Paper Title:
An Indentation Method Based on FEA for Equi-Biaxial Residual Stress Evaluation
  Abstract

An indentation method to determine equi-biaxial residual stress is proposed by examining the data from the incremental plasticity theory based FE analyses. We found that hardness is strongly dependent of the magnitude and sign of residual stress and material properties. We then selected some normalized parameters minimally affected by material properties and tip radius. With numerical regressions of the data obtained, we proposed new formulae for residual stress evaluation. The new approach provides a substantial enhancement in accuracy compared with the prior methods.

  Info
Periodical
Key Engineering Materials (Volumes 326-328)
Edited by
Soon-Bok Lee and Yun-Jae Kim
Pages
481-486
DOI
10.4028/www.scientific.net/KEM.326-328.481
Citation
J. H. Lee, H. Y. Lee, "An Indentation Method Based on FEA for Equi-Biaxial Residual Stress Evaluation", Key Engineering Materials, Vols. 326-328, pp. 481-486, 2006
Online since
December 2006
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