Fabrication of laminated SiCw/SiC ceramic composites by CVI

Yupeng Xie; Laifei Cheng; Liangjun Li; Hui Mei; Litong Zhang

doi:10.1016/j.jeurceramsoc.2013.02.019

Fabrication of laminated SiC_w/SiC ceramic composites by CVI

Yupeng Xie, Laifei Cheng, Liangjun Li, Hui Mei, Litong Zhang

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

Laminated SiC_w/SiC ceramic composites were prepared by chemical vapor infiltration (CVI) and tape casting, and the advantages of this method were investigated. The results showed that this method can increase strength of the composites by reducing the damage of SiC whiskers and increasing their volume fraction, and increase toughness of the composites by controlling the interfacial bonding between whiskers and matrix and inter-laminar bonding between layers. The volume fraction of whiskers reached 40vol.%, and the flexural strength, tensile strength and fracture toughness were 315MPa, 158MPa and 8.02MPam^1/2, respectively. Interfacial and interlaminar crack deflection and bridging were observed.

Original language	English
Pages (from-to)	1701-1706
Number of pages	6
Journal	Journal of the European Ceramic Society
Volume	33
Issue number	10
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2013.02.019
State	Published - Sep 2013

Keywords

Chemical vapor infiltration
Laminated structure
SiC whisker
Tape casting

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10.1016/j.jeurceramsoc.2013.02.019

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title = "Fabrication of laminated SiCw/SiC ceramic composites by CVI",

abstract = "Laminated SiCw/SiC ceramic composites were prepared by chemical vapor infiltration (CVI) and tape casting, and the advantages of this method were investigated. The results showed that this method can increase strength of the composites by reducing the damage of SiC whiskers and increasing their volume fraction, and increase toughness of the composites by controlling the interfacial bonding between whiskers and matrix and inter-laminar bonding between layers. The volume fraction of whiskers reached 40vol.%, and the flexural strength, tensile strength and fracture toughness were 315MPa, 158MPa and 8.02MPam1/2, respectively. Interfacial and interlaminar crack deflection and bridging were observed.",

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author = "Yupeng Xie and Laifei Cheng and Liangjun Li and Hui Mei and Litong Zhang",

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T1 - Fabrication of laminated SiCw/SiC ceramic composites by CVI

AU - Xie, Yupeng

AU - Cheng, Laifei

AU - Li, Liangjun

AU - Mei, Hui

AU - Zhang, Litong

PY - 2013/9

Y1 - 2013/9

N2 - Laminated SiCw/SiC ceramic composites were prepared by chemical vapor infiltration (CVI) and tape casting, and the advantages of this method were investigated. The results showed that this method can increase strength of the composites by reducing the damage of SiC whiskers and increasing their volume fraction, and increase toughness of the composites by controlling the interfacial bonding between whiskers and matrix and inter-laminar bonding between layers. The volume fraction of whiskers reached 40vol.%, and the flexural strength, tensile strength and fracture toughness were 315MPa, 158MPa and 8.02MPam1/2, respectively. Interfacial and interlaminar crack deflection and bridging were observed.

AB - Laminated SiCw/SiC ceramic composites were prepared by chemical vapor infiltration (CVI) and tape casting, and the advantages of this method were investigated. The results showed that this method can increase strength of the composites by reducing the damage of SiC whiskers and increasing their volume fraction, and increase toughness of the composites by controlling the interfacial bonding between whiskers and matrix and inter-laminar bonding between layers. The volume fraction of whiskers reached 40vol.%, and the flexural strength, tensile strength and fracture toughness were 315MPa, 158MPa and 8.02MPam1/2, respectively. Interfacial and interlaminar crack deflection and bridging were observed.

KW - Chemical vapor infiltration

KW - Laminated structure

KW - SiC whisker

KW - Tape casting

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Fabrication of laminated SiC_w/SiC ceramic composites by CVI

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Keywords

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