Low pressure hydrogen gas effect on extremely low fatigue crack growth from small blind holes of SUS304 and SUS316L

Yasuji Oda, Hiroyuki Matsuno, Hide Aki Nishikawa, Hiroshi Noguchi

Research output: Contribution to journalArticle

Abstract

In order to investigate the hydrogen gas effect on the fatigue limits of austenitic stainless steel SUS304 and SUS316L with small twin blind holes, metal fatigue tests are carried out in a low pressure hydrogen gas, in air and inert gases; argon or nitrogen. The fatigue limit of SUS304 is defined as the crack propagation limit not only in air but also in hydrogen and in nitrogen. And the fatigue limit of SUS304 in hydrogen gas is slightly higher than in air. The extremely low Fatigue Crack Growth Rates (FCGR) of not only SUS304 and but also SUS316L in hydrogen gas is lower than that in argon gas in the region of FCGR lower than 10-9 m/cycle. This seems to be due to plasticity-induced crack closure and supports higher fatigue limit in hydrogen.

Original languageEnglish
Pages (from-to)1309-1318
Number of pages10
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume75
Issue number758
DOIs
Publication statusPublished - Jan 1 2009

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Fatigue crack propagation
Hydrogen
Gases
Fatigue of materials
Argon
Nitrogen
Air
Noble Gases
Crack closure
Austenitic stainless steel
Inert gases
Plasticity
SUS 316L
Crack propagation
Metals

All Science Journal Classification (ASJC) codes

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

Cite this

Low pressure hydrogen gas effect on extremely low fatigue crack growth from small blind holes of SUS304 and SUS316L. / Oda, Yasuji; Matsuno, Hiroyuki; Nishikawa, Hide Aki; Noguchi, Hiroshi.

In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 75, No. 758, 01.01.2009, p. 1309-1318.

Research output: Contribution to journalArticle

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