Fatigue characteristics of low carbon steel in hydrogen gas environment

Hiroshi Noguchi; Yasuji Oda

doi:10.4028/0-87849-440-5.1051

Fatigue characteristics of low carbon steel in hydrogen gas environment

Hiroshi Noguchi, Yasuji Oda

Strength of materials

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

2 Citations (Scopus)

Abstract

In order to investigate the effect of hydrogen environment on fatigue crack growth characteristics of a low carbon steel JIS S10C, fatigue crack growth tests were conducted in a low pressure hydrogen gas environment. Fatigue crack growth rate in hygragen gas is higher than that in nitrogen gas. It seems that a crack in the range of low growth rate prefers to propagate along the grain boundaries under hydrogen environment while in the range of high growth across the grains accompanied by brittle striation patterns or river patterns. It is important to clarify how hydrogen affects the crack growth behavior of different stages of crack growth.

Original language	English
Pages (from-to)	1051-1054
Number of pages	4
Journal	Key Engineering Materials
Volume	345-346 II
DOIs	https://doi.org/10.4028/0-87849-440-5.1051
Publication status	Published - Jan 1 2007

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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AB - In order to investigate the effect of hydrogen environment on fatigue crack growth characteristics of a low carbon steel JIS S10C, fatigue crack growth tests were conducted in a low pressure hydrogen gas environment. Fatigue crack growth rate in hygragen gas is higher than that in nitrogen gas. It seems that a crack in the range of low growth rate prefers to propagate along the grain boundaries under hydrogen environment while in the range of high growth across the grains accompanied by brittle striation patterns or river patterns. It is important to clarify how hydrogen affects the crack growth behavior of different stages of crack growth.

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