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Scaling Relationships in Conical Indentation in Elastic-Plastic Solids with Work-Hardening

Published online by Cambridge University Press:  10 February 2011

Yang-Tse Cheng  and
Che-Min Cheng
Yang-Tse Cheng
Affiliation:
Physics and Physical Chemistry Department, General Motors Global Research and Development Operations, Warren, Michigan 48090, USA, [email protected]
Che-Min Cheng
Affiliation:
Laboratory for Non-Linear Mechanics of Continuous Media, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China, [email protected]
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Abstract

We derive, using dimensional analysis and finite element calculations, several scaling relationships for conical indentation in elastic-plastic solids with work-hardening. Using these scaling relationships, we examine the relationships between hardness, contact area, and mechanical properties of solids. The scaling relationships also provide new insights into the shape of indentation curves and form the basis for understanding indentation measurements, including nano- and micro-indentation techniques. They may also be helpful as a guide to numerical and finite element calculations of indentation problems.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 522: Symposium T – Fundamentals of Nanoindentation & Nanotribology , 1998 , 139
Copyright
Copyright © Materials Research Society 1998

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