Effect of RTM process on the properties of Cf/SiBCN ceramic matrix composites

Wei Liu; La Mei Cao; Ling Wang; Cai Hong Xu; Xiao Su Yi

doi:10.11868/j.issn.1001-4381.2015.06.001

Effect of RTM process on the properties of C_f/SiBCN ceramic matrix composites

Wei Liu, La Mei Cao, Ling Wang, Cai Hong Xu, Xiao Su Yi

Research output: Journal Publication › Article › peer-review

9 Citations (Scopus)

Abstract

The forming process performance of polyborosilazane as RTM resin was investigated using rheometer, and the green composite preforms were further formed using RTM process, then the C_f/SiBCN ceramic matrix composites were fabricated via repeated impregnation-atmospheric pressure pyrolysis. Furthermore, the effect of RTM forming defects on thickness, density and mechanical properties of ceramic matrix composites was studied in detail. The results show that the polyborosilazane fully meets the requirements of RTM forming process to rheological properties. RTM forming defects will further increase the expansion of composites, and result in the obvious increase of the thickness of composites, meanwhile decrease the density of composites at the stage of pre-impregnation and pyrolysis, and finally the bending strength and modulus of ceramic matrix composites are also slightly decreased.

Original language	English
Pages (from-to)	1-6
Number of pages	6
Journal	Cailiao Gongcheng/Journal of Materials Engineering
Volume	43
Issue number	6
DOIs	https://doi.org/10.11868/j.issn.1001-4381.2015.06.001
Publication status	Published - 20 Jun 2015
Externally published	Yes

Keywords

Ceramic matrix composite
Polyborosilazane
RTM
SiBCN ceramic

ASJC Scopus subject areas

Materials Science (miscellaneous)
Surfaces, Coatings and Films
Polymers and Plastics
Metals and Alloys

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.11868/j.issn.1001-4381.2015.06.001

Cite this

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title = "Effect of RTM process on the properties of Cf/SiBCN ceramic matrix composites",

abstract = "The forming process performance of polyborosilazane as RTM resin was investigated using rheometer, and the green composite preforms were further formed using RTM process, then the Cf/SiBCN ceramic matrix composites were fabricated via repeated impregnation-atmospheric pressure pyrolysis. Furthermore, the effect of RTM forming defects on thickness, density and mechanical properties of ceramic matrix composites was studied in detail. The results show that the polyborosilazane fully meets the requirements of RTM forming process to rheological properties. RTM forming defects will further increase the expansion of composites, and result in the obvious increase of the thickness of composites, meanwhile decrease the density of composites at the stage of pre-impregnation and pyrolysis, and finally the bending strength and modulus of ceramic matrix composites are also slightly decreased.",

keywords = "Ceramic matrix composite, Polyborosilazane, RTM, SiBCN ceramic",

author = "Wei Liu and Cao, {La Mei} and Ling Wang and Xu, {Cai Hong} and Yi, {Xiao Su}",

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AU - Liu, Wei

AU - Cao, La Mei

AU - Wang, Ling

AU - Xu, Cai Hong

AU - Yi, Xiao Su

PY - 2015/6/20

Y1 - 2015/6/20

N2 - The forming process performance of polyborosilazane as RTM resin was investigated using rheometer, and the green composite preforms were further formed using RTM process, then the Cf/SiBCN ceramic matrix composites were fabricated via repeated impregnation-atmospheric pressure pyrolysis. Furthermore, the effect of RTM forming defects on thickness, density and mechanical properties of ceramic matrix composites was studied in detail. The results show that the polyborosilazane fully meets the requirements of RTM forming process to rheological properties. RTM forming defects will further increase the expansion of composites, and result in the obvious increase of the thickness of composites, meanwhile decrease the density of composites at the stage of pre-impregnation and pyrolysis, and finally the bending strength and modulus of ceramic matrix composites are also slightly decreased.

AB - The forming process performance of polyborosilazane as RTM resin was investigated using rheometer, and the green composite preforms were further formed using RTM process, then the Cf/SiBCN ceramic matrix composites were fabricated via repeated impregnation-atmospheric pressure pyrolysis. Furthermore, the effect of RTM forming defects on thickness, density and mechanical properties of ceramic matrix composites was studied in detail. The results show that the polyborosilazane fully meets the requirements of RTM forming process to rheological properties. RTM forming defects will further increase the expansion of composites, and result in the obvious increase of the thickness of composites, meanwhile decrease the density of composites at the stage of pre-impregnation and pyrolysis, and finally the bending strength and modulus of ceramic matrix composites are also slightly decreased.

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