M.
Menezes, L. F.
Fernandes, J. V.
机构：
[1] Inst Politecn Tomar, Escola Super Tecnol Abrantes, P-2200 Abrantes, Portugal
[2] Univ Coimbra, Fac Ciencias & Tecnol, Dept Engn Mecan, CEMUC, P-3030201 Coimbra, Portugal
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2007年 / 44卷 / 09期
关键词：
hardness; indentation and elastic properties;
D O I：
10.1016/j.ijsolstr.2006.08.017
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In the last decade, the development of depth sensing indentation equipment has permitted two of the most conventional mechanical properties of materials to be easily determined: hardness and Young's modulus. Some care is needed to accurate results from the experimental determination of the aforementioned mechanical properties. In this study, numerical simulations were performed on two well-known materials (Bk7 glass, AISI M2 steel) and on fictitious materials with a wide range of mechanical properties, using Vickers indenters with different sizes of tip imperfections. The purpose is to estimate the influence of the size of the defect on the hardness and Young's modulus results obtained by ultramicro and nanoindentation tests. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2732 / 2747
页数：16
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