U71Mn重轨淬火温度场及其影响因素研究  

Temperature field and its influencing factors of U71Mn heavy rail during quenching

作　　者：李公法[1] 屈海端[1] 杨金堂[1] 尹强 龙华[1] 张小亮[1] 

机构地区：[1]武汉科技大学机械自动化学院,武汉430081 [2]红林机械厂第九研究室,孝感432000

出　　处：《现代制造工程》2010年第11期65-68,共4页Modern Manufacturing Engineering

基　　金：教育部科学技术研究项目(03088);湖北省自然科学基金项目(2002AB070);湖北省武汉市科学技术局科技攻关项目(20061002052)

摘　　要：利用有限元分析软件对U71Mn重轨淬火过程中的温度场分布进行数值模拟,并通过不同的数据加载对各种可能影响温度场分布的因素进行研究。结果表明,准确选择淬火时加热、保温时间和风冷时的压强,能显著提高重轨的最终性能,对U71Mn重轨热处理中相关参数的选择具有重要的指导意义。The temperature field of U71Mn heavy rail during the quenching process and various kinds of factors that may influence temperature field to be distributed were simulated by the Finite Element Method（FEM） software.The result shows that the main factors that influence the way that temperature field was distributed were how long the heating and keeping warm time were,and the value of the pressure of wend when cooling the steel,the difference of which would directly influence the results of the heat treatment of heavy rail.It is significantly valuable for the choice of relevant parameters for the heat treatment of U71Mn heavy rail.

关 键 词：U71Mn重轨 淬火 温度场 影响因素 有限元法 

分 类 号：TH16[机械工程—机械制造及自动化]