Design and preparation of multilayer TaC/HfC coating: Ablation behavior under oxyacetylene flame with different heat flux

被引：31

作者：

Zhang, Jian ^{[1
]}

Zhang, Yulei ^{[1
]}

Zhu, Xiaofei ^{[1
]}

Fu, Yanqin ^{[1
]}

Chen, Ruicong ^{[1
]}

Gai, Wenhan ^{[1
]}

机构：

[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Shaanxi Key Lab Fiber Reinforced Light Composite M, Xian 710072, Peoples R China

来源：

CORROSION SCIENCE | 2022年 / 204卷

基金：

中国国家自然科学基金;

关键词：

C; C composites; Multilayer; HfC and TaC coating; Ablation resistances; Different heat flux; CARBON-CARBON COMPOSITE; HAFNIUM CARBIDE; CARBON/CARBON COMPOSITE; ANTIOXIDATION PROPERTY; TEMPERATURE-RANGE; CERAMIC COATINGS; OXIDATION; MICROSTRUCTURE; RESISTANCE; DEPOSITION;

D O I：

10.1016/j.corsci.2022.110385

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The design of a new multilayer anti-ablation coating is inseparable from the performance assessment in multiple environments. This work investigates the effects of different ablation flux on the microstructure evolution and phase composition of multilayer TaC/HfC coating. The results show that the different temperature regions were generated on ablated coating surface, resulting in the formation of different oxidation products. At heat flux of 2.4 MW/m(2), the formation of dense Hf-Ta-O solid solution phase tightly adhered on substrate. As heat flux increased to 4.2 MW/m(2), a large amount of molten oxidation phase was produced in the central area, which caused secondary damage to the coating under the action of high-speed flame.

引用

页数：10

共 42 条

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