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Strain Profiling of a Ferritic-Martensitic Stainless Steel Sheet - Comparing Synchrotron with Conventional X-Ray Diffraction

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Author

  • C. -O. A. Olsson
  • M. Bostrom
  • T. Buslaps
  • Axel Steuwer

Summary, in English

To improve the fatigue resistance of stainless steel sheet, it is a common practice to induce compressive residual stress in the surface through shot-peening or tumbling. Stress depth profiles obtained by tumbling of thin stainless steel tensile rods were analysed using laboratory and synchrotron X-Ray Diffraction (XRD). Both the non-destructive synchrotron and the laboratory XRD etch-depth profile gave similar results: a residual stress profile decaying over a depth not exceeding 50 mu m into the material.

Department/s

Publishing year

2015

Language

English

Pages

71-77

Publication/Series

Strain

Volume

51

Issue

1

Document type

Journal article

Publisher

Wiley-Blackwell

Topic

  • Physical Sciences
  • Natural Sciences

Keywords

  • stainless steel
  • stress profile
  • synchrotron
  • tumbling

Status

Published

ISBN/ISSN/Other

  • ISSN: 0039-2103