PREPARATION OF CARBON-CERAMIC COMPOSITE MATERIALS BY USE OF RAW COKE (PART 4) OXIDATION RESISTANCE OF C-SiC-B4C COMPOSITE IN AIR.

被引：0

作者：

Ogawa, Ichitaro ^{[1
]}

Yamamoto, Takayoshi ^{[1
]}

Hagio, Tsuyoshi ^{[1
]}

Yoshida, Hisayoshi ^{[1
]}

Kobayashi, Kazuo ^{[1
]}

机构：

[1] Government Industrial Research Inst, Tosu, Jpn, Government Industrial Research Inst, Tosu, Jpn

来源：

Yogyo Kyokai Shi/Journal of the Ceramic Society of Japan | 1986年 / 94卷 / 04期

关键词：

CARBON - Processing - COMPOSITE MATERIALS - Oxidation - REFRACTORY MATERIALS - Carbon;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The oxidation resistance of C-SiC-B//4C composite materials was determined in air and compared with that of C-B//4C composites. Powder mixtures of raw coke and SiC-B//4C (42: 58 in weight) was ground, compacted and baked in Ar gas at 2000 degree C. The oxidation resistance at 800 degree C was improved remarkably by more than 5 vol% addition of SiC-B//4C. The weight loss of the composites made from the ground powder was determined. X-ray diffraction analysis and IR spectroscopy showed that the specimens were coated with a liquid film of B//2O//3- or SiO//2-B//2O//3 glass in air.

引用

页码：409 / 414

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