Cyclic Oxidation and Ablation Behavior of ZrC-HfC-TaC Modified C/SiC Composites

被引：0

作者：

Chen Haoran ^{[1
]}

Liu Wei ^{[1
]}

Sun Yanan ^{[1
]}

Feng Shijie ^{[1
]}

Yang Tong ^{[1
]}

Yang Liangwei ^{[1
]}

Zhang Baopeng ^{[1
]}

Song Huanjun ^{[1
]}

Sun Tongchen ^{[1
]}

机构：

[1] Aerosp Inst Adv Mat & Proc Technol, Beijing 100074, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2022年 / 51卷 / 12期

基金：

中国国家自然科学基金;

关键词：

refractory metal carbides; ceramic matrix composites; cyclic static oxidation tests; cyclic oxyacetylene ablation; HIGH TEMPERATURE CERAMICS; SILICON-CARBIDE; THERMOPHYSICAL PROPERTIES; RESISTANCE; MICROSTRUCTURE; PERFORMANCE; KINETICS; AIR;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Refractory metal carbides have been widely proven to be an effective strategy to enhance the oxidation resistance of ceramic matrix composites. The modification effect of ZrC-HfC-TaC system on cyclic oxidation and ablation behavior has rarely been explored. Herein, ZrC-HfC-TaC modified C/SiC composites were fabricated by polymer infiltration and pyrolysis and chemical vapor deposition processes. The mechanical strength, chemical composition and microstructure after cyclic static oxidation test under 1600 degrees C/5 h were investigated, and the corresponding oxidation mechanism was proposed according to the characterization results. The cyclic oxyacetylene torch tests under 1700 degrees C/4000 s were also employed to verify the effectiveness of ZrC-HfC-TaC modification on C/SiC composites. Results suggest that ZrC-HfC-TaC modified C/SiC composites possess outstanding cyclic oxidation and ablation behavior.

引用

页码：4429 / 4435

页数：7

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