6H→3C-SiC transformation in SiC-TiN powder mixture at high temperature

被引：6

作者：

Tanaka, Hidehiko ^{[1
]}

Takekawa, Shunji ^{[1
]}

Tsutsumi, Masuyuki ^{[1
]}

机构：

[1] Natl Inst for Research in Inorganic, Materials, Ibaraki

来源：

Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan | 1991年 / 99卷 / 1149期

关键词：

Silicon Carbide;

D O I：

10.2109/jcersj.99.376

中图分类号：

学科分类号：

摘要：

A 6H→3C transformation, which does not commonly occur at high temperatures, was observed in SiC. A 6H-SiC and TiN powder mixture was hot-pressed in a flowing Ar atmosphere. The starting 6H-SiC powder was completely transformed to 3C polytype above 2200°C, although 3C-SiC was not stable at this temperature. It was found that coexistence of N was essential for this 6H→3C transformation, and a small amount of Ti was detected in the transformed SiC grain. The results suggest that a solution of N or TiN in the SiC grain would transform the 6H-SiC to the 3C form.

引用

页码：376 / 379

页数：3

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