对Fe-18Mn-0.8C及Fe-18Mn-0.8C-0.2V TWIP钢进行电解充氢,研究和比较了氢致滞后断裂性能及断口形貌的变化与规律,并讨论了钒对提高TWIP钢抗氢脆性能的作用.结果显示:随着电解充氢时间的延长,两种试验钢力学性能损失率均增大,钒元素的增加提高了TWIP钢抵抗氢脆的能力,以实验电流密度充氢后的TWIP钢经放氢处理后,断后延伸率及抗拉强度基本恢复.
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