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RESEARCH PAPERS

New Measuring Method of Axisymmetric Three-Dimensional Residual Stresses Using Inherent Strains as Parameters

[+] Author and Article Information
Yukio Ueda, Keiji Fukuda, You Chul Kim

Welding Research Institute of Osaka University, 11-1, Mihogaoka, Ibaraki, Okasa 567, Japan

J. Eng. Mater. Technol 108(4), 328-334 (Oct 01, 1986) (7 pages) doi:10.1115/1.3225890 History: Received September 17, 1984; Online September 15, 2009

Abstract

For the measurement of axisymmetric three-dimensional residual stresses, Sachs’ method is often used. The accuracy of this method is not high when even small errors are contained in observed strains. In 1975, the authors presented a new approach for the measurement of residual stresses in which inherent strains (the source of residual stresses) are dealt with as parameters and formulated a basic theory using the finite element method. In this paper, based on the new approach, a basic theory for the measurement of axisymmetric three-dimensional residual stresses is developed and a practical procedure of measurement is presented. This method is applied to determine the residual stresses in a quenched shaft and its reliability and practicability are also demonstrated.

Copyright © 1986 by ASME
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