Improvement of the strength and toughness of carbon fiber/SiC composites via chemical vapor infiltration-grown SiC nanowire interphases

Fang He; Yongsheng Liu; Zhuo Tian; Chengyu Zhang; Fang Ye; Laifei Cheng; Litong Zhang

doi:10.1016/j.ceramint.2017.10.197

Improvement of the strength and toughness of carbon fiber/SiC composites via chemical vapor infiltration-grown SiC nanowire interphases

Fang He, Yongsheng Liu, Zhuo Tian, Chengyu Zhang, Fang Ye, Laifei Cheng, Litong Zhang

材料学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

32 引用（Scopus）

摘要

SiC nanowires (SiC_nws) were used to modify the interphase of carbon fiber/pyrocarbon/SiC(C_f/PyC/SiC) composites. These SiC_nws were grown in the carbon fiber preform via chemical vapor infiltration(CVI). The effects of these SiC_nw interphases on the microstructure and mechanical properties of C_f/PyC/SiC composites were investigated. According to the obtained results, the composites containing SiC_nw interphases(i.e., C_f/SiC_nw/PyC/SiC and C_f/SiC_nw/SiC) showed higher strength and toughness than C_f/PyC/SiC composites at both room and high temperatures. The superior pull-out and bridging crack characteristics of SiC_nws can account for the toughening of C_f/SiC and C_f/PyC/SiC upon growth of SiC_nw interphases, which resulted in composites with higher crack propagation resistances and superior load with standing capabilities.

源语言	英语
页（从-至）	2311-2319
页数	9
期刊	Ceramics International
卷	44
期	2
DOI	https://doi.org/10.1016/j.ceramint.2017.10.197
出版状态	已出版 - 1 2月 2018

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title = "Improvement of the strength and toughness of carbon fiber/SiC composites via chemical vapor infiltration-grown SiC nanowire interphases",

abstract = "SiC nanowires (SiCnws) were used to modify the interphase of carbon fiber/pyrocarbon/SiC(Cf/PyC/SiC) composites. These SiCnws were grown in the carbon fiber preform via chemical vapor infiltration(CVI). The effects of these SiCnw interphases on the microstructure and mechanical properties of Cf/PyC/SiC composites were investigated. According to the obtained results, the composites containing SiCnw interphases(i.e., Cf/SiCnw/PyC/SiC and Cf/SiCnw/SiC) showed higher strength and toughness than Cf/PyC/SiC composites at both room and high temperatures. The superior pull-out and bridging crack characteristics of SiCnws can account for the toughening of Cf/SiC and Cf/PyC/SiC upon growth of SiCnw interphases, which resulted in composites with higher crack propagation resistances and superior load with standing capabilities.",

keywords = "B. Interphase, C. Mechanical properties, D. SiC",

author = "Fang He and Yongsheng Liu and Zhuo Tian and Chengyu Zhang and Fang Ye and Laifei Cheng and Litong Zhang",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd and Techna Group S.r.l.",

year = "2018",

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doi = "10.1016/j.ceramint.2017.10.197",

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T1 - Improvement of the strength and toughness of carbon fiber/SiC composites via chemical vapor infiltration-grown SiC nanowire interphases

AU - He, Fang

AU - Liu, Yongsheng

AU - Tian, Zhuo

AU - Zhang, Chengyu

AU - Ye, Fang

AU - Cheng, Laifei

AU - Zhang, Litong

PY - 2018/2/1

Y1 - 2018/2/1

N2 - SiC nanowires (SiCnws) were used to modify the interphase of carbon fiber/pyrocarbon/SiC(Cf/PyC/SiC) composites. These SiCnws were grown in the carbon fiber preform via chemical vapor infiltration(CVI). The effects of these SiCnw interphases on the microstructure and mechanical properties of Cf/PyC/SiC composites were investigated. According to the obtained results, the composites containing SiCnw interphases(i.e., Cf/SiCnw/PyC/SiC and Cf/SiCnw/SiC) showed higher strength and toughness than Cf/PyC/SiC composites at both room and high temperatures. The superior pull-out and bridging crack characteristics of SiCnws can account for the toughening of Cf/SiC and Cf/PyC/SiC upon growth of SiCnw interphases, which resulted in composites with higher crack propagation resistances and superior load with standing capabilities.

AB - SiC nanowires (SiCnws) were used to modify the interphase of carbon fiber/pyrocarbon/SiC(Cf/PyC/SiC) composites. These SiCnws were grown in the carbon fiber preform via chemical vapor infiltration(CVI). The effects of these SiCnw interphases on the microstructure and mechanical properties of Cf/PyC/SiC composites were investigated. According to the obtained results, the composites containing SiCnw interphases(i.e., Cf/SiCnw/PyC/SiC and Cf/SiCnw/SiC) showed higher strength and toughness than Cf/PyC/SiC composites at both room and high temperatures. The superior pull-out and bridging crack characteristics of SiCnws can account for the toughening of Cf/SiC and Cf/PyC/SiC upon growth of SiCnw interphases, which resulted in composites with higher crack propagation resistances and superior load with standing capabilities.

KW - B. Interphase

KW - C. Mechanical properties

KW - D. SiC

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DO - 10.1016/j.ceramint.2017.10.197

M3 - 文章

AN - SCOPUS:85032728141

SN - 0272-8842

VL - 44

SP - 2311

EP - 2319

JO - Ceramics International

JF - Ceramics International

IS - 2

ER -

Improvement of the strength and toughness of carbon fiber/SiC composites via chemical vapor infiltration-grown SiC nanowire interphases

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