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Determination of Residual Stress and Yield Stress Simultaneously by Indentation Method with Dual Indenters

Published online by Cambridge University Press:  01 February 2011

Xu Baoxing ,
Xinmei Wang  and
Zhufeng Yue
Xu Baoxing
Affiliation:
[email protected], Northwestern Polytechnical University, School of Mechanics, Civil Engineering and Architecture, 127# Youyi Xilu,, xi'an, 710072, China, People's Republic of, 86-29-88495540, 86-29-88460251
Xinmei Wang
Affiliation:
[email protected], Northwestern Polytechnical University, School of Mechanics, Civil Engineering and Architecture, Xi'an, 710072, China, People's Republic of
Zhufeng Yue
Affiliation:
[email protected], Northwestern Polytechnical University, School of Mechanics, Civil Engineering and Architecture, Xi'an, 710072, China, People's Republic of
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Abstract

In general, the method of obtaining residual stress from indentation test requires calculating the contact area of indenter and indented material, and also needs to know yield stress of indented material in advance. In this work, the dimensional analysis of indentation loading curve was first analyzed, and then a reverse numerical procedure was explored to show a possibility of determining residual stress and yield stress of materials simultaneously from indentation test. Besides, the calculation of contact area can be also avoided.

Keywords

simulationhardnessmetal
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1049: Symposium AA – Fundamentals of Nanoindentation and Nanotribology IV , 2007 , 1049-AA06-08
Copyright
Copyright © Materials Research Society 2008

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