EXPERIMENTAL AND THERMODYNAMIC DESCRIPTION OF TERNARY Bi-Cu-Ga SYSTEM

被引：3
|
作者：
Minic, D. [1 ]
Du, Y. [2 ]
Premovic, M. [1 ,2 ]
Manasijevic, D. [3 ]
Talijan, N. [4 ]
Milisavljevic, D. [1 ]
Markovic, A. [1 ]
Dordjevic, A. [1 ]
Tomovic, M. [1 ]
机构：
[1] Univ Pristina, Fac Tech Sci, Kosovska Mitrovica, Serbia
[2] Cent S Univ, State Key Lab Powder Met, Changsha, Hunan, Peoples R China
[3] Univ Belgrade, Tech Fac Bor, Bor, Serbia
[4] Univ Belgrade, Inst Chem Technol & Met, Belgrade, Serbia
来源：
JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY | 2017年 / 53卷 / 03期
关键词：
Ternary Bi-Cu-Ga system; Calphad method; Experimental results; Liquidus projection; EXCESS GIBBS ENERGY; PHASE-DIAGRAM; X-RAY; COPPER; MICROSTRUCTURE; ALLOYS;
D O I：
10.2298/JMMB170505017M
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Phase diagram of the Bi-Cu-Ga ternary system has been investigated experimentally with 27 alloys and analytically by using a Calphad method. Thirteen annealed alloys at 200 degrees C were investigated by using scanning electron microscopy (SEM) with energy dispersive spectrometry (EDS), and X-ray powder diffraction (XRD) methods. Temperatures of phase transformation were determined with 14 alloys which are lying along three vertical sections Bi-Cu0.5Ga0.5, Cu-Bi0.5Ga0.5 and Ga-Bi0.5Cu0.5 by using differential thermal analysis (DTA). Based on the experimental result and by using Calphad method, ternary phase diagrams were constructed with a new description of liquidus phase. Calculated phase diagram and experimentally obtained results are in good agreement. Liquidus projection and invariant reaction were calculated by using new thermodynamic parameters for liquidus phase.
引用
收藏
页码：189 / 201
页数：13
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