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A Method for X-ray Stress Analysis of Thin Films and Its Application to Zinc-Nickel-Alloy Electroplated Steel

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 used for the parts of automob iles because of their high corrosion resistance. in the x-ray stress measurement of this material, some unique experimental results were observed: (i) The sin2Φ diagrams were severely curved, and (ii) the influence of the wave length of x-ray radiations upon the shape of the d-sin2Φ diagram was very slight. As no strong texture or the gradients of composition were observed in this material, the above experimental results suggested the existence of steep stress gradients in the direction of depth, and a theoretical problem on the difference in the effective penetration depth of x-rays and the weighted mean of the lattice strain between thin films and ordinary thick materials.

Type
XII. Analysis of Stress and Fracture by Diffraction Methods
Information
Advances in X-Ray Analysis , Volume 34: Thirty-Ninth Annual Conference on Applications of X-ray Analysis, July 30 - August 3, 1990 , 1990 , pp. 699 - 709
Copyright
Copyright © International Centre for Diffraction Data 1990

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