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Residual Stress Measurements in Inconel Alloy 600 Tubing Using an Advanced X-ray Instrument and Cr Kβ Radiation

Published online by Cambridge University Press:  06 March 2019

D. P. Ivkovich ,
C. O. Ruud  and
D. J. Snoha
D. P. Ivkovich
Affiliation:
Materials Research Laboratory The Pennsylvania State University University Park, PA 16802
C. O. Ruud
Affiliation:
Materials Research Laboratory The Pennsylvania State University University Park, PA 16802
D. J. Snoha
Affiliation:
Materials Research Laboratory The Pennsylvania State University University Park, PA 16802
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Extract

Residual stresses in an inconel alloy 600 U-bend tube, used in heat exchangers in nuclear reactors, were studied using an advanced x-ray instrument developed at The Pennsylvania State University. The work funded by the Electric Power Research Institute (EPRI) mapped both the axial and circumferential (hoop) stresses on the outside surface of the tube. The residual stresses, inherent in the fabrication of the U-bend tubes, are a major contributor to stress corrosion cracking.

Type
VIII. X-Ray Strain and Stress Determination
Information
Advances in X-Ray Analysis , Volume 28: Thirty-Third Annual Conference on Applications of X-ray Analysis, July 30 - August 3, 1984 , 1984 , pp. 275 - 279
Copyright
Copyright © International Centre for Diffraction Data 1984

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References

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3. Shiraiwa, T., and Sakamoto, Y., “X-Ray Stress Measurement and Its Application to Steel,” The Sumitomo Search, May 1972.Google Scholar
4. Prevey, P.S., “A Method of Determining the Elastic Properties of Alloys in Selected Crystallographic Directions for X-Ray Diffraction Residual Stress Measurements,” Adv. in X-Ray Anal. 20, 345–354, 1977.Google Scholar