Determination of Sub-Surface Distributions of Residual Stresses by a Holographic-Hole Drilling Technique

[+] Author and Article Information
A. Makino, D. V. Nelson

Department of Mechanical Engineering, Stanford University, Stanford, CA 94305-4021

J. Eng. Mater. Technol 119(1), 95-103 (Jan 01, 1997) (9 pages) doi:10.1115/1.2805981 History: Received October 07, 1995; Revised August 04, 1996; Online December 05, 2007


A method is described for combining incremental hole drilling with holographic interferometry to determine the distribution of in-plane residual stresses as a function of depth below the surface. The computational foundation of the method is summarized. Results of experiments to check the ability of the method to determine two different sub-surface stress distributions are given. Utilizing the same hologram, the feasibility of obtaining results at greater depths by drilling a large hole directly over a preceding smaller one is demonstrated.

Copyright © 1997 by The American Society of Mechanical Engineers
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