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.

引用

页数：11

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