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RESEARCH PAPERS

A Method for Determining Residual Stresses in Pipes

[+] Author and Article Information
C. H. Popelar

Department of Engineering Mechanics, The Ohio State University, Columbus, Ohio 43210

T. Barber

Battelle-Columbus Laboratories, Columbus, Ohio 43201

J. Groom

Grumman Flxible Corporation, Delaware, Ohio 43015

J. Pressure Vessel Technol 104(3), 223-228 (Aug 01, 1982) (6 pages) doi:10.1115/1.3264208 History: Received April 15, 1982; Online November 05, 2009

Abstract

A combined analytical and experimental method for inferring the residual stresses in a pipe formed by joining two sections with a girth butt weld is described. The relieved surface strains due to cutting the pipe in two are measured and fitted in a least-square sense to the strains predicted by an analysis of the sectioned pipes. This permits a prediction of the through-thickness distribution of the residual longitudinal normal and radial shear stresses at the site of the cut. The procedure is used to infer the residual stress distribution due to last-pass-heat-sink welding of two sections of 16-in- (400-mm-) dia pipe.

Copyright © 1982 by ASME
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