TRIP钢板在单向拉伸变形下的相变行为研究

材料科学与工艺, 2004, 12(4): 433-435. doi: 10.3969/j.issn.1005-0299.2004.04.026

TRIP钢板在单向拉伸变形下的相变行为研究

余海燕 ^1, , 林忠钦 ^2, , 李淑慧 ^3, , 陈关龙 ^4,

1.上海交通大学,机械学院,上海,200030

2.上海交通大学,机械学院,上海,200030

3.上海交通大学,机械学院,上海,200030

4.上海交通大学,机械学院,上海,200030

关键词：相变诱发塑性(TRIP) , 单向拉伸 , 残余奥氏体 , 相变行为 , 试验研究

Investigation on forming response of TRIP sheet steels in uniaxial tension

TRIP钢的塑性取决于残余奥氏体的含量及其相变速度.研究TRIP钢中残余奥氏体在单向拉伸变形下的相变行为,首先回顾了TRIP钢板的研究进展,然后对一种低碳硅锰系TRIP700钢板在单向拉伸变形下的力学性能和相变性能进行了试验研究,并用扫描电镜方法分析了该TRIP钢在变形过程中微观组织的变化.结果表明,该低碳硅锰系TRIP钢板兼有高强度和高韧性的特点,在单向拉伸变形中残余奥氏体的含量与等效应变的关系可用来logfγ0-logγ=kε.表示.

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TRIP钢板在单向拉伸变形下的相变行为研究

Investigation on forming response of TRIP sheet steels in uniaxial tension

参考文献