X-Ray Fractographic Study On Fracture of a Machine Part

  • Kazuyuki Matsui
  • Yukio Hirose
  • Akiyoshi Chadani
  • Keisuke Tanaka

Abstract

The X-ray fractographic technique was applied to an actual fracture incident for a machine part made of a low-alloy steel. The distribution of the residual stress was measured on and beneath the fracture surface by the X-ray method. The plastic zone size was determind from the distribution of the residual stress near the fracture surface and was used to estimate the maximum stress intensity factor Kmax at fracture by using the relation between the plastic zone size and K,“ax obtained in laboratory tests.

Keywords

Residual Stress Fracture Surface Stress Intensity Factor Machine Part Nodular Cast Iron 
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References

  1. 1.
    Y. Hirose, Z. Yajima and K. Tanaka, X-Ray Fractographic Approach to Fracture Toughness of AISI 4340 Steel, Advances in X-Ray Analysis,28, 289–296 (1985).CrossRefGoogle Scholar
  2. 2.
    Y. Hirose, Z. Yajima and K. Tanaka, X-Ray Examination of Fatigue Surfaces of Nodular Cast Iron, Mechanical Behavior of Materials-V, 1, 551–558 (1987).Google Scholar
  3. 3.
    Y.Murakami, Stress Intensity Factor Equations for a Semi-Elliptical Surface Crack in a Shaft under Bending, Stress Intensity Factors Handbook, Soc. Mater. Sci. Japan, (1986).Google Scholar

Copyright information

© Elsevier Science Publishers Ltd 1989

Authors and Affiliations

  • Kazuyuki Matsui
    • 1
  • Yukio Hirose
    • 2
  • Akiyoshi Chadani
    • 2
  • Keisuke Tanaka
    • 3
  1. 1.Ishikawa Seisakusho, LTDKanazawaJapan
  2. 2.Department of Materials ScienceKanazawa UniversityKanazawaJapan
  3. 3.Department of Engineering ScienceKyoto UniversityKyotoJapan

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