金属凝固与晶体生长过程的蒙特卡罗模拟

工程热物理学报 , 2001, 22(6): 725-728.

1.清华大学工程力学系

2.清华大学工程力学系

3.清华大学工程力学系

4.清华大学工程力学系

基金项目: 国家自然科学基金(59876016) 清华同方"探索108"集群计算机应用基金国家高技术研究发展计划(863计划)(863-2-7-3-19)

A MONTE CARLO SIMULATION ON SOLIDIFICATION AND CRYSTAL GROWTH OF METALS

采用导热的有限差分计算与图形蒙特卡罗方法相结合的手段,模拟了不同的冷却条件,熔体初温以及杂质含量情况下的金属凝固及其晶体生长过程.模拟得了与典型的边界冷却凝固实验相一致的微观组织结构,同时,通过对模拟结果的分析,总结了不同的冷却条件、熔体初温以及含杂质情况对金属凝固组织的一些影响规律.

[1]	Srolovitz D J;Anderson M P;Grest G S et al.Grain Growth in Two Dimensions[J].Acta Materialia,1984,32:1429.
[2]	Anderson M P;Srolovitz D J;Grest G S et al.Computer Simulation of Grain Growth-I[J].Kinetics Acta Metall,1984,32:783.
[3]	Spittle J A;Brown S G R .A Computer Simulation of the Influence of Processing Condition on As-cast Grain Structures[J].Journal of Materials Science,1989,23:1777.
[4]	Brown S G R;Spittle J A .Computer simulation of grain growth and macrostructure development during solidification[J].Materials Science and Technology,1989,5:362.
[5]	Zhu P;Smith R W.Dynamic Simulation of Crystal Growth by Monte Carlo Method-I. Model description and kinetics[J].冶金材料学报,1992:683.
[6]	Kanetkar C S;Stefanescu D M.Modeling of Casting and Welding Process IV.Edited by A Giamei[J].G J Abbaschian Palm Coast,1988
[7]	Oldfield W .A Quantitative Approach to Casting Solidification: Freezing of Cast Iron[J].Transactions of the American Society of Mechanical Engineers,1966,59:945.
[8]	Rappaz M;Thevoz P;Jie Z.In State of the Art of Computer Simulation of Casting and Solidification Process. Edited by H Fredriksson[J].Les Edition de Physique,1986:277.
[9]	Metroplis M;Rosenbluth A W;M N Rosenbluth et al.Equation of State Calculations by Fast Computing Machines[J].Journal of Chemical Physics,1953,21:1087.

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