Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Some Properties of Platelike Carbides Generated by the Rolling Contact Fatigue
Kazuichi TSUBOTA
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1983 Volume 69 Issue 7 Pages 853-860

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Abstract

A study has been made on the characteristics of the platelike carbides formed under the rolling track during the thrust type rolling fatigue tests. By EPME analysis, chemical shift measurements by EPMA of C-K bands, and electron microscope observations, the platelike carbides are found to be cementites and ε carbides formed independently at a ratio of 1 to 1.
EPMA analysis shows that concentrations of Mn and Cr in the platelike carbides are the same as in the matrix. The platelike carbides, cementites or εs carbides, are etched dark by alkaline sodium picrate in similar tone. When heated to 800°C, the platelike carbides dissolve into the matrix as the spheroidized cementites do.

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© The Iron and Steel Institute of Japan
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