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金属学报  1991, Vol. 27 Issue (4): 142-144    
  论文 本期目录 | 过刊浏览 |
Cu-Ce-S,Cu-Y-S溶液体系热力学性质的研究
李国栋;杜挺
冶金工业部钢铁研究总院;冶金工业部钢铁研究总院
THERMODYNAMIC PROPERTIES OF Cu-Ce-S AND Cu-Y-S LIQUID SOLUTIONS
LI Guodong;DU Ting Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing
引用本文:

李国栋;杜挺. Cu-Ce-S,Cu-Y-S溶液体系热力学性质的研究[J]. 金属学报, 1991, 27(4): 142-144.
, . THERMODYNAMIC PROPERTIES OF Cu-Ce-S AND Cu-Y-S LIQUID SOLUTIONS[J]. Acta Metall Sin, 1991, 27(4): 142-144.

全文: PDF(251 KB)  
摘要: 用化学平衡法研究了1200℃铜液中Ce-S和Y-S的反应平衡。求得Ce和Y的脱硫常数、脱硫产物CeS与YS的标准生成目由能、溶质间活度相互作用系数,Ce和Y在铜液中的标准溶解自由能及其活度系数。
关键词 Cu-Ce-SCu Y S系热力学性质    
Abstract:The thermodynamic properties of Cu-Ce-S and Cu-Y-S liquid solutions werestudied by the chemical equilibrium technique at 1200℃. The equilibrium constants and thestandard free energies of CeS or YS formation were determined for the reactions CeS=[Ce]+[S]and YS=[Y]+[S]. For the solutions of Ce_((1)) and Y_((1)), in pure Cu according to the reactions:Ce_((1))=[Ce], and Y_((1))=[Y], the standard free energies of solutions were found. The first orderand second order interaction coefficients between solute elements as well as the activity coeffi-ciants γ_C~0 and γ_Y~0 in liquid Cu were also determined.
Key wordsCu-Ce-S systcm    Cu-Y-S system    thermodynamic property
收稿日期: 1991-04-18     
基金资助:国家自然科学基金
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