Vol. 7, No. 10, 2012

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ISSN: 1559-3959
Indentation and residual stress in the axially symmetric elastoplastic contact problem

Tian-hu Hao

Vol. 7 (2012), No. 10, 887–898
Abstract

Most theoretical studies of mechanical indention, going back to Boussinesq, Hertz, and later Sneddon, address the relations between indenter pressure, indention size, and stress components. However, the relationship between indention and residual stress is also interesting. Here we use the Dorris and Nemat-Nasser method to derive a relation between the indention and the residual stress components for an axisymmetric load.

Keywords
elastoplastic contact problem, unloading, residual plastic deformation
Milestones
Received: 19 September 2011
Revised: 5 October 2012
Accepted: 16 October 2012
Published: 1 March 2013
Authors
Tian-hu Hao
State Key Lab for Modification of Polymer Materials and Chemical Fibers
Donghua University
P.O. Box 220
Shanghai, 200051
China