Effects of Hydrogen Gas Environment on the Fatigue Strength at 107 cycles in the Plain Specimens of Type 316L Stainless Steel (A Report Focusing on the Behavior of Micro Fatigue Crack)

Kyohei Kawamoto; Kazuhiko Ochi; Yasuji Oda; Hiroshi Noguchi

doi:10.1299/kikaia.73.1343

Effects of Hydrogen Gas Environment on the Fatigue Strength at 10⁷ cycles in the Plain Specimens of Type 316L Stainless Steel (A Report Focusing on the Behavior of Micro Fatigue Crack)

Kyohei Kawamoto, Kazuhiko Ochi, Yasuji Oda, Hiroshi Noguchi

Strength of materials

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

In order to investigate the hydrogen effect on the fatigue strength at 10⁷ cycles of type 316L stainless steel, the rotating bending fatigue tests in atmospheric air and the plane bending fatigue tests in 1 MPa dry hydrogen gas and in air were carried out. The observed fatigue behavior showed that the fatigue strength at 10⁷ cycles in both environments is determined by the non-propagation of fatigue crack of the order of the grain size. And, the strength at 10⁷ cycles in hydrogen is slightly higher than that in air. In the region of long fatigue life, the fatigue life in hydrogen is longer than that in air, which is mainly caused by the longer crack initiation life in hydrogen. The crack propagation life in hydrogen is shorter than that in air, but has only a small ratio to the fatigue life in this region.

Original language	English
Pages (from-to)	1343-1350
Number of pages	8
Journal	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	73
Issue number	736
DOIs	https://doi.org/10.1299/kikaia.73.1343
Publication status	Published - 2007

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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Kawamoto, K., Ochi, K., Oda, Y., & Noguchi, H. (2007). Effects of Hydrogen Gas Environment on the Fatigue Strength at 10⁷ cycles in the Plain Specimens of Type 316L Stainless Steel (A Report Focusing on the Behavior of Micro Fatigue Crack). Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 73(736), 1343-1350. https://doi.org/10.1299/kikaia.73.1343

Effects of Hydrogen Gas Environment on the Fatigue Strength at 10⁷ cycles in the Plain Specimens of Type 316L Stainless Steel (A Report Focusing on the Behavior of Micro Fatigue Crack). / Kawamoto, Kyohei; Ochi, Kazuhiko; Oda, Yasuji; Noguchi, Hiroshi.

In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 73, No. 736, 2007, p. 1343-1350.

Research output: Contribution to journal › Article › peer-review

Kawamoto, K, Ochi, K, Oda, Y & Noguchi, H 2007, 'Effects of Hydrogen Gas Environment on the Fatigue Strength at 10⁷ cycles in the Plain Specimens of Type 316L Stainless Steel (A Report Focusing on the Behavior of Micro Fatigue Crack)', Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, vol. 73, no. 736, pp. 1343-1350. https://doi.org/10.1299/kikaia.73.1343

Kawamoto K, Ochi K, Oda Y, Noguchi H. Effects of Hydrogen Gas Environment on the Fatigue Strength at 10⁷ cycles in the Plain Specimens of Type 316L Stainless Steel (A Report Focusing on the Behavior of Micro Fatigue Crack). Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 2007;73(736):1343-1350. https://doi.org/10.1299/kikaia.73.1343

Kawamoto, Kyohei ; Ochi, Kazuhiko ; Oda, Yasuji ; Noguchi, Hiroshi. / Effects of Hydrogen Gas Environment on the Fatigue Strength at 10⁷ cycles in the Plain Specimens of Type 316L Stainless Steel (A Report Focusing on the Behavior of Micro Fatigue Crack). In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A. 2007 ; Vol. 73, No. 736. pp. 1343-1350.

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abstract = "In order to investigate the hydrogen effect on the fatigue strength at 107 cycles of type 316L stainless steel, the rotating bending fatigue tests in atmospheric air and the plane bending fatigue tests in 1 MPa dry hydrogen gas and in air were carried out. The observed fatigue behavior showed that the fatigue strength at 107 cycles in both environments is determined by the non-propagation of fatigue crack of the order of the grain size. And, the strength at 107 cycles in hydrogen is slightly higher than that in air. In the region of long fatigue life, the fatigue life in hydrogen is longer than that in air, which is mainly caused by the longer crack initiation life in hydrogen. The crack propagation life in hydrogen is shorter than that in air, but has only a small ratio to the fatigue life in this region.",

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