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《中国工程科学》 >> 2014年 第16卷 第1期

高性能节约型不锈钢制备技术研发与应用

东北大学轧制技术及连轧自动化国家重点实验室,沈阳 110819

收稿日期: 2013-10-09 发布日期: 2013-12-23 15:13:06.000

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摘要

开发了409L和410S铁素体不锈钢冷轧板的淬火-配分(Q&P)工艺,获得了铁素体、马氏体和残余奥氏体的复相组织。通过优化奥氏化温度、淬火温度和配分时间,获得了尽量多的马氏体和残余奥氏体。与常规退火和淬火-回火(Q&T)工艺相比,Q&P工艺获得了最优的强度和延伸率组合、连续性屈服和适中的n值、r值,达到了高强度和易成型的要求,能够替代先进高强钢用于生产汽车结构件。

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