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RESEARCH PAPERS

A New Method for Measurement of Residual Axial Stresses Applied to a Multi-Pass Butt-Welded Cylinder

[+] Author and Article Information
Weili Cheng, Iain Finnie

University of California, Berkeley, CA

J. Eng. Mater. Technol 109(4), 337-342 (Oct 01, 1987) (6 pages) doi:10.1115/1.3225986 History: Received December 23, 1986; Online September 15, 2009

Abstract

A method based on fracture mechanics solutions for a circumferential crack is used to measure the distribution of axial residual stresses in the circumferential weld between two cylinders. The case considered is a 22 pass weld and the residual stress is obtained in the form of a Legendre polynomial series. The results are in general agreement with published values for multi-pass welds on similar material. However, the present approach appears to be considerably simpler and easier to implement than existing experimental methods.

Copyright © 1987 by ASME
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