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金属学报  2002 

Fe74.5Ni10Si3.5B9C2非晶带的氢致滞后断裂

, PP. 91-94

Keywords: Fe74.5Ni10Si3.5B9C2,非晶合金

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Abstract:

Fe74.5Ni10Si3.5B9C2非晶带在恒截荷动态充氢时能发生氢致滞后断裂,测量了不同充氢电流密度i下的氢致滞后断裂归一化门槛应力σHIC/σF,以及进入试样的氢浓度Co,结果表明,当Co≤67.4×10^-4%时,σHIC/σF随lnCO上升成线性下降,即σHIC/σF=1.59-0.35lnCo,当C0>67.4×10^-4%后,σHIC/σF≤0.1,由于实验精度的限制无法测出真实的σFIC/σF值.

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