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RESEARCH PAPERS

X-Ray Diffraction Measurement of Residual Stresses in Thick, Multi-Pass Steel Weldments

[+] Author and Article Information
C. O. Ruud, R. N. Pangborn, P. S. DiMascio, D. J. Snoha

The Pennsylvania State University, Materials Research Laboratory and Department of Engineering Science and Mechanics, University Park, Pa. 16802

J. Pressure Vessel Technol 107(2), 185-191 (May 01, 1985) (7 pages) doi:10.1115/1.3264432 History: Received July 10, 1984; Revised December 11, 1984; Online November 05, 2009

Abstract

A unique X-ray diffraction instrument for residual stress measurement has been developed that provides for speed, ease of measurement, accuracy, and economy of surface stress measurement. Application of this instrument with a material removal technique, e.g., electropolishing, has facilitated detailed, high resolution studies of three-dimensional stress fields. This paper describes the instrumentation and techniques applied to conduct the residual stress measurement and presents maps of the residual stress data obtained for the surfaces of a heavy 2 1/4 Cr 1 Mo steel plate weldment.

Copyright © 1985 by ASME
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