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Journal of Materials Science

, Volume 31, Issue 8, pp 2071–2080 | Cite as

Fatigue behaviour in a plastic strain-controlled mode of an austenitic stainless steel treated by explosive

  • M. Gerland
  • J. P. Dufour
  • L. Fouilland-Paillé
  • P. Violan
  • H. N. Presles
  • J. Mendez
Article

Abstract

A surface-treatment technique using primary explosive was applied to a 316L type stainless steel. Some characterizations of the induced mechanical or metallurgical effects are given such as surface roughness, microhardness, residual stresses, microstructure. Fatigue tests were performed in tension-compression in the plastic strain-controlled mode with amplitudes in the range 10−3 to 5×10−3. The cyclic behaviour of the treated samples is characterized by a higher cyclic stress amplitude than the untreated material and a shorter fatigue life. The surface damage has been analysed by counting the secondary microcracks after failure. The cyclic behaviour and the damage are discussed taking into account the different induced effects and assuming the treated material to be a composite one, with a highly strengthened surface layer and a quasi-untreated bulk

Keywords

Fatigue Residual Stress Explosive Fatigue Life Austenitic Stainless Steel 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1996

Authors and Affiliations

  • M. Gerland
    • 1
  • J. P. Dufour
    • 1
  • L. Fouilland-Paillé
    • 1
  • P. Violan
    • 1
  • H. N. Presles
    • 1
    • 2
  • J. Mendez
    • 1
  1. 1.Laboratoire de Mécanique et Physique des MatériauxURA CNRS 863France
  2. 2.Laboratoire de Combustion et Détonique UPR CNRS 9028ENSMAFuturoscope CedexFrance

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