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

页码：347 / 364

页数：18

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