PHASE-EQUILIBRIA IN TERNARY SC-SI-N, CE-SI-N, HO-SI-N SYSTEMS

被引：16

作者：

WEITZER, F ^{[1
]}

SCHUSTER, JC ^{[1
]}

BAUER, J ^{[1
]}

JOUNEL, B ^{[1
]}

机构：

[1] INST NATL SCI APPL,INST MET,F-35043 RENNES,FRANCE

来源：

JOURNAL OF MATERIALS SCIENCE | 1991年 / 26卷 / 08期

关键词：

D O I：

10.1007/BF00549170

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Phase equilibria in the ternary systems Sc-Si-N, Ce-Si-N and Ho-Si-N at 1000-degrees-C and the binary boundary system Ho-Si are investigated. No new binary or ternary phases are found. In all three systems the respective rare-earth mononitride dominates the ternary phase fields and, with the exception of HoSi2 in the Ho-Si-N system, coexists with all binary silicides. Thus Si3N4 is decomposed in contact with either scandium, cerium or holmium with the formation of ScN + ScSi2-x, CeN + CeSi2 and HoN + HoSi2-x, respectively.

引用

页码：2076 / 2080

页数：5

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