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.
参考文献
| [1] | Olaf Engler;Lothar Lochte;Jurgen Hirsch .Through-process simulation of texture and properties during the thermomechanical processing of aluminium sheets[J].Acta materialia,2007(16):5449-5463. |
| [2] | 李学通,杜凤山,臧新良.板带粗轧过程热、力、组织耦合三维有限元模拟[J].中国机械工程,2006(01):92-95. |
| [3] | 兰勇军,陈祥永,黄成江,李殿中,李依依.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(01):99-103. |
| [4] | X. Duan;T. Sheppard .Prediction of temperature evolution by FEM during multi-pass hot flat rolling of aluminium alloys[J].Modelling and simulation in materials science and engineering,2001(6):525-538. |
| [5] | X. Duan;T. Sheppard .Three dimensional thermal mechanical coupled simulation during hot rolling of aluminium alloy 3003[J].International Journal of Mechanical Sciences,2002(10):2155-2172. |
| [6] | 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(z2):460-462. |
| [7] | S. B. Davenport;N. J. Silk;C. N. Sparks;C. M. Sellars .Development of constitutive equations for modelling of hot rolling[J].Materials Science and Technology: MST: A publication of the Institute of Metals,2000(5):539-546. |
| [8] | C.O. HLADY;J.K. BRIMACOMBE;I.V. SAMARASEKERA .Heat Transfer in the Hot Rolling of Metals[J].Metallurgical and Materials Transactions, B. Process metallurgy and materials processing science,1995(5):1019-1027. |
| [9] | Boldetti C;Pinna C;Howard IC;Gutierrez G .Measurement of deformation gradients in hot rolling of AA3004[J].Experimental Mechanics,2005(6):517-525. |
| [10] | 何玉辉,刘义伦,邓高潮,康煜华,陈代伦.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(04):728-733. |
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