Ablation behavior of C/C composites matrix-modified by solid solution ceramic (Ta,Zr)C-SiC with different Zr/Ta ratios

IF 5.8 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of The European Ceramic Society Pub Date : 2025-04-29 DOI:10.1016/j.jeurceramsoc.2025.117490

Yuanming Zhou , Shuxin Li , Shuangxing Zhu , Ruizhi Liu , Zhenxiao Tang , Maozhong Yi , Ke Peng

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引用次数: 0

Abstract

To investigate the influence of (Ta,Zr)C on the ablation resistance of C/C composites, C/C-(Ta_0.5Zr_0.5)C-SiC, C/C-(Ta_0.33Zr_0.67)C-SiC, and C/C-(Ta_0.2Zr_0.8)C-SiC were prepared with different Zr/Ta ratios through high-solid-loading slurry impregnation combined with precursor infiltration and pyrolysis. The flexural performance and ablation resistance both improved with an increasing Zr/Ta ratio. Compared to C/C-(Ta_0.5Zr_0.5)C-SiC and C/C-(Ta_0.33Zr_0.67)C-SiC, the flexural strength of C/C-(Ta_0.2Zr_0.8)C-SiC increased by 74.17 % and 24.29 %, respectively. The mass ablation rate was reduced by 74.33 % and 81.02 %, while the linear ablation rate was reduced by 98.60 % and 97.65 % after 120 s of ablation, respectively. The variations in Zr/Ta ratios affected the formation, integrity, and performance of the microstructure, which was composed of a Zr-rich oxide skeleton combined with Ta-rich oxide binder within the Ta-Zr-O oxide layer on the composite surface, ultimately enhancing the overall ablation resistance of these composites.

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不同Zr/Ta比的固溶体陶瓷（Ta,Zr）C- sic改性C/C复合材料的烧蚀行为

为研究（Ta,Zr）C对C/C复合材料抗烧蚀性能的影响，采用高固载浆液浸渍结合前驱体浸渍和热解的方法，制备了不同Zr/Ta比的C/C-(Ta0.5Zr0.5)C- sic、C/C-(Ta0.33Zr0.67)C- sic和C/C-(Ta0.2Zr0.8)C- sic。随着Zr/Ta比的增大，材料的抗弯性能和抗烧蚀性能均有所提高。与C/C-(Ta0.5Zr0.5)C- sic和C/C-(Ta0.33Zr0.67)C- sic相比，C/C-(Ta0.2Zr0.8)C- sic的抗弯强度分别提高了74.17 %和24.29 %。在120 s后，肿块消融率分别降低了74.33 %和81.02 %，线性消融率分别降低了98.60 %和97.65 %。Zr/Ta比值的变化影响了复合材料表面Ta-Zr- o氧化层内富Zr氧化物骨架与富Ta氧化物粘结剂结合的微观结构的形成、完整性和性能，最终提高了复合材料的整体抗烧蚀性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of The European Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

10.70

自引率

12.30%

发文量

863

审稿时长

35 days

期刊介绍： The Journal of the European Ceramic Society publishes the results of original research and reviews relating to ceramic materials. Papers of either an experimental or theoretical character will be welcomed on a fully international basis. The emphasis is on novel generic science concerning the relationships between processing, microstructure and properties of polycrystalline ceramics consolidated at high temperature. Papers may relate to any of the conventional categories of ceramic: structural, functional, traditional or composite. The central objective is to sustain a high standard of research quality by means of appropriate reviewing procedures.