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Oxidation behavior of C/SiC-SiBCN composites at high temperature

Luan, Xin’gang and Wang, Lei and Zou, Yun and Zhang, Qiqi and Riedel, Ralf and Cheng, Laifei (2019):
Oxidation behavior of C/SiC-SiBCN composites at high temperature.
In: Journal of the European Ceramic Society, Elsevier, pp. 3003-3012, 39, (10), ISSN 0955-2219,
DOI: 10.1016/j.jeurceramsoc.2019.04.025,
[Online-Edition: https://www.sciencedirect.com/science/article/abs/pii/S09552...],
[Article]

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Abstract

In order to improve the anti-oxidation performance of C/SiC composites at high temperature, C/SiC composites should be modified by self-healing components. SiBCN ceramic is an ideal self-healing component because of excellent oxidation resistance and thermal stability. C/SiC composites were modified by PDC SiBCN ceramic (C/SiC-SiBCN) by using CVI combined with polymer infiltration and on-line pyrolysis (PI-OP). The oxidation behaviors of C/SiC composites fabricated by CVI method and C/SiC-SiBCN composites fabricated by CVI + PI-OP method and CVI + PIP method at different temperatures in air were compared. The results showed that the strength retention ratios of the composites fabricated by the three methods decreased with the increase of temperature. Compared with the samples fabricated by the other two methods, the weight loss of the samples fabricated by CVI + PI-OP method was greater, but the strength retention ratio was higher.

Item Type: Article
Erschienen: 2019
Creators: Luan, Xin’gang and Wang, Lei and Zou, Yun and Zhang, Qiqi and Riedel, Ralf and Cheng, Laifei
Title: Oxidation behavior of C/SiC-SiBCN composites at high temperature
Language: English
Abstract:

In order to improve the anti-oxidation performance of C/SiC composites at high temperature, C/SiC composites should be modified by self-healing components. SiBCN ceramic is an ideal self-healing component because of excellent oxidation resistance and thermal stability. C/SiC composites were modified by PDC SiBCN ceramic (C/SiC-SiBCN) by using CVI combined with polymer infiltration and on-line pyrolysis (PI-OP). The oxidation behaviors of C/SiC composites fabricated by CVI method and C/SiC-SiBCN composites fabricated by CVI + PI-OP method and CVI + PIP method at different temperatures in air were compared. The results showed that the strength retention ratios of the composites fabricated by the three methods decreased with the increase of temperature. Compared with the samples fabricated by the other two methods, the weight loss of the samples fabricated by CVI + PI-OP method was greater, but the strength retention ratio was higher.

Journal or Publication Title: Journal of the European Ceramic Society
Volume: 39
Number: 10
Publisher: Elsevier
Uncontrolled Keywords: C/SiC-SiBCN; Oxidation behavior; Self-healing; CVI combined with PI-OP MATRIX COMPOSITES; POLYMER INFILTRATION; CERAMICS; DESIGN
Divisions: 11 Department of Materials and Earth Sciences
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Dispersive Solids
Date Deposited: 25 Jun 2019 05:29
DOI: 10.1016/j.jeurceramsoc.2019.04.025
Official URL: https://www.sciencedirect.com/science/article/abs/pii/S09552...
Projects: Research Fund of the National Key Technologies RD Program, Grant Number 2017YFB0703200, State Key Laboratory of Solidification Processing (NWPU), China, Grant Number 135-QP-2015, ational Natural Science Foundation of China, Grant Number 51821091
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