Fatigue Process of SUS 304 Under Water Cooling

Hironobu Nisitani, Hiroshi Noguchi, Shin Ichi Nishida, Kazuhiko Yamaguchi

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Abstract

In this paper, rotating bending fatigue tests were carried out on plain specimens of austenitic stainless steel SUS 304 under water cooling. The processes of nucleation and propagation of cracks were clarified by successive surface observations using the plastic replica method. The main results obtained are as follows. (1) Fatigue cracks are nucleated in very small regions. (2) The fatigue crack growth rate is proportional to the crack length in a limited range. (3) I he fatigue limit corresponds to the crack initiation limit.

Original languageEnglish
Pages (from-to)1067-1073
Number of pages7
JournalTransactions of the Japan Society of Mechanical Engineers Series A
Volume56
Issue number525
DOIs
Publication statusPublished - Jan 1 1990

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All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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