余万华,陈家龙,陈苏冬,夏强强

• 1:北京科技大学材料科学与工程学院
• 2:重庆赛迪冶炼装备系统集成工程技术研究中心有限公司

摘要(Abstract)：

在实验室模拟研究了连续退火工艺对TRIP780钢组织性能的影响。结果表明:缓冷温度的升高会导致抗拉强度的增加,断后伸长率和屈服强度则变化不大;在其它工艺条件一致的情况下,缓冷温度为700℃时强塑积最高,达到了21.4 GPa·%;时效温度在375~425℃之间,随着温度的上升,抗拉强度不断下降,断后伸长率上升;当温度继续上升到450℃时,抗拉强度和断后伸长率变化规律则相反,强塑积和残留奥氏体碳含量达到最低值;时效温度为400℃时,实验用钢能获得最佳的综合力学性能。

关键词(KeyWords)： TRIP780钢;连续退火;显微组织;力学性能

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 余万华,陈家龙,陈苏冬,夏强强

DOI: 10.13289/j.issn.1009-6264.2016.09.020

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