The 500 °C Isothermal Section of the Al-Co-Nd Ternary System

被引：9
|
作者：
Riani, P. [1 ]
Freccero, R. [2 ,3 ]
Sufryd, K. [2 ]
Arrighi, L. [2 ,4 ]
Cacciamani, G. [2 ]
机构：
[1] Univ Genoa, Dipartimento Farm, Viale Cembrano 4, I-16148 Genoa, Italy
[2] Univ Genoa, Dipartimento Chim & Chim Ind, Via Dodecaneso 31, I-16146 Genoa, Italy
[3] Max Planck Inst Chem Phys Fester Stoffe, Nothnitzer Stasse 40, D-01187 Dresden, Germany
[4] ARPAL, Via Bombrini 8, I-16149 Genoa, Italy
来源：
JOURNAL OF PHASE EQUILIBRIA AND DIFFUSION | 2020年 / 41卷 / 04期
关键词：
aluminides; phase diagrams; phase identification; rare-earth intermetallics; ternary alloy systems; ALUMINUM-RICH PORTION; RARE-EARTH; PHASE-EQUILIBRIA; THERMODYNAMIC ASSESSMENT; CRYSTAL-STRUCTURE; BINARY-SYSTEMS; MAGNETIC-PROPERTIES; GD-TM; SM; ENTHALPIES;
D O I：
10.1007/s11669-020-00789-2
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：
The Al-Co-Nd isothermal section at 500 degrees C has been investigated in the whole composition range by means of x-ray diffraction, optical and scanning electron microscopy and electron probe microanalysis. The following ternary phases have been identified or confirmed: tau(1)-Nd4CoAl (cF96-Gd4RhIn), tau(2)-NdCo2Al8 (oP44-CeFe2Al8), tau(3)-NdCo3Al11 (unknown), tau(4)-Nd2Co3Al9 (oS56-Y2Co3Ga9) tau(5)-Nd5Co2Al2 (unknown), tau(6)-Nd2Co6Al19 (mS108 U2Co6Al19), tau(7)-Nd7Co6Al7 (tP40-Pr7Co6Al7), tau(8)-Nd2Co2Al (oI10-W2CoB2), tau(9)-Nd13Co14-xAl4+x (0 <= x <= 0.7, oS28-W3CoB3). The complex system of phase equilibria linking the large number of binary and ternary Al-Co-Nd phases at 500 degrees C has been completely determined. The general characteristics of the section have been discussed in comparison with those of other Al-Co-R systems.
引用
收藏
页码：347 / 364
页数：18
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