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.

引用

页码：7 / +

页数：6

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