摘要
The improvement of oxidation resistance of C/C composites by pack cementation and plasma spray technologies with SiC/gradient composition yttrium silicate multilayer coatings, was analyzed. The cryatalline structure of the synthesized yttrium silicate powder was measured with the Rigaku D/max3C X-ray diffractometer. The morphology of the as-prepared multilayer coatings was analyzed using jSM-5800 scanning electron microscope (SEM). The SiC/gradient yttrium silicate multilayer coating produced by pack cementation and subsequantly by plasma spray processes excellent thermal shock resistance and can protect the C/C composites from oxidation perfectly at 1773 K for an extended period of time.
源语言 | 英语 |
---|---|
页(从-至) | 7383-7385 |
页数 | 3 |
期刊 | Journal of Materials Science |
卷 | 39 |
期 | 24 |
DOI | |
出版状态 | 已出版 - 15 12月 2004 |