周晓光,邢伟,龚福建,李丹峰

• 1:东北大学轧制技术及连轧自动化国家重点实验室

摘要(Abstract)：

采用MMS-300热/力模拟试验机研究了"水冷+保温+淬火"冷却模式下工艺参数对C-Mn双相钢铁素体体积分数的影响,并进行了实验钢的热轧实验。结果表明,随着变形后冷却速度的提高,铁素体体积分数逐渐减少;随着保温温度的降低,铁素体体积分数先增大后减少,当保温温度为700℃时,铁素体体积分数最高;随着保温时间的延长,铁素体体积分数逐渐增加;采用低C低Mn的成分设计,结合高温轧制+超快冷技术在实验室生产出DP540级热轧双相钢。

关键词(KeyWords)： 控制冷却;双相钢;铁素体;显微组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51004037);; 中央高校基本科研业务费专项资金资助项目(N140704002)

作者(Author): 周晓光,邢伟,龚福建,李丹峰

DOI: 10.13289/j.issn.1009-6264.2015.10.011

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