Ultra-high temperature ceramic TaB2-TaC-SiC coating for oxidation protection of SiC-coated carbon/carbon composites

Xuanru Ren; Hejun Li; Qiangang Fu; Kezhi Li

doi:10.1016/j.ceramint.2014.02.013

Ultra-high temperature ceramic TaB₂-TaC-SiC coating for oxidation protection of SiC-coated carbon/carbon composites

Xuanru Ren, Hejun Li, Qiangang Fu, Kezhi Li

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

57 Scopus citations

Abstract

In order to improve the oxidation resistance of the TaB₂-SiC based coating applied on carbon/carbon (C/C) composites, TaC phase was in-situ introduced and a TaB₂-TaC-SiC ultra-high temperature ceramics (UHTCs) coating was prepared on the surface of SiC coated C/C composites by in-situ synthesis method. The results showed that the outer coating consists of smooth non-angular TaB₂ phase, regular hexagonal prism shape TaC phase and SiC phase, which are synchronously obtained during the preparation of the coating. The multilayer coating could protect the C/C composites against oxidation for 400 h at 1773 K in air with only 1.43% weight loss. A double self-healing oxidation layers (inner SiO₂ glass layer and outer compound Ta-Si-O silicate glass layer) formed on the surface of the coating provides a dual oxidation protection for the coating, which was responsible for the excellent oxidation resistance.

Original language	English
Pages (from-to)	9419-9425
Number of pages	7
Journal	Ceramics International
Volume	40
Issue number	7 PART A
DOIs	https://doi.org/10.1016/j.ceramint.2014.02.013
State	Published - 2014

Keywords

B. Composites
B. Surfaces
D. Borides
D. Carbon

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10.1016/j.ceramint.2014.02.013

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title = "Ultra-high temperature ceramic TaB2-TaC-SiC coating for oxidation protection of SiC-coated carbon/carbon composites",

abstract = "In order to improve the oxidation resistance of the TaB2-SiC based coating applied on carbon/carbon (C/C) composites, TaC phase was in-situ introduced and a TaB2-TaC-SiC ultra-high temperature ceramics (UHTCs) coating was prepared on the surface of SiC coated C/C composites by in-situ synthesis method. The results showed that the outer coating consists of smooth non-angular TaB2 phase, regular hexagonal prism shape TaC phase and SiC phase, which are synchronously obtained during the preparation of the coating. The multilayer coating could protect the C/C composites against oxidation for 400 h at 1773 K in air with only 1.43% weight loss. A double self-healing oxidation layers (inner SiO2 glass layer and outer compound Ta-Si-O silicate glass layer) formed on the surface of the coating provides a dual oxidation protection for the coating, which was responsible for the excellent oxidation resistance.",

keywords = "B. Composites, B. Surfaces, D. Borides, D. Carbon",

author = "Xuanru Ren and Hejun Li and Qiangang Fu and Kezhi Li",

year = "2014",

doi = "10.1016/j.ceramint.2014.02.013",

language = "英语",

volume = "40",

pages = "9419--9425",

journal = "Ceramics International",

issn = "0272-8842",

publisher = "Elsevier Ltd",

number = "7 PART A",

}

TY - JOUR

T1 - Ultra-high temperature ceramic TaB2-TaC-SiC coating for oxidation protection of SiC-coated carbon/carbon composites

AU - Ren, Xuanru

AU - Li, Hejun

AU - Fu, Qiangang

AU - Li, Kezhi

PY - 2014

Y1 - 2014

N2 - In order to improve the oxidation resistance of the TaB2-SiC based coating applied on carbon/carbon (C/C) composites, TaC phase was in-situ introduced and a TaB2-TaC-SiC ultra-high temperature ceramics (UHTCs) coating was prepared on the surface of SiC coated C/C composites by in-situ synthesis method. The results showed that the outer coating consists of smooth non-angular TaB2 phase, regular hexagonal prism shape TaC phase and SiC phase, which are synchronously obtained during the preparation of the coating. The multilayer coating could protect the C/C composites against oxidation for 400 h at 1773 K in air with only 1.43% weight loss. A double self-healing oxidation layers (inner SiO2 glass layer and outer compound Ta-Si-O silicate glass layer) formed on the surface of the coating provides a dual oxidation protection for the coating, which was responsible for the excellent oxidation resistance.

AB - In order to improve the oxidation resistance of the TaB2-SiC based coating applied on carbon/carbon (C/C) composites, TaC phase was in-situ introduced and a TaB2-TaC-SiC ultra-high temperature ceramics (UHTCs) coating was prepared on the surface of SiC coated C/C composites by in-situ synthesis method. The results showed that the outer coating consists of smooth non-angular TaB2 phase, regular hexagonal prism shape TaC phase and SiC phase, which are synchronously obtained during the preparation of the coating. The multilayer coating could protect the C/C composites against oxidation for 400 h at 1773 K in air with only 1.43% weight loss. A double self-healing oxidation layers (inner SiO2 glass layer and outer compound Ta-Si-O silicate glass layer) formed on the surface of the coating provides a dual oxidation protection for the coating, which was responsible for the excellent oxidation resistance.

KW - B. Composites

KW - B. Surfaces

KW - D. Borides

KW - D. Carbon

UR - http://www.scopus.com/inward/record.url?scp=84900512445&partnerID=8YFLogxK

U2 - 10.1016/j.ceramint.2014.02.013

DO - 10.1016/j.ceramint.2014.02.013

M3 - 文章

AN - SCOPUS:84900512445

SN - 0272-8842

VL - 40

SP - 9419

EP - 9425

JO - Ceramics International

JF - Ceramics International

IS - 7 PART A

ER -

Ultra-high temperature ceramic TaB₂-TaC-SiC coating for oxidation protection of SiC-coated carbon/carbon composites

Abstract

Keywords

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