EFFECT OF PYROCARBON COATINGS OF THIN-WALLED CARBON-CARBON COMPOSITES ON THEIR SILICONIZING DEGREE

被引：0
|
作者：
Dokuchaev, A. G. [1 ]
Bushuev, V. M. [1 ]
Shchurik, A. G. [1 ]
Sokolkin, Yu. V. [2 ]
机构：
[1] OJSC UNIIKM, Perm, Russia
[2] Perm State Tech Univ, Perm, Russia
来源：
IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA | 2012年 / 55卷 / 06期
关键词：
carbon-carbon composite material; pyrocarbon; siliconizing; C/SiC composite material; strength;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The results of studies on vapor-phase siliconizing of thin plates of carbon-silicon carbide materials (CSCM) of 2D+1 structure having pyrocarbon coating of various thickness was described. The increase in CSCM density and pyrocarbon coating thickness leads to the decrease in silicon content. Silicon content in C/C-SiC CM not exceed 13 mass %, if pyrocarbon coating thickness and CSCM density is more than 2 mu m and 1.53 g/cm(3), respectively. Close tensile and bending strength values of initial CSCM and obtained CSCM is evident of keeping the carbon fibers skeleton after siliconizing.
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页码：7 / +
页数：6
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