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C/SiC复合材料高温抗氧化BSAS涂层制备及性能

Preparation and Properties of High Temperature Oxidation Resistant BSAS Coatings on C/SiC Composite Material
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摘要 利用大气等离子喷涂在C/Si C复合材料表面制备BSAS涂层,并研究涂层的高温抗氧化性能。结果表明:包裹有BSAS涂层的复合材料在1 400℃下抗氧化性能良好,120 h后,样品失重率仅为复合材料自身失重率的1/7。1 400℃下热循环300 h后涂层剥落失效,同时发现BSAS涂层由六方相生成单斜相。 BSAS coatings were prepared on C / Si C composite materials using air plasmas spraying technology.And the oxidation resistance of BSAS coatings was investigated systemically. The results indicate that the weight variety of C / Si C composite material sealed by coatings is just 1 /7 of pure C / Si C composite material under 1 400℃. Under oxidation cycle condition（ 1 400℃ for 300 h）,coatings fell off,and then we found that phase transformation appeared from hexagonal to monoclinic phase.
作者 靳磊 王纯 周海滨 周国栋 李培忠
机构地区 北京航空制造工程研究所高能束流加工技术重点实验室 内蒙古包钢稀土(集团)高科技股份有限责任公司
出处 《宇航材料工艺》 CAS CSCD 北大核心 2016年第1期81-84,共4页 Aerospace Materials & Technology
关键词 复合材料 高温抗氧化性能 BSAS涂层 Composite material High temperature oxidation resistance BSAS coating
分类号 TG174.442 [金属学及工艺—金属表面处理]
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参考文献11

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2016年 第1期

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