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Fe74 5Ni1oSi3 5B9C2非晶带在恒载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In Co上升成线性下降,即σHIC/σF=1.59-0.35 In Co;当Co>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σHIC/σF值.

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