Paper Title:
Residual Stress Estimation with Identification of Stress Directionality Using Instrumented Indentation Technique
  Abstract

The instrumented indentation technique (IIT) has recently attracted significant research interest because it is nondestructive and easy to perform, and can characterize materials on local scales. Residual stress can be determined by analyzing the indentation load-depth curve from IIT. However, this technique using a symmetric indenter is limited to an equibiaxial residual stress state. In this study, we determine the directionality of the non-equibiaxial residual stress by using the Knoop indentation technique. Different indentation load-depth curves are obtained at nonequibiaxial residual stresses depending on the Knoop indentation direction. A model for Knoop indentation was developed through experiments and theoretical analysis.

  Info
Periodical
Key Engineering Materials (Volumes 345-346)
Edited by
S.W. Nam, Y.W. Chang, S.B. Lee and N.J. Kim
Pages
1125-1128
DOI
10.4028/www.scientific.net/KEM.345-346.1125
Citation
J. H. Han, J. S. Lee, Y. H. Lee, M. J. Choi, G. J. Lee, K. H. Kim, D. I. Kwon, "Residual Stress Estimation with Identification of Stress Directionality Using Instrumented Indentation Technique ", Key Engineering Materials, Vols. 345-346, pp. 1125-1128, 2007
Online since
August 2007
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Price
$32.00
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