HfB2-SiC-MoSi2 oxidation resistance coating fabricated through in-situ synthesis for SiC coated C/C composites

Peipei Wang; Hejun Li; Xuanru Ren; Ruimei Yuan; Xianghui Hou; Yulei Zhang

doi:10.1016/j.jallcom.2017.06.008

HfB₂-SiC-MoSi₂ oxidation resistance coating fabricated through in-situ synthesis for SiC coated C/C composites

Peipei Wang, Hejun Li, Xuanru Ren, Ruimei Yuan, Xianghui Hou, Yulei Zhang

School of Materials Sience and Engineering

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

80 Scopus citations

Abstract

A brand new HfB₂-SiC-MoSi₂ coating was fabricated to protect carbon/carbon (C/C) composites with inner SiC coating from oxidation, which was prepared by in-situ synthesis. In this paper, the C/C substrate with the protection of the HfB₂-SiC-MoSi₂/SiC coating could resist oxidation in 1773 K air for 408 h. The double coating also presented expected oxidation protection performance at dynamic oxidation environment. In the test process, the surface coating was oxidized to form a self-sealing silicate glass layer containing HfO₂ and HfSiO₄, which could hinder crack propagation in coating.

Original language	English
Pages (from-to)	69-76
Number of pages	8
Journal	Journal of Alloys and Compounds
Volume	722
DOIs	https://doi.org/10.1016/j.jallcom.2017.06.008
State	Published - 2017

Keywords

C/C composites
Heat treatment
Oxidation
Surface analysis

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10.1016/j.jallcom.2017.06.008

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title = "HfB2-SiC-MoSi2 oxidation resistance coating fabricated through in-situ synthesis for SiC coated C/C composites",

abstract = "A brand new HfB2-SiC-MoSi2 coating was fabricated to protect carbon/carbon (C/C) composites with inner SiC coating from oxidation, which was prepared by in-situ synthesis. In this paper, the C/C substrate with the protection of the HfB2-SiC-MoSi2/SiC coating could resist oxidation in 1773 K air for 408 h. The double coating also presented expected oxidation protection performance at dynamic oxidation environment. In the test process, the surface coating was oxidized to form a self-sealing silicate glass layer containing HfO2 and HfSiO4, which could hinder crack propagation in coating.",

keywords = "C/C composites, Heat treatment, Oxidation, Surface analysis",

author = "Peipei Wang and Hejun Li and Xuanru Ren and Ruimei Yuan and Xianghui Hou and Yulei Zhang",

note = "Publisher Copyright: {\textcopyright} 2017",

year = "2017",

doi = "10.1016/j.jallcom.2017.06.008",

language = "英语",

volume = "722",

pages = "69--76",

journal = "Journal of Alloys and Compounds",

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TY - JOUR

T1 - HfB2-SiC-MoSi2 oxidation resistance coating fabricated through in-situ synthesis for SiC coated C/C composites

AU - Wang, Peipei

AU - Li, Hejun

AU - Ren, Xuanru

AU - Yuan, Ruimei

AU - Hou, Xianghui

AU - Zhang, Yulei

PY - 2017

Y1 - 2017

N2 - A brand new HfB2-SiC-MoSi2 coating was fabricated to protect carbon/carbon (C/C) composites with inner SiC coating from oxidation, which was prepared by in-situ synthesis. In this paper, the C/C substrate with the protection of the HfB2-SiC-MoSi2/SiC coating could resist oxidation in 1773 K air for 408 h. The double coating also presented expected oxidation protection performance at dynamic oxidation environment. In the test process, the surface coating was oxidized to form a self-sealing silicate glass layer containing HfO2 and HfSiO4, which could hinder crack propagation in coating.

AB - A brand new HfB2-SiC-MoSi2 coating was fabricated to protect carbon/carbon (C/C) composites with inner SiC coating from oxidation, which was prepared by in-situ synthesis. In this paper, the C/C substrate with the protection of the HfB2-SiC-MoSi2/SiC coating could resist oxidation in 1773 K air for 408 h. The double coating also presented expected oxidation protection performance at dynamic oxidation environment. In the test process, the surface coating was oxidized to form a self-sealing silicate glass layer containing HfO2 and HfSiO4, which could hinder crack propagation in coating.

KW - C/C composites

KW - Heat treatment

KW - Oxidation

KW - Surface analysis

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U2 - 10.1016/j.jallcom.2017.06.008

DO - 10.1016/j.jallcom.2017.06.008

M3 - 文章

AN - SCOPUS:85020740701

SN - 0925-8388

VL - 722

SP - 69

EP - 76

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

ER -

HfB₂-SiC-MoSi₂ oxidation resistance coating fabricated through in-situ synthesis for SiC coated C/C composites

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Keywords

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