Experimental investigation of phase equilibria in the Al-Ag-Si system

被引：2
|
作者：
Hu, Q. [1 ]
Deng, Z. X. [1 ]
Liu, L. B. [1 ]
Zhang, L. G. [1 ,2 ]
Masset, P. J. [3 ]
机构：
[1] Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
[2] Minist Educ, Key Lab Nonferrous Met Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
[3] Warsaw Univ Technol, Fac Mat Sci & Engn, Woloska 141, Warsaw, Poland
来源：
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY | 2023年 / 83卷
基金：
中国国家自然科学基金;
关键词：
Al-Ag-Si system; Isothermal section; Equilibrated alloy; Vertical section; MECHANICAL-PROPERTIES; THERMODYNAMIC EVALUATION; PRECIPITATION; ALLOYS; ADDITIONS; MICROSTRUCTURE; TEMPERATURE; STABILITY; BEHAVIOR;
D O I：
10.1016/j.calphad.2023.102604
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The phase equilibria of the Al-Ag-Si ternary system at 500 degrees C and 600 degrees C were investigated by X-ray powder diffraction (XRD) and electron probe microanalysis (EPMA). Three two-phase regions ((Al) + (Si), (Si) + Ag2Al, and (Si) + (Ag)) and two three-phase regions ((Si) + (Ag) + Ag2Al and (Si) + (Ag) + Ag2Al) were observed at 500 degrees C. The (Si) + Ag2Al and (Si) + (Ag) two-phase regions and (Si) + Ag2Al + liquid and (Si) + (Ag) + Ag2Al three-phase regions were identified in the isothermal section at 600 degrees C. A vertical section of the Al-Ag-Si system along Al0.6Si0.4-Al0.8Ag0.2 was investigated using differential scanning calorimetry (DSC) from which the tem-peratures of the phase-transition reactions were determined. The isothermal and vertical sections obtained in this study provide fundamental data for the thermodynamics of the Al-Ag-Si system and knowledge of the ther-modynamics associated with aluminium-based alloys.
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页数：11
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