Ablation resistance and mechanical properties of C/C-HfC-SiC composites with a bulletproof-like layer

被引：5

作者：

Liu, Zhiqiang ^{[1
]}

Jia, Yujun ^{[1
]}

Zhang, Shubo ^{[1
]}

Zhang, Jian ^{[1
]}

Li, Jingtong ^{[1
]}

Tang, Luncheng ^{[1
]}

Zhang, Jiaping ^{[1
]}

Fu, Qiangang ^{[1
]}

机构：

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

来源：

CERAMICS INTERNATIONAL | 2024年 / 50卷 / 23期

关键词：

C/C composites; Reactive melt infiltration; Flexural strength; Ablation; REACTIVE MELT INFILTRATION; HIGH TEMPERATURE CERAMICS; THERMAL-EXPANSION; BEHAVIOR; MICROSTRUCTURE; OXIDATION; PROTECTION; STRENGTH;

D O I：

10.1016/j.ceramint.2024.09.292

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Two structural designs are based on the arapaima fish scale structure to enhance the performance of composites. A double-layer SiC/PyC coating was deposited to modify C/C-HfC-SiC composites by chemical vapor deposition. The introduction of PyC coating reduced the porosity and roughness of composites. Ar-O2-Al2O3 plasma ablation system was used to assess the composites. The composites with arapaima fish scale structure showed good flexural and ultra-temperature particle erosion resistance. The samples with the introduction of PyC layer showed higher flexural strength of 220 MPa, which is 40.13 % higher than that of without. After ablation 40 s, the linear ablation rates decreased from 5.95 mu m/s to-4.6 mu m/s. This study provides new ideas to develop C/C composites with improved ablation-resistant and mechanical properties.

引用

页码：49480 / 49489

页数：10

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