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Journal of Inorganic Materials

Journal of Inorganic Materials >

2009 , Vol. 24 >Issue 4: 836 - 840

DOI: https://doi.org/10.3724/SP.J.1077.2009.00836

Research Paper

Preparation and Property of SiC/(ZrB2-SiC/SiC)4 Anti-oxidation
Coatings for Cf/SiC Composites

  • WU Ding-Xing ,
  • DONG Shao-Ming ,
  • DING Yu-Sheng ,
  • ZHANG Xiang-Yu ,
  • WANG Zheng ,
  • ZHOU Hai-Jun
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  • 1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China; 2. Graduate University of the Chinese Academy of Sciences, Beijing 100049, China

Received date: 2008-11-19

  Revised date: 2009-01-08

  Online published: 2009-07-20

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Abstract

A SiC/(ZrB2-SiC/SiC)4 coating was prepared by slurry painting and pulse CVD. The composition and structure of the coating were studied by using XRD,SEM and EDS analysis, then the anti-oxidation property of the coating was investigated. The results show that the thickness of obtained coating is about 100μm, ZrB2-SiC layer and Pulse CVD SiC layer are bonded to each other alternately. After oxidation at 1500℃ in air for 25h, the weight loss of the Pulse CVD coating is 5.1%, while weight gain of the SiC/(ZrB2-SiC/SiC)4 coating is about 2.5%. The SiC/(ZrB2-SiC/SiC)4 coating shows excellent antioxidation property.

Key words： Cf/SiC composites; slurry painting; pulse CVD; anti-oxidation coating

Cite this article

WU Ding-Xing , DONG Shao-Ming , DING Yu-Sheng , ZHANG Xiang-Yu , WANG Zheng , ZHOU Hai-Jun . Preparation and Property of SiC/(ZrB2-SiC/SiC)4 Anti-oxidation
Coatings for Cf/SiC Composites[J]. Journal of Inorganic Materials, 2009 , 24(4) : 836 -840 . DOI: 10.3724/SP.J.1077.2009.00836

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