Cu-Ni nanoalloy phase diagram - Prediction and experiment

被引：75
|
作者：
Sopousek, Jiri [1 ,2 ]
Vrestal, Jan [1 ]
Pinkas, Jiri [1 ,2 ]
Broz, Pavel [1 ,2 ]
Bursik, Jiri [3 ]
Styskalik, Ales [1 ,2 ]
Skoda, David [1 ,2 ]
Zobac, Ondrej [1 ]
Lee, Joonho [4 ]
机构：
[1] Masaryk Univ, CEITEC MU, Brno, Czech Republic
[2] Masaryk Univ, Fac Sci, Dept Chem, CS-61137 Brno, Czech Republic
[3] Inst Phys Mat ASCR Brno, Brno, Czech Republic
[4] Korea Univ, Dept Mat Sci & Engn, Seoul, South Korea
来源：
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY | 2014年 / 45卷
关键词：
Nanoalloy; Phase diagram; Thermodynamic modeling; Characterization; Surface energy; LIQUID PURE METALS; SURFACE-TENSION; ALLOYS; TEMPERATURE; SOFTWARE; DATABASES; ELEMENTS; NICKEL; SYSTEM; COPPER;
D O I：
10.1016/j.calphad.2013.11.004
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The Cu-Ni nanoalloy phase diagram respecting the nanoparticle size as an extra variable was calculated by the CALPHAD method. The samples of the Cu-Ni nanoalloys were prepared by the solvothermal synthesis from metal precursors. The samples were characterized by means of dynamic light scattering (DLS), infrared spectroscopy (IR), inductively coupled plasma optical emission spectroscopy (ICP/OES), transmission electron microscopy (TEM, HRTEM), and differential scanning calorimetry (DSC). The nanoparticle size, chemical composition, and Cu-Ni nanoparticles melting temperature depression were obtained. The experimental temperatures of melting of nanoparticles were in good agreement with the theoretical CALPHAD predictions considering surface energy. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：33 / 39
页数：7
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