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粉末冶金材料科学与工程  2024, Vol. 29 Issue (4): 275-289    DOI: 10.19976/j.cnki.43-1448/TF.2024044
  工艺技术 本期目录 | 过刊浏览 | 高级检索 |
浆料涂刷-热压法制备2D Cf-ZrB2-SiC复合材料的力学与烧蚀性能
李天佑, 曾毅, 胡锦润, 易波超, 高萌
中南大学 粉末冶金研究院,长沙 410083
Mechanical and ablation properties of 2D Cf-ZrB2-SiC composites prepared by slurry brushing-hot pressing method
LI Tianyou, ZENG Yi, HU Jinrun, YI Bochao, GAO Meng
Powder Metallurgy Research Institute, Central South University, Changsha 410083, China
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摘要 连续碳纤维增强ZrB2-SiC复合材料以其优异的抗氧化、抗烧蚀性能在航天飞行器热防护结构材料领域备受关注。本文采用浆料涂刷-热压法制备2D Cf-ZrB2-SiC复合材料,探索运用微米级粉末浆料制备2D Cf-ZrB2-SiC复合材料的可行性,研究烧结温度对材料微观结构与力学性能的影响,并测试材料的抗烧蚀性能。结果表明:采用微米粉末浆料涂刷-热压法制备的2D Cf-ZrB2-SiC复合材料于2 000 ℃烧结后具有最高的致密度与抗弯强度,开孔率达到8.01%,抗弯强度达到191.3 MPa;复合材料表现出较好的抗烧蚀性能,材料表面响应温度达到2 600 ℃,经300 s等离子火焰烧蚀后线烧蚀率为3.51 μm/s。
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作者相关文章
李天佑
曾毅
胡锦润
易波超
高萌
关键词 2D Cf-ZrB2-SiC复合材料浆料涂刷热压力学性能烧蚀性能    
Abstract:Continuous carbon fiber reinforced ZrB2-SiC composites have attracted much attention in the field of thermal protective structural materials for space vehicles due to their excellent oxidation and ablation resistance. In this paper, 2D Cf-ZrB2-SiC composites were prepared by the slurry brushing-hot pressing method, the feasibility of using micron-sized powder slurry to prepare 2D Cf-ZrB2-SiC composites was explored, the effects of sintering temperatures on the microstructure and mechanical properties of the materials were investigated, and the ablation resistance of the materials was tested. The results show that the 2D Cf-ZrB2-SiC composite prepared by micron-sized powder slurry brushing-hot pressing method has the highest density and flexural strength after sintering at 2 000 ℃, with an open porosity of 8.01% and a flexural strength of 191.3 MPa; it appears good ablation resistance, the surface response temperature reaches 2 600 ℃, and the linear ablation rate is 3.51 μm/s after plasma flame ablation for 300 s.
Key words2D Cf-ZrB2-SiC composite    slurry brushing    hot pressing    mechanical property    ablation property
收稿日期: 2024-04-29      出版日期: 2024-09-30
ZTFLH:  TB332  
基金资助:国家自然科学基金资助项目(51602349)
通讯作者: 曾毅,教授,博士。电话:13786145568;E-mail: zengyi001@csu.edu.cn   
引用本文:   
李天佑, 曾毅, 胡锦润, 易波超, 高萌. 浆料涂刷-热压法制备2D Cf-ZrB2-SiC复合材料的力学与烧蚀性能[J]. 粉末冶金材料科学与工程, 2024, 29(4): 275-289.
LI Tianyou, ZENG Yi, HU Jinrun, YI Bochao, GAO Meng. Mechanical and ablation properties of 2D Cf-ZrB2-SiC composites prepared by slurry brushing-hot pressing method. Materials Science and Engineering of Powder Metallurgy, 2024, 29(4): 275-289.
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