刘利刚,张超凡,刘娣,杨昱东,李强

• 1:燕山大学机械工程学院
• 2:中钢集团邢台机械轧辊有限公司

摘要(Abstract)：

通过Gleeble-3800型热模拟机研究一种新型冷轧辊用高合金锻钢在不同加热速率(5~50℃/s),加热温度(1050~1150℃)及保温时间(10~800 s)下的奥氏体晶粒长大规律。结果表明:试验钢的平均奥氏体晶粒尺寸随加热速率的升高而减小,同时随加热温度的升高和保温时间的延长而增大。基于金相试验数据利用回归分析建立了描述新型冷轧辊用高合金锻钢不同加热速率下加热与保温过程的奥氏体晶粒长大规律的数学模型。

关键词(KeyWords)： 高合金锻钢;奥氏体晶粒长大;加热速率;晶粒长大模型

Abstract:

Keywords:

基金项目(Foundation): 河北省自然科学基金(E2016203217)

作者(Author): 刘利刚,张超凡,刘娣,杨昱东,李强

DOI: 10.13289/j.issn.1009-6264.2017-0257

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