GCr15钢奥氏体晶粒长大的有限元模拟
Finite Element Simulation of Austenite Grain Growth of GCr15 Steel
摘 要
用Gleeble-3800型热模拟试验机研究了不同加热温度和保温时间对GCr15钢奥氏体晶粒的长大影响,得到了描述GCr15钢奥氏体晶粒长大规律的数学模型;并将该模型写入Marc的子程序,利用大型商业有限元软件Marc模拟了加热保温过程中GCr15钢奥氏体晶粒的长大过程.结果表明:晶粒长大的模拟结果与试验结果基本吻合.
奥氏体晶粒
有限元模拟
GCr15 steel
austenite grain
finite element simulation
Abstract
The effects of heating temperature and holding time on austenite grain growth process of GCr15 steel were studied using Gleeble-3800 thermo-mechanical simulator.The mathematical model which can describe austenite grain growth behavior of the steel was obtained and written in the subroutine of Marc.Then austenite grain growth process of the steel was simulated by finite element software Marc.The austenite grain size simulated by finite element is in good agreement with the measured value.
中图分类号 TG115.213.1
所属栏目 物理模拟与数值模拟
基金项目 大连市优秀青年科技人才基金资助项目(2001-122);东北特钢集团资助项目
收稿日期 2007/11/22
修改稿日期 2008/3/28
网络出版日期
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备注岳重祥(1982-),男,山东寿光人,博士研究生.
引用该论文: YUE Chong-xiang,ZHANG Li-wen,LIAO Shu-lun,PEI Ji-bin,GAO Hui-ju,JIA Yuan-wei,LIAN Xiao-jie. Finite Element Simulation of Austenite Grain Growth of GCr15 Steel[J]. Materials for mechancial engineering, 2008, 32(12): 88～90
岳重祥,张立文,廖舒纶,裴继斌,高惠菊,贾元伟,廉晓洁. GCr15钢奥氏体晶粒长大的有限元模拟[J]. 机械工程材料, 2008, 32(12): 88～90
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参考文献
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【3】Semiatin S L,Soper J C,Sukonnik I M.Short-time beta grain growth kinetics for a conventional Titanium alloy[J].Arta mater,1996,44(5):1979-1986.
【4】钟云龙,刘国权,刘胜新,等.新型油井管钢33Mn2V的奥氏体晶粒长大规律[J].金属学报,2003,39(7):699-703.
【5】刘建涛,张义文,陶宇,等.FGH96合金锻造盘坯热处理过程中的晶粒长大行为[J].金属热处理,2006,31(6):40-44.
【6】刘建涛,刘国权,张义文,等.FGH96合金晶粒长大规律的研究[J].材料热处理学报,2004,2(6):25-29.
【7】赵辉,鹿守理,窦晓峰,等.低碳钢轧后冷却过程中的晶粒长大模型[J].钢铁,1999,34(2):51-53.
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