THERMODYNAMIC STUDY OF BINARY ALLOY SYSTEM (Co-Cr) USING CALPHAD METHOD

被引：0
|
作者：
Shah, Waseem Ullah [1 ]
Shah, Syed Mehmood [1 ]
Khan, Matiullah [2 ]
Khan, Dil Faraz [1 ]
Mamalis, Athanasios G. [3 ]
Yin, Haiqing [4 ]
机构：
[1] Univ Sci & Technol Bannu, Dept Phys, Bannu 28100, Pakistan
[2] Kohat Univ Sci & Technol, Dept Phys, Kohat 26000, Pakistan
[3] NCSR Demokritos, PC NAE, Athens, Greece
[4] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
SURFACE REVIEW AND LETTERS | 2018年 / 25卷 / 02期
关键词：
Calphad; Co-Cr alloy; thermodynamic calculations; FE;
D O I：
10.1142/S0218625X1850049X
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This paper reports the thermodynamic analysis of (Co-Cr) system using THERMO-calc package (basis for CALPHAD) and PBIN database. Calculations involve binary phase diagram, Gibb's energy curve and activity curve at three different elevated temperatures 2125 K, 2150K and 2175 K. Induced miscibility gap is observed at particular concentration. Binary phase diagram shows variation in phases in prescribed alloy with increasing temperature and mole fraction concentration of Co. The total Gibbs energy decreases with increasing temperature showing the stability of Co-Cr system. Activity showed thorough fluctuation resulting in negative deviation from Raoult's law ideal curve.
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页数：9
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