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金属学报  1982, Vol. 18 Issue (5): 534-539    
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若干简单金属与类金属在Ag中固溶度亚稳扩展的研究
周新铭;靳嘉禄;宁远涛;赵钟民
冶金工业部贵金属研究所;冶金工业部贵金属研究所;冶金工业部贵金属研究所;冶金工业部贵金属研究所
METASTABLE EXTENSION OF SOLID SOLUBILITY OF CERTAIN SIMPLE METALS OR METALLOIDS IN Ag
Zhou Xinming; Jin Jialu; Ning Yuantao; Zhao Zhongmin (Institute of Precious Metals Research; Kunming)
引用本文:

周新铭;靳嘉禄;宁远涛;赵钟民. 若干简单金属与类金属在Ag中固溶度亚稳扩展的研究[J]. 金属学报, 1982, 18(5): 534-539.
, , , . METASTABLE EXTENSION OF SOLID SOLUBILITY OF CERTAIN SIMPLE METALS OR METALLOIDS IN Ag[J]. Acta Metall Sin, 1982, 18(5): 534-539.

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摘要: 用点阵参数法研究了在熔体淬火条件下若干简单金属与类金属在Ag中固溶度的亚稳扩展。发现与Ag发生一系列包晶反应的二元合金的固溶度扩展符合电子浓度规律,并结合相图特征讨论了包晶系固溶度扩展的规律。简单共晶合金的固溶度扩展并不满足电子浓度规律,用Miedema理论解释了Si在Ag中固溶度低的原因。
Abstract:The metastable extension of solid solubility of certain simple metals or metalloids in Ag has been studied by means of the lattice parameters measurement when the aUoy specimens quenched from melts. It is found that the solid solubility metastable extension of such elements in Ag that form a lot of peritectic binary alloys with Ag is conformed to the rule of valence electron concentration, but that of those which form eutectic or monotectic alloys does not satisfy the rule. The peritectic alloys may be classified into two types with quite different behaviours of solid solubility metastable extension. It seems to be easily clarified that the influence of the composition range of intermediate phase on the solid solubility metastable extension is more important than its stability. The reason why Si is less soluble in Ag has been also discussed by Miedema's theory.
收稿日期: 1982-05-18     
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