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金属学报  1965 

二元系中杂质元素分布系数和相平衡图间的经验关系

, PP. 177-186

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Abstract:

在Ge或Si和杂质元素组成的二元系中,及Au-Bi,Au-Tl,Ag-Bi,Ag-Pb,Ag-Tl(后一元素表示杂质)中,发现杂质元素分布系数K_B的对数和液相线上组分A的开方浓度。x_(A,L)~(1/2)间有直线关系。据此外推求得的Ge或Si(IV族)中熔点下分布系数K_B~o和实验结果相当符合,也求得了Au,Ag,Cu(Ⅰ族),Mg(Ⅱ族),Al(Ⅲ族)中某些杂质的K_B~o。在这些系统中,发现如Fischler在Ge或Si中所指出的那样,K_B~o和杂质元素的最大固溶度之间也有简单的经验关系。

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