Journal of the Society of Materials Science, Japan
Online ISSN : 1880-7488
Print ISSN : 0514-5163
ISSN-L : 0514-5163
A Residual Stress Model for X-Ray Fractography on the Fatigue Fractured Surface
Koichi AKITAShotaro KODAMAHiroshi MISAWAShogo TOBE
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1991 Volume 40 Issue 454 Pages 804-810

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Abstract

Fatigue tests have been carried out under a constant load, decreasing load, constant stress intensity factor range and constant effective stress intensity factor range, using a Ni-Cr-Mo steel, JIS SNCM439. The residual stress and the half value breadth were measured on the fractured surface, and their correlations with stress intensity factors were investigated. Based on the experimental results, a model for residual stress development was proposed, which can predict the residual stress distribution on the fatigue fractured surface in X-ray fractography.

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