MANUFACTURING FEATURES, STRUCTURE AND PROPERTIES OF HIGH-POROUS SI3N4-CERAMICS AND SIALONS

被引：0
|
作者：
LANIN, AG [1 ]
ANTSIFEROV, VN [1 ]
GILYOV, VG [1 ]
机构：
[1] ENGN & TECH CTR POWDER MET,PERM 614061,RUSSIA
来源：
SILICON NITRIDE 93 | 1994年 / 89-9卷
关键词：
HIGH POROUS SI3N4; SIALONS; MANUFACTURING FEATURES; STRUCTURE; THERMAL SHOCK; STRENGTH; CORROSION RATE;
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The manufacturing features of preparation of high porous Si3NH4 and sialons which permit to vary the total porosity within 40-75%, the structural parameters and phase composition are discussed. The results of the temperature strength, corrosion resistance in nitrogen, air, vacuum and helium, thermal conductivity, and thermal shock are introduced in order to estimate the operating possibilities of thermal protective ceramics. It is demonstrated that the strength, thermal shock resistance and corrosion rate are mainly determined by the configuration and dimensions of the framework elements and pores.
引用
收藏
页码：653 / 657
页数：5
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