Magnetic And X-Ray Methods Of Stress Measurement On Large Components

D. Lonsdale; P. Doig; G. T. Jones

doi:10.1117/12.952902

31 July 1989 Magnetic And X-Ray Methods Of Stress Measurement On Large Components

D. Lonsdale, P. Doig, G. T. Jones

Proceedings Volume 1084, Stress and Vibration: Recent Developments in Industrial Measurement and Analysis; (1989) https://doi.org/10.1117/12.952902
Event: Sira/Stress and Vibration: Recent Developments in Measurement and Analysis, 1989, London, United Kingdom

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.

Citation Download Citation

D. Lonsdale, P. Doig, and G. T. Jones "Magnetic And X-Ray Methods Of Stress Measurement On Large Components", Proc. SPIE 1084, Stress and Vibration: Recent Developments in Industrial Measurement and Analysis, (31 July 1989); https://doi.org/10.1117/12.952902

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