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利用Gleeble-1500热应力-应变模拟机研究了铌含量、热变形参数(终轧温度和卷取温度)对相变诱发塑性(TRIP)钢组织和性能的影响.实验结果表明:不含铌实验钢的残余奥氏体量、残余奥氏体相中的碳含量、宏观维氏硬度和抗拉强度与常规低碳硅锰系TRIP钢的水平相当;增加铌含量,残余奥氏体量和残余奥氏体相中的碳含量有所下降,而宏观维氏硬度和抗拉强度提高;铌含量为0.014%、终轧温度为780℃、卷取温度为400℃时,残余奥氏体量、残余奥氏体相中的碳含量与宏观维氏硬度和抗拉强度具有最佳组合.

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