NUMERICAL MODELING OF DENDRITIC SOLIDIFICATION IN ALUMINUM-RICH AL-CU-MG ALLOYS

被引：63
|
作者：
ROOSZ, A [1 ]
EXNER, HE [1 ]
机构：
[1] MAX PLANCK INST MET RES, INST WERKSTOFFWISSENSCH, STUTTGART, GERMANY
来源：
ACTA METALLURGICA ET MATERIALIA | 1990年 / 38卷 / 02期
关键词：
D O I：
10.1016/0956-7151(90)90068-R
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By modification of a numerical iterative computer simulation worked out for binary alloys, the solidification behaviour of ternary alloys can be quantitatively predicted. The program finds the cooling curves, the amount of binary and ternary eutectic, the concentration distribution of the solute elements in the dendrite arms and the spacing of the dendrite arms during and after complete solidification. Comparison of the numerical predictions with experimental results obtained for five alloys from the aluminium rich corner of the AlCuMg system at four cooling rates shows very good agreement. © 1990.
引用
收藏
页码：375 / 380
页数：6
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