Ablation behavior of ZrC-SiC-ZrB_2 and ZrC-SiC inhibited carbon/carbon composites components under ultrahigh temperature conditions

Zhao Zhigang; Li Kezhi; Li Wei

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Ablation behavior of ZrC-SiC-ZrB_2 and ZrC-SiC inhibited carbon/carbon composites components under ultrahigh temperature conditions

机译：ZRC-SiC-ZrB_2和ZrC-SiC抑制碳/碳复合材料在超高温条件下的烧蚀行为

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The ZrC-SiC-ZrB2 and ZrC-SiC inhibited carbon/carbon composites wedge shaped components were fabricated by reactive melt infiltration and tested on an oxyacetylene torch at the heat flux of 2.38 MW/m2 for 120 s. Compared with C/C composites, both of the inhibited composites components exhibited better ablation resistance. The tip temperatures of the composites components reached about 2500 degrees C. A structure evolution on the surfaces of the inhibited composites components included the porous ZrO2 layer near the tip, the layered structure of the outer ZrO2 layer and the subsurface ZrO2-SiO2 layer in the intermediate region and the SiO2 layer in the tail.

机译：通过反应性熔融浸润制造ZrC-SiC-ZRB2和ZrC-SiC抑制碳/碳复合材料楔形组分，并在120秒的热通量的热通量下在羟乙烯炬上进行测试。与C / C复合材料相比，两种抑制复合材料组分表现出更好的消融抗性。复合材料组分的尖端温度达到约2500℃。抑制复合材料组分的表面上的结构演变包括在尖端附近的多孔ZrO2层，外ZrO2层的层状结构和地下ZrO2-SiO2层。中间区域和尾部的SiO2层。

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来源
《Corrosion science》 |2021年第8期|109598.1-109598.13|共13页
作者
Zhao Zhigang; Li Kezhi; Li Wei;
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作者单位

Northwestern Polytech Univ Carbon Carbon Composites Res Ctr Xian 710072 Shaanxi Peoples R China|Xian Aeronaut Univ Sch Mat Engn Xian 710077 Shaanxi Peoples R China;

Northwestern Polytech Univ Carbon Carbon Composites Res Ctr Xian 710072 Shaanxi Peoples R China;

Northwestern Polytech Univ Carbon Carbon Composites Res Ctr Xian 710072 Shaanxi Peoples R China;

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正文语种 eng
中图分类
关键词
Carbon; carbon composites; Ultra-high temperature ceramics; Ablation; Microstructure;

机译：碳;碳复合材料;超高温陶瓷;消融;微观结构;

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2. Microstructural study of the ablation behaviors of 3D fine weave pierced Carbon/Carbon composites using plasma torch at ultra-high temperature [J] . ZHANG Wei, HAN Jie-cai, ZHANG Bo-ming Journal of Harbin Institute of Technology . 2006,第1期

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7. Ablation behavior and mechanism of 3D Cf/ZrC-SiC composites in a plasma wind tunnel environment [O] . Qinggang Li, Shaoming Dong, Zhi Wang, 2015

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Ablation behavior of ZrC-SiC-ZrB_2 and ZrC-SiC inhibited carbon/carbon composites components under ultrahigh temperature conditions

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