Preparation and properties of spreading carbon cloth stitched C/C composites

LIU Yufeng; LI Tongqi; FENG Zhihai; WANG Jinming; ZHANG Ying; WANG Yalei; XIONG Xiang

doi:10.13801/j.cnki.fhclxb.20200713.005

Volume 38 Issue 4

Apr. 2021

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LIU Yufeng, LI Tongqi, FENG Zhihai, et al. Preparation and properties of spreading carbon cloth stitched C/C composites[J]. Acta Materiae Compositae Sinica, 2021, 38(4): 1210-1222. doi: 10.13801/j.cnki.fhclxb.20200713.005

Citation:

LIU Yufeng, LI Tongqi, FENG Zhihai, et al. Preparation and properties of spreading carbon cloth stitched C/C composites[J]. Acta Materiae Compositae Sinica, 2021, 38(4): 1210-1222. doi: 10.13801/j.cnki.fhclxb.20200713.005

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Preparation and properties of spreading carbon cloth stitched C/C composites

doi: 10.13801/j.cnki.fhclxb.20200713.005

LIU Yufeng^{1, 2
,
,},
LI Tongqi^2
,,
FENG Zhihai²,
WANG Jinming^2
,,
ZHANG Ying^2
,,
WANG Yalei^1
,,
XIONG Xiang^1
,

1.
Powder Metallurgy Research Institute, Central South University, Changsha 410083, China
2.
Science and Technology of Advanced Functional Composites Laboratory, Aerospace Research Institute of Materials and Processing Technology, Beijing 100076, China

Received Date: 2020-06-04
Accepted Date: 2020-07-07

Available Online: 2020-07-13

Publish Date: 2021-04-08

Abstract

Abstract

In order to obtain high-performance and low-cost C/C composites, a series of preforms stitched with commercial grade large tow spreading carbon fiber cloth or aerospace grade small tow carbon fiber cloth were prepared. The carbon cloth stitched C/C composites were prepared by chemical vapor deposition (CVD), and the densification characteristics, microstructure features and mechanical properties of stitched C/C composites were characterized and discussed. The investigation results show that the types of carbon cloth and stitching density have obvious effects on the densification and mechanical properties of stitched C/C composites. When the type of preform selects key characteristics as spreading fiber cloth T700-12 K-100 g and stitching density 5 mm×5 mm, the values of tensile strength, compression strength, flexural strength and interlaminar shear strength for stitched C/C composites (1.781 g/cm³) reach 342.9 MPa、285.5 MPa、328.4 MPa and 15.2 MPa respectively, which are the international advanced level. The cost of high-performance C/C composites is greatly reduced by using spreading carbon cloth.
- C/C composites,
- spreading,
- stitch,
- chemical vapor deposition,
- mechanical properties
Long Abstrsct
Innovation Points

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References(20)

References

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