铝合金单道次热轧过程的温度模拟
Temperature Simulation of Single Pass Hot Rolling Process of Aluminum Alloy
摘 要
为精确预测轧件的温度场、优化轧制工艺和提高最终产品的质量,通过轧制试验和二维弹塑性有限元法,用MSC、Merc软件建立了3104铝合金板材单道次热轧有限元温度模型,分析了空冷、接触传热、塑性变形热和摩擦热等传热方式对轧板温度的影响以及轧板初始温度、轧制速度、接触传热系数和压下量等轧制参数的轧板温降灵敏度系数.结果表明:在单道次热轧过程中,接触传热对轧板温度的影响最大,塑性变形热的影响次之,摩擦热的影响较小,空冷的影响最小;轧板初始温度、轧制速度、接触传热系数和压下量等轧制参数的轧板温降灵敏度系数依次减小.
温度场
有限元法
铝合金
hot rolling
temperature field
finite element method(FEM)
aluminum alloy
Abstract
In order to accurately predict the temperature field of rolled pieces,optimize the hot rolling process and improve the quality of the final product,the finite element temperature model of 3104 aluminum alloy plate during single pass hot rollig process was built up using MSC,Marc softwares by rolling test and two-dimensional elastoplastic finite element method.The effects of air cooling,contact heat transfer,plastic deformation heat and friction heat on the plate temperature were investigated.And the effects of rolling parameters including the initial temperature of plate rolling speed,contact heat transfer coefficient and reduction on temperature drop sensitivity coefficient were analyzed also.The results show that contact heat transfer had the most effect on the plate temperature and it was followed by plastic deformation,friction and air cooling.The initial temperature had the most effect on the temperature drop sensitivity coefficient and it was followed by rolling speed,contact heat transfer coefficient and reduction.
中图分类号 TG335.1
所属栏目 物理模拟与数值模拟
基金项目 教育部科学技术研究重点资助项目(106123)
收稿日期 2009/4/15
修改稿日期 2009/11/26
网络出版日期
作者单位点击查看
备注康煜华(1976-),男,湖南冷水江人,讲师,硕士.
引用该论文: KANG Yu-hua,LIU Yi-lun,HE Yu-hui. Temperature Simulation of Single Pass Hot Rolling Process of Aluminum Alloy[J]. Materials for mechancial engineering, 2010, 34(4): 92～96
康煜华,刘义伦,何玉辉. 铝合金单道次热轧过程的温度模拟[J]. 机械工程材料, 2010, 34(4): 92～96
被引情况:
【1】王卫卫,易幼平,谢满堂, "铝合金板带热连轧轧件温度场的有限元模拟",机械工程材料 37, 98-102(2013)
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参考文献
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【3】张鹏,鹿守理,高永生,等.板带轧制过程温度场有限元模拟及影响因素分析(II)[J].北京科技大学学报,1998,20(1):99-102.
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【5】兰勇军,陈祥永,黄成江,等.带钢热轧过程中温度演变的数值模拟和实验研究[J].金属学报,2001,37(1):99-103.
【6】DUAN X,SHEPPARD T.Prediction of temperature evolution by FEM during multi-pass hot flat rolling of aluminium alloys[J].Modelling Simul Mater Sci Eng,2001(9):525-538.
【7】RIAHIFAR R,SERAJZADEH S.Three-dimensional model for hot rolling of aluminum alloys[J].Materials & Design,2007,28(8):2366-2372.
【8】DUAN X,SHEPPARD T.Three dimensional thermal mechanical coupled simulation during hot rolling of aluminium alloy 3003[J].International Journal of Mechanical Sciences,2002,44(10):2155-2172.
【9】LIN Z C,SHEN C C.Three-dimensional finite element method for a nonisothermal aluminum flat strip rolling process[J].Journal of Materials Engineering and Performance,1996,5(4):452-461.
【10】KARAGIOZIS A N,LENARD J G.Temperature distribution in a slab during hot rolling[J].Journal of Engineering Materials and Technology,1988,110(1):17-21.
【11】黄光杰,朱清洋,黄本多.3104铝合金高温塑性变形本构关系研究[J].材料导报,2006,20(S2):460-462.
【12】DAVENPORT S B,SILK N J,SPARDS C N,et al.Deve-lopment of constitutive equations for modelling of hot rolling[J].Materials Science and Technology,2000,16(5):539-546.
【13】HLADY C,BRIMACOMBE J,SAMARASEKERA I,et al.Heat transfer in the hot rolling of metals[J].Metallurgical and Materials Transaction B,1995,26(5):1019-1027.
【14】BOLDETTI C,PINNA C,HOWARD I,et al.Measurement of deformation gradients in hot rolling of AA3004[J].Society for Experimental Mechanics,2005,45(6):517-525.
【15】何玉辉,刘义伦,邓高潮,等.工艺参数对铝板带热轧过程总温降影响的数值模拟[J].中南大学学报:自然科学版,2007,38(4):728-733.
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