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X-Ray Fractography On Fatigue Fracture Surfaces of Aisi 4340 Steel*

Published online by Cambridge University Press:  06 March 2019

Yukio Hirose ,
Zenjlro Yajima  and
Toshio Mura
Yukio Hirose
Affiliation:
On leave from Kanazawa University, Japan Department of Civil Engineering and Material Research Center, Northwestern University, Evanston ILL., 60201, U.S.A.
Zenjlro Yajima
Affiliation:
On leave from Kanazawa University, Japan Department of Civil Engineering and Material Research Center, Northwestern University, Evanston ILL., 60201, U.S.A. On leave from Kanazawa Institute of Technology, Japan
Toshio Mura
Affiliation:
On leave from Kanazawa University, Japan Department of Civil Engineering and Material Research Center, Northwestern University, Evanston ILL., 60201, U.S.A.
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Extract

The X-ray fractographic technique was applied to fatigue fracture surfaces of tempered AISI 4340 steel. Residual stresses and half-value breadths were measured by the X-ray diffraction.

In the present paper, the residual stresses and plastic strains on fatigue fracture surfaces and some parameters in the fracture mechanics were investigated. A simple model of mechanics was proposed to explain these experimental results.

Information

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 29: Thirty-Fourth Annual Conference on Applications of X-ray Analysis, August 5-9, 1985 , 1985 , pp. 63 - 70
Copyright
Copyright © International Centre for Diffraction Data 1985

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Footnotes

*

This work was supported by NSF-MRL Grant DMR-8216972 and partly by U.S. Army Research Grant DAAG-29-85-K-0134.

References

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