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In situ crack growth studies of hydrided Zircaloy-4 on a single-edge notched tensile specimen

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Author

  • Axel Steuwer
  • J. E. Daniels
  • M. J. Peel

Summary, in English

The strains in matrix and hydrides around a fatigue crack tip grown in situ in a single-edge notched specimen of hydrided Zircaloy-4 have been determined using synchrotron X-ray diffraction at various stages of loading. The hydride phase shows proportionally larger strains at full load compared to the matrix strain. The residual strains of the matrix ahead of the crack tip reveal the reverse plastic zone for a crack grown in tension, while the hydride residual strains remain strongly tensile. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Publishing year

2009

Language

English

Pages

431-433

Publication/Series

Scripta Materialia

Volume

61

Issue

4

Document type

Journal article

Publisher

Elsevier

Topic

  • Natural Sciences
  • Physical Sciences

Keywords

  • Zirconium
  • Fatigue
  • X-ray diffraction (XRD)
  • Hydrides

Status

Published

ISBN/ISSN/Other

  • ISSN: 1872-8456