Determination of Nonuniform Residual Stresses Using the Ring-Core Method

[+] Author and Article Information
A. Ajovalasit, G. Petrucci, B. Zuccarello

Department of Mechanics and Aeronautics, University of Palermo, Viale delle Scienze, 90128 Palermo, Italy

J. Eng. Mater. Technol 118(2), 224-228 (Apr 01, 1996) (5 pages) doi:10.1115/1.2804891 History: Received July 25, 1994; Revised June 04, 1995; Online November 27, 2007


This paper considers residual stress analysis using the ring-core method. In particular, the so-called integral equation method is applied to evaluate nonuniform residual stress fields. The proposed method overcomes typical drawbacks of the incremental strain method which lead to incorrect results for strongly varying stress fields. The experimental results obtained with a specimen subjected to a bending load confirm the theoretical predictions.

Copyright © 1996 by The American Society of Mechanical Engineers
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