STUDY OF SEGREGATING NATURE IN LIQUID Al-Ga ALLOYS

I. Koirala, B. Singh, I. S. Jha
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引用次数: 6

Abstract

We report energetic of mixing behavior of liquid Al-Ga alloys, using simple statistical theory through concentration dependence thermodynamic, structural, transport and surface properties at 1023K. The concentration dependent thermodynamic functions (free energy of mixing, enthalpy of mixing, entropy of mixing and activity coefficient of the component), structural functions (concentration fluctuation in the long wavelength limit and chemical short range order parameter), transport properties (diffusivity and viscosity) and surface properties (surface segregation and surface tension) have got special attention to show a tendency of homo-coordination of atom in the mixture. The theoretical analysis reveals that input parameter, order energy is temperature dependent and Al-Ga alloys is of weakly interacting system. Scientific World, Vol. 12, No. 12, September 2014, page 14-20
液态铝镓合金的偏析性质研究
本文利用简单的统计理论,研究了1023K时液态Al-Ga合金的混合行为,包括热力学、结构、输运和表面性质。特别注意与浓度相关的热力学函数(混合自由能、混合焓、混合熵和组分活度系数)、结构函数(长波长极限浓度波动和化学短程有序参数)、输运性质(扩散率和粘度)和表面性质(表面偏析和表面张力),以显示混合物中原子的均匀配位趋势。理论分析表明,输入参数、阶能与温度有关,Al-Ga合金属于弱相互作用体系。《科学世界》,2014年9月,第12卷第12期,第14-20页
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