Paper Title:
Experimental Verification of the Hole Drilling Plasticity Effect Correction
  Abstract

The Hole Drilling Method introduces a hole in a (residual) stressed volume of material, typically a metal, then a stress concentration follows. A portion of the volume near the hole can experience a stress concentration and then plasticity. The relaxed strains measured by the rosette strain gage grids are then affected by this plasticity volume especially when the residual stress is quite large with respect to the material yield stress. This is the so called Hole Drilling Plasticity Effect. The authors recently proposed a numerical procedure to correct this perturbation effect and retrieve more accurate residual stress components values. An experimental validation of this correction procedure is reported in the paper.

  Info
Periodical
Edited by
Paolo Scardi and Cristy L. Azanza Ricardo
Pages
151-158
DOI
10.4028/www.scientific.net/MSF.681.151
Citation
M. Beghini, C. Santus, E. Valentini, A. Benincasa, "Experimental Verification of the Hole Drilling Plasticity Effect Correction", Materials Science Forum, Vol. 681, pp. 151-158, 2011
Online since
March 2011
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