Mechanism of reduction of fretting fatigue limit caused by hydrogen gas in SUS304 austenitic stainless steel

Masanobu Kubota; Kyohei Kuwada; Yasuhiro Tanaka; Yoshiyuki Kondo

doi:10.1016/j.triboint.2010.11.004

Mechanism of reduction of fretting fatigue limit caused by hydrogen gas in SUS304 austenitic stainless steel

Masanobu Kubota, Kyohei Kuwada, Yasuhiro Tanaka, Yoshiyuki Kondo

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

10 Citations (Scopus)

Abstract

The fretting fatigue strength of pre-strained SUS304 is reduced in hydrogen gas. The mechanism of the reduction is discussed. In hydrogen gas, local adhesion between contacting surfaces occurred and many small cracks were formed at the adhered spots. The major crack propagated from one of the small cracks. The roles of the adhesion in relation to the initiation and propagation of the small cracks were examined by a two-step environment test. When adhesion was prevented by an oxidized film, no failure of the specimen occurred. It can be presumed that the stress conditions were more severe in hydrogen gas than that in air due to local adhesion.

Original language	English
Pages (from-to)	1495-1502
Number of pages	8
Journal	Tribology International
Volume	44
Issue number	11
DOIs	https://doi.org/10.1016/j.triboint.2010.11.004
Publication status	Published - Oct 2011

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/j.triboint.2010.11.004

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title = "Mechanism of reduction of fretting fatigue limit caused by hydrogen gas in SUS304 austenitic stainless steel",

abstract = "The fretting fatigue strength of pre-strained SUS304 is reduced in hydrogen gas. The mechanism of the reduction is discussed. In hydrogen gas, local adhesion between contacting surfaces occurred and many small cracks were formed at the adhered spots. The major crack propagated from one of the small cracks. The roles of the adhesion in relation to the initiation and propagation of the small cracks were examined by a two-step environment test. When adhesion was prevented by an oxidized film, no failure of the specimen occurred. It can be presumed that the stress conditions were more severe in hydrogen gas than that in air due to local adhesion.",

author = "Masanobu Kubota and Kyohei Kuwada and Yasuhiro Tanaka and Yoshiyuki Kondo",

note = "Funding Information: This work was supported by the New Energy and Industrial Technology Development Organization (NEDO) in Japan.",

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T1 - Mechanism of reduction of fretting fatigue limit caused by hydrogen gas in SUS304 austenitic stainless steel

AU - Kubota, Masanobu

AU - Kuwada, Kyohei

AU - Tanaka, Yasuhiro

AU - Kondo, Yoshiyuki

N1 - Funding Information: This work was supported by the New Energy and Industrial Technology Development Organization (NEDO) in Japan.

PY - 2011/10

Y1 - 2011/10

N2 - The fretting fatigue strength of pre-strained SUS304 is reduced in hydrogen gas. The mechanism of the reduction is discussed. In hydrogen gas, local adhesion between contacting surfaces occurred and many small cracks were formed at the adhered spots. The major crack propagated from one of the small cracks. The roles of the adhesion in relation to the initiation and propagation of the small cracks were examined by a two-step environment test. When adhesion was prevented by an oxidized film, no failure of the specimen occurred. It can be presumed that the stress conditions were more severe in hydrogen gas than that in air due to local adhesion.

AB - The fretting fatigue strength of pre-strained SUS304 is reduced in hydrogen gas. The mechanism of the reduction is discussed. In hydrogen gas, local adhesion between contacting surfaces occurred and many small cracks were formed at the adhered spots. The major crack propagated from one of the small cracks. The roles of the adhesion in relation to the initiation and propagation of the small cracks were examined by a two-step environment test. When adhesion was prevented by an oxidized film, no failure of the specimen occurred. It can be presumed that the stress conditions were more severe in hydrogen gas than that in air due to local adhesion.

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JO - Tribology International

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Mechanism of reduction of fretting fatigue limit caused by hydrogen gas in SUS304 austenitic stainless steel

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