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Proceedings Paper

Magnetic And X-Ray Methods Of Stress Measurement On Large Components
Author(s): D. Lonsdale; P. Doig; G. T. Jones
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Paper Abstract

Integrity assessment of electrical power generating plant requires a knowledge of both operating and residual stresses. For the more highly stressed components the commonly used mechanical methods of measurement, based on the observed strain changes when stressed material is removed, must be regarded as destructive and other, non-destructive techniques have to be used. Within the CEGB two non-destructive methods, based on X-ray diffraction and magnetic Barkhausen noise measurements, are employed. This paper describes the basis of these two techniques and gives two examples of their application to stress measurement on large components.

Paper Details

Date Published: 31 July 1989
PDF: 8 pages
Proc. SPIE 1084, Stress and Vibration: Recent Developments in Industrial Measurement and Analysis, (31 July 1989); doi: 10.1117/12.952902
Show Author Affiliations
D. Lonsdale, Central Electricity Generating Board (U.K.)
P. Doig, Central Electricity Generating Board (U.K.)
G. T. Jones, Electricity Supply Board (Ireland)

Published in SPIE Proceedings Vol. 1084:
Stress and Vibration: Recent Developments in Industrial Measurement and Analysis
Peter Stanley, Editor(s)

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