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X-ray Residual Stress Analysis of Zn-Ni Alloy Electroplating Layers

Published online by Cambridge University Press:  06 March 2019

Toshihiko Sasaki ,
Makoto Kuramoto  and
Yasuo Yoshioka
Toshihiko Sasaki
Affiliation:
The Institute of Vocational Training Kanagawa, Japan
Makoto Kuramoto
Affiliation:
The Institute of Vocational Training Kanagawa, Japan
Yasuo Yoshioka
Affiliation:
Musashi Institute of Technology Tokyo, Japan
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Extract

Zn-Ni-alloy electroplated steels are one of the surface-treated materials with a high corrosion resistance and are mostly used for automobiles. It is said that the corrosion resistance is more than four times as great as that of Zn-plated steels. Concerning x-ray stress measurement, Kyono et al reported the result of measurement on y (552) planes and showed that the sin2φ diagram was severely curved.

X-ray stress analysis in surface-treated materials will become more important. Some problems, however, remain to be studied when we apply the x-ray method to thin layers. For example, the effective x-ray penetration depth may be different from that in ordinary materials. And complex gradients of stresses and compositions may exist.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 33: Thirty-Eighth Annual Conference on Applications of X-ray Analysis, July 31 - August 4, 1989 , 1989 , pp. 171 - 175
Copyright
Copyright © International Centre for Diffraction Data 1989

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References

(1) Yamato, K., Honjo, T., Ichida, T., Ishitobi, H. and Kawai, M., Technical Report of Kawasaki Steel, 16, 72 (1984).Google Scholar
(2) Kyono, K., Yamato, K. and Katayama, M., The 24th Symposium on X-Ray Studies on Mechanical Behavior of Materials, (1987), p. 31.Google Scholar
(3) Karachi, M. and Fujiwara, K., Trans. JIM. 11, 311 (1970).Google Scholar