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X-ray Fractographic Approach to Fracture Toughness of AISI 4340 Steel

Published online by Cambridge University Press:  06 March 2019

Yukio Hirose ,
Zenjiro Yajima  and
Keisuke Tanaka
Yukio Hirose
Affiliation:
Faculty of Education, Kanazawa University 1-1 Marunouchi, Kanazawa 920, Japan
Zenjiro Yajima
Affiliation:
Faculty of Engineering, Kanazawa Institute of Technology 7-1 Oogigaoka, NonoichiKanazawa 921, Japan
Keisuke Tanaka
Affiliation:
Faculty of Engineering, Kyoto University Yoshida Honmachi, Sakyo-kuKyoto 606, Japan
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Extract

X-ray diffraction observation of the material internal structure beneath fracture surfaces provide fracture analysists with useful information to investigate the conditions and mechanisms of fracture. X-ray fractography is a generic name given to this technique. In the present study, the residual stress on the fracture surface of the compact tension specimens for toughness tests was measured by X-ray diffraction. The effects of notch-tip radius and tempering temperature on the fracture toughness are discussed based on the results of X-ray fractography and fracture micromechanisms.

Type
VIII. X-Ray Strain and Stress Determination
Information
Advances in X-Ray Analysis , Volume 28: Thirty-Third Annual Conference on Applications of X-ray Analysis, July 30 - August 3, 1984 , 1984 , pp. 289 - 296
Copyright
Copyright © International Centre for Diffraction Data 1984

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References

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