STANDARD ENTHALPIES OF FORMATION OF TERBIUM ALLOYS, TB+ME (ME-NI, RU, RH, PD, IR, PT), BY HIGH-TEMPERATURE DIRECT SYNTHESIS CALORIMETRY

被引：26

作者：

GUO, QT ^{[1
]}

KLEPPA, OJ ^{[1
]}

机构：

[1] CHINESE ACAD SCI,INST GEOCHEM,GUIYANG 550002,PEOPLES R CHINA

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1995年 / 221卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

ENTHALPIES OF FORMATION; TERBIUM ALLOYS; HIGH-TEMPERATURE DIRECT SYNTHESIS CALORIMETRY;

D O I：

10.1016/0925-8388(94)01462-0

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 of 12 terbium alloys with late transition metals have been determined by direct synthesis calorimetry at 1474+/-2 K. The following values of Delta H-f(0) (kJ g(-1) atom(-1)) are reported: TbNi5, -(27.4+/-0.9); TbRu2, -(23.6+/-1.7); Tb5Ru2, -(29.9+/-1.9); TbRh, -(72.3+/-1.1); TbRh2, -(64.4+/-1.5); TbPd, -(85.2+/-1.6); Tb3Pd4, -(85.5+/-1.4); TbPd3, -(78.8+/-1.5); TbIr2, -(70.6+/-2.6 ); TbPt, -(115.7+/-2.9); TbPt3, -(96.7+/-3.1); TbPt3, -(85.6+/-2.9 ). The results are compared with predicted values from the Miedema model and with available literature data for TbPd and TbPt.

引用

页码：50 / 55

页数：6

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