| ErCl3-CaCl2体系的热力学优化和计算 |
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| 引用本文： | 孟祥珍,孙益民.ErCl3-CaCl2体系的热力学优化和计算[J].巢湖学院学报,2011(6):101-103. |
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| 作者姓名： | 孟祥珍 孙益民 |
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| 作者单位： | 1. 巢湖学院化学与材料科学系,安徽巢湖,238000
2. 安徽师范大学化学与材料科学学院,安徽芜湖,241000 |
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| 摘 要： | 根据实验测定的相图,运用CALPHAD技术对ErCl3-CaCl2体系进行了热力学优化和计算.计算出的相图属于简单低共熔型,低共熔点为850.92K,46.0%(摩尔分数)ErCl3,同时优化计算了该体系的液相混合焓和相互作用系数.这些热力学参数对于稀土金属及其合金的冶炼有重要意义.
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| 关 键 词： | ErCl3-CaCl2 优化和计算 相图 热力学 |
THERMODYNAMIC OPTIMIZATION AND CALCULATION OF THE ErCD-CaCl2 SYSTEM |
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| MENG Xiang-zhen,SUN Yi-min.THERMODYNAMIC OPTIMIZATION AND CALCULATION OF THE ErCD-CaCl2 SYSTEM[J].Chaohu College Journal,2011(6):101-103. |
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| Authors: | MENG Xiang-zhen SUN Yi-min |
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| Institution: | 1 Department of Chemistry and Material,Chaohu College,Chaohu Anhui 238000)(2 Institute of Chemistry and Materials Science,Anhui Normal University,Wuhu Anhui 241000) |
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| Abstract: | From measured phase diagram, the system of ErCB-CaC12 was optimized and calculated by the CALPHAD approach. The calculated phase dliagram is eutectic and the eutectic point is 850.92K, 46.0% （mole fraction）ErC13. Enthalpy of mixing in liquid and interaction parameter of mixing enthalpy have been optimized and calculated in the system. These thermodynamic functions are important for fusion of rare-earth metal and their alloy. |
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| Keywords: | ErCD-CaCl2 optimization and calculation phase diagram thermodynamics |
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