Review of Hydrogen Embrittlement in Metals: Hydrogen Diffusion, Hydrogen Characterization, Hydrogen Embrittlement Mechanism and Prevention
Xinfeng Li1,2(), Xianfeng Ma1, Jin Zhang3, Eiji Akiyama4, Yanfei Wang5(), Xiaolong Song2

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Fig.2. Hydrogen traps in the steels [39]: a interstitial sites; b surface traps; c subsurface traps; d grain boundary traps; e dislocation traps; f vacancy traps