REACTIONS IN THE SYSTEMS MO-SI3N4 AND NI-SI3N4

被引：38

作者：

HEIKINHEIMO, E

KODENTSOV, A

VANBEEK, JA

KLOMP, JT

VANLOO, FJJ

机构：

[1] Laboratory of Solid State Chemistry and Materials Science, Centre for Technical Ceramics CTK, Eindhoven University of Technology

来源：

ACTA METALLURGICA ET MATERIALIA | 1992年 / 40卷

关键词：

D O I：

10.1016/0956-7151(92)90270-O

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The reaction products, formed during annealing of porous powder mixtures of Si3N4 with non-nitride forming metals like Ni or Mo, will depend on the partial pressure of N2 in the atmosphere. In a diffusion couple, however, nitrogen has to be released at the Si3N4-interface during the formation of a metal silicide. It cannot escape easily and builds up a higher pressure of nitrogen at this interface. Therefore, the reaction products are different from those in porous pellets. This has been verified for Ni-Si3N4 and Mo-Si3N4 couples. The role of traces of oxygen on these reactions will be discussed.

引用

页码：S111 / S119

页数：9

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