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Effect of Hydrogen on Fatigue Strength of High‐Strength Steels in the VHCF Regime
Author(s) -
Li Yongde,
Yang Zhenguo,
Li Shouxin,
Liu Yangbo,
Chen Shuming,
Hui Weijun,
Weng Yuqing
Publication year - 2009
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.200800422
Subject(s) - materials science , fatigue limit , high strength steel , metallurgy , composite material , forensic engineering , engineering
Diffusible hydrogen or non‐diffusible hydrogen can decrease the fatigue strength of high‐strength steels. The hydrogen influence factor f (C) describes the hydrogen damage level of fatigue strength. Fatigue strength decreases with increasing non‐diffusible hydrogen content in the range 1 ppm < C i < 3.0 ppm. Fatigue strength decreases significantly with increasing diffusible hydrogen content in the range 1 ppm < C r < 3.0 ppm, but shows almost no obvious change in the range 3.0 ppm < C r < 10.0 ppm.