Quantitative analysis of the primary crystallization of iron-containing phases as applied to aluminum alloys of various doping systems

被引：0
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作者：
N. A. Belov
机构：
[1] National University of Science and Technology “MISiS”,
来源：
Russian Journal of Non-Ferrous Metals | 2013年 / 54卷
关键词：
phase diagrams; primary crystallization; Fe-containing phases in aluminum alloys;
D O I：
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中图分类号：
学科分类号：
摘要：
Aluminum-based multicomponent systems are analyzed using the Thermo-Calc program in order to determine the concentration boundaries in which the first primary crystals of Fe-containing phases appear. Projections of the liquidus surfaces are calculated as applied relative to the industrial cast alloys of three main groups, namely, Al-Si (silumins), Al-Cu (the AM5 type), and Al-Mg (magnaliums). It is shown that the primary crystallization of the following Fe-containing phases is most probable: in silumins these are the Al5FeSi and Al15(Fe, Mn)3Si2 phases and in magnaliums and the AM5-type alloys these are Al3Fe and Al6(Fe, Mn) phases. Based on the calculation of parameters of the primary crystallization of the Fe-containing phases, the possibility of evaluating the efficiency of iron removal from aluminum alloys is shown.
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页码：300 / 306
页数：6
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