Preparation and Microstructure of a Si-Mo Fused Slurry Coating on Carbon/Carbon Composites for Oxidation Protection

J Mater Sci Technol ›› 2001, Vol. 17 ›› Issue (01): 57-58.

• Research Articles • Previous Articles Next Articles

Preparation and Microstructure of a Si-Mo Fused Slurry Coating on Carbon/Carbon Composites for Oxidation Protection

Haitao FANG, Jingchuan ZHU, Zhongda YIN, Jae-Ho Jeon, Yoo-Dong Hahn

School of Materials Science and Engineering, Harbin institute of Technology, Harbin 150001, China...

Received:2000-04-05 Revised:1900-01-01 Online:2001-01-28 Published:2009-10-10
Contact: Haitao FANG

Abstract

Abstract: A coating of composition Si-40Mo (wt pct) was prepared by fused slurry coating method on the two-dimensional carbon/carbon (2D-C/C) composite to improve oxidation resistance. In the procedure of the fabrication, pure St slurry inner layer in the pre-coating was necessary to apply because of infiltration of liquid Si into the substrate during the sintering. The coating consists of Si continuous phase and MoSi2 particles. In addition, the infiltration of Si into the substrate and the SiC reaction layer between the coating and the C/C composite were observed. Oxidation resistance and the thermal shock resistance of the Si-Mo fused sluury coating were quite excellent at 1730℃

Key words:

Haitao FANG, Jingchuan ZHU, Zhongda YIN, Jae-Ho Jeon, Yoo-Dong Hahn. Preparation and Microstructure of a Si-Mo Fused Slurry Coating on Carbon/Carbon Composites for Oxidation Protection[J]. J Mater Sci Technol, 2001, 17(01): 57-58.

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Preparation and Microstructure of a Si-Mo Fused Slurry Coating on Carbon/Carbon Composites for Oxidation Protection

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