Study on macro- and micromodeling of the solidification process of aluminum shape casting

被引：9
|
作者：
Liu, Baicheng [1 ]
Xiong, Shoumei [1 ]
Xu, Qingyan [1 ]
机构：
[1] Tsing Hua Univ, Dept Engn Mech, Beijing 100084, Peoples R China
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2007年 / 38卷 / 04期
关键词：
MICROSTRUCTURE FORMATION; THERMAL-ANALYSIS; SIMULATION;
D O I：
10.1007/s11663-007-9073-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Numerical methods to improve the computational efficiency and to extend the computational scale of the mold filling and solidification of the aluminum die casting process were studied. For molding filling simulation, the parallel computation method was studied, while for solidification simulation, an implicit finite difference scheme and a transient surface layer concept were studied. In addition, the modified cellular automaton method was used to simulate the microstructure formation and evolution of the aluminum alloy, including the grain structure and the dendritic microstructure. The experimental results show that the models in the article are reasonable for describing the formation and evolution of the microstructure formation.
引用
收藏
页码：525 / 532
页数：8
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