Chemical and thermodynamic properties of several Al-Ni-R systems

被引：14

作者：

Borzone, G ^{[1
]}

Raggio, R ^{[1
]}

Delsante, S ^{[1
]}

Ferro, R ^{[1
]}

机构：

[1] Univ Genoa, Dipartimento Chim & Chim Ind, I-16146 Genoa, Italy

来源：

INTERMETALLICS | 2003年 / 11卷 / 11-12期

关键词：

nickel aluminides; based on NiAl; rare-earth intermetallics; thermodynamic and thermochemical properties; calorimetry;

D O I：

10.1016/S0966-9795(03)00161-4

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 standard enthalpies of formation at 300 K of the RNiAl phases (R = rare earth) have been obtained by using a high temperature direct reaction drop calorimeter and an aneroid isoperibol calorimeter. State and composition of the samples were checked by X-ray diffraction analysis. Metallographic examination was performed and the phases were further identified by electron microscopy and electron probe microanalysis. The results obtained are discussed and compared with those available for the binary RNi2 and RAl2 compounds. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：1217 / 1222

页数：6

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