<i>In-situ</i> CT characterization of 2D woven SiC<sub>f</sub>/SiC composite loading under compression-Reference-Cited by-同舟云学术

In-situ CT characterization of 2D woven SiC_f/SiC composite loading under compression

Published:2022-01-01 Issue:1 Volume:29 Page:394-402
ISSN:2191-0359
Container-title:Science and Engineering of Composite Materials
language:en
Short-container-title:

Author:

Guo Weina¹,Gao Yantao¹,Sun Lijuan²

Affiliation:

1. School of Textiles and Fashion, Shanghai University of Engineering Science , Shanghai 201620 , China

2. The State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences , Beijing , China

Abstract

Abstract SiC fiber-reinforced SiC matrix composites (SiCf/SiC) with 2D woven fabric as preform were tested under compression with in-situ X-ray computed tomography. The microstructure and damage evolution of the material under continuous loading levels were accurately revealed by image reconstruction of CT data. There were inhomogeneous pores in SiCf/SiC composite because of the un-uniform fiber distribution in the preform. The result also showed that 2D woven SiCf/SiC composite had obvious non-linear characteristics by its compressive load–displacement curve, and the damage modes included transverse matrix cracking, interlayer cracking, longitudinal matrix cracking, and fiber bundle fracture. Matrix cracking tended to occur near the pores or holes of the material, and the number of longitudinal cracks was relatively high compared to the number of transverse cracks.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Ceramics and Composites

Link

https://www.degruyter.com/document/doi/10.1515/secm-2022-0166/pdf

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