为提高碳/碳复合材料抗氧化性能,以甲基三氯硅烷(MTS)为先驱体,利用低压化学气相沉积(LPCVD)技术在碳/碳复合材料表面制备SiC-MoSi2涂层,通过XRD和SEM分析了不同沉积温度下涂层结构、物相组成及其沉积机理.结果表明,沉积温度对涂层的成分、结构及致密度有较大影响,在1100～1250℃均可成功得到SiC- MoSi2涂层,1100℃所得涂层结构疏松多孔；1250℃制备的涂层中间部位孔隙较多,表层为致密SiC涂层；1150～1200℃之间可得到均匀致密、以MoSi2颗粒为分散相、以CVD-SiC为连续相的SiC-MoSi2双相陶瓷涂层.
参考文献
| [1] | Buckley J D .Carbon-carbon,an overview[J].American Ceramic Society Bulletin,1988,67(02):364. |
| [2] | 李贺军.炭/炭复合材料[J].新型炭材料,2001(02):79-80. |
| [3] | 美国国家材料咨询委员会所属涂层委员会;金石.高温抗氧化涂层[M].北京:科学出版社,1980 |
| [4] | R. Suresh Kumar;D. Sivakumar;K. Venkateswarlu .Mechanical behavior of molybdenum disilicide reinforced silicon carbide composites[J].Scripta materialia,2011(9):838-841. |
| [5] | 曾燮榕,李贺军,杨峥.碳/碳复合材料表面MoSi2-SiC复相陶瓷涂层及其抗氧化机制[J].硅酸盐学报,1999(01):8-15. |
| [6] | Zhang Yu-Lei;Li He-Jun;Qiang Xin-Fa;Li Ke-Zhi;Zhang Shou-Yang .C/SiC/MoSi2-Si multilayer coatings for carbon/carbon composites for protection against oxidation[J].Corrosion Science,2011(11):3840-3844. |
| [7] | Wu Heng;Li He-Jun;Ma Chao;Fu Qian-Gang;Wang Yong-Jie;Wei Jian-feng;Tao Jun .MoSi_2-based oxidation protective coatings for SiC-coated carbon/carbon composites prepared by supersonic plasma spraying[J].Journal of the European Ceramic Society,2010(15):3267-3270. |
| [8] | Y. Y. Wang;Y. Liu;C. J. Li;G. J. Yang;J. J. Feng;K. Kusumoto .Investigation on the Electrical Properties of Vacuum Cold Sprayed SiC-MoSi_2 Coatings at Elevated Temperatures[J].Journal of Thermal Spray Technology,2011(4):892-897. |
| [9] | 付前刚,李贺军,李克智,史小红.C/C复合材料防氧化涂层SiC/SiC-MoSi2的制备与抗氧化性能[J].金属学报,2009(04):503-506. |
| [10] | Fu Qiangang;Li Hejun;Wang Yongjie et al.Multilayer oxidation protective coating for C/C composites from room temperature to 1500℃[J].Surface and Coatings Technology,2010,204(11):1831. |
| [11] | Huang Jianfeng;Wang Bo;Li Hejun et al.A MoSi2/SiC oxidation protective coating for carbon/carbon composites[J].Corrosion Science,2011,53:834. |
| [12] | 王博,黄剑锋,刘淼,李抗,曹丽云,吴建鹏.水热温度对SiC-C/C复合材料表面水热电泳沉积MoSi2抗氧化涂层的影响[J].无机化学学报,2011(04):666-672. |
| [13] | 史波;李贺军;李克智;et a1 .Analysis on the CVD process of MoSi2 coatings(化学气相沉积MoSi2涂层分析)[J].材料导报,2005,19(07):37. |
| [14] | 黄发荣;焦杨声.酚醛树脂及其应用[M].北京:化学工业出版社,2003 |
| [15] | Zhang W G;Htttinger K J .CVD of SiC from methyltri chlorosilane.Part Ⅱ:Composition of the gas phase and the deposit[J].Chemical Vapor Deposition,2001,7(04):173. |
| [16] | Naslain R;Langlais F;Fedou R .The CVI-processing of ceramic matrix composites[J].Journal De Physique,1989,50(05):191. |
| [17] | Xu Yongdong;Yan Xiutian.Chemical vapor deposition-An integrated engineering design approach[M].Lodon:Springer-Verlag,2010 |
| [18] | 闫联生,邹武.化学气相渗透法制备碳化硅陶瓷复合材料[J].固体火箭技术,1998(01):54. |
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