A Si-SiC oxidation-resistant coating for carbon/carbon composites by hot-pressing reaction technique

Qiangang Fu; Cuiwei Cao; Hejun Li; Jun Tao; Kezhi Li

doi:10.1111/ijac.12014

A Si-SiC oxidation-resistant coating for carbon/carbon composites by hot-pressing reaction technique

Qiangang Fu, Cuiwei Cao, Hejun Li, Jun Tao, Kezhi Li

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

Abstract

A Si-SiC coating was prepared by hot-pressing reactive sintering (HPRS) technique for protecting carbon/carbon (C/C) composites against oxidation. The Si-SiC coating has a dense and crack-free structure with a thickness of 70-90 μm. The Si-SiC coating by HPRS has a higher SiC content and lower Si content than the coating by pressure-less reactive sintering (PRS). It also exhibits better oxidation-protective ability than that prepared by PRS. With hot-pressing, the flexural strength of the Si-SiC coated C/C composites decreases from 121 MPa to 99 MPa, and the interface bonding strength increases from 6 MPa to 10 MPa.

Original language	English
Pages (from-to)	342-349
Number of pages	8
Journal	International Journal of Applied Ceramic Technology
Volume	11
Issue number	2
DOIs	https://doi.org/10.1111/ijac.12014
State	Published - Mar 2014

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title = "A Si-SiC oxidation-resistant coating for carbon/carbon composites by hot-pressing reaction technique",

abstract = "A Si-SiC coating was prepared by hot-pressing reactive sintering (HPRS) technique for protecting carbon/carbon (C/C) composites against oxidation. The Si-SiC coating has a dense and crack-free structure with a thickness of 70-90 μm. The Si-SiC coating by HPRS has a higher SiC content and lower Si content than the coating by pressure-less reactive sintering (PRS). It also exhibits better oxidation-protective ability than that prepared by PRS. With hot-pressing, the flexural strength of the Si-SiC coated C/C composites decreases from 121 MPa to 99 MPa, and the interface bonding strength increases from 6 MPa to 10 MPa.",

author = "Qiangang Fu and Cuiwei Cao and Hejun Li and Jun Tao and Kezhi Li",

year = "2014",

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doi = "10.1111/ijac.12014",

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T1 - A Si-SiC oxidation-resistant coating for carbon/carbon composites by hot-pressing reaction technique

AU - Fu, Qiangang

AU - Cao, Cuiwei

AU - Li, Hejun

AU - Tao, Jun

AU - Li, Kezhi

PY - 2014/3

Y1 - 2014/3

N2 - A Si-SiC coating was prepared by hot-pressing reactive sintering (HPRS) technique for protecting carbon/carbon (C/C) composites against oxidation. The Si-SiC coating has a dense and crack-free structure with a thickness of 70-90 μm. The Si-SiC coating by HPRS has a higher SiC content and lower Si content than the coating by pressure-less reactive sintering (PRS). It also exhibits better oxidation-protective ability than that prepared by PRS. With hot-pressing, the flexural strength of the Si-SiC coated C/C composites decreases from 121 MPa to 99 MPa, and the interface bonding strength increases from 6 MPa to 10 MPa.

AB - A Si-SiC coating was prepared by hot-pressing reactive sintering (HPRS) technique for protecting carbon/carbon (C/C) composites against oxidation. The Si-SiC coating has a dense and crack-free structure with a thickness of 70-90 μm. The Si-SiC coating by HPRS has a higher SiC content and lower Si content than the coating by pressure-less reactive sintering (PRS). It also exhibits better oxidation-protective ability than that prepared by PRS. With hot-pressing, the flexural strength of the Si-SiC coated C/C composites decreases from 121 MPa to 99 MPa, and the interface bonding strength increases from 6 MPa to 10 MPa.

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DO - 10.1111/ijac.12014

M3 - 文章

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SN - 1546-542X

VL - 11

SP - 342

EP - 349

JO - International Journal of Applied Ceramic Technology

JF - International Journal of Applied Ceramic Technology

IS - 2

ER -

A Si-SiC oxidation-resistant coating for carbon/carbon composites by hot-pressing reaction technique

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