采用浆料法在低密度C/C复合材料表面制备了石墨涂层,然后利用硅蒸镀法使硅蒸气与石墨涂层反应生成SiC涂层.借助X射线衍射、扫描电子显微镜等研究了蒸镀温度、蒸镀时间、石墨涂层表面粗糙度、硅蒸发源及气氛条件对涂层微观结构、相组成、致密度、平整度以及涂层厚度的影响.结果表明:随着蒸镀温度的升高,涂层的表面平整度增加,当蒸镀温度为1550℃和1650℃时,涂层表面仅存在SiC;硅块为硅蒸发源,氩气为保护气氛均可提高涂层表面平整度;降低石墨涂层的表面粗糙度,涂层的致密度和连续性增大;随着蒸镀时间的增加,SiC涂层厚度和致密度逐渐增加.
参考文献
| [1] | 侯根良,苏勋家,王延斌,周晓波.C/C复合材料抗烧蚀HfC涂层的制备[J].航空材料学报,2009(01):77-80. |
| [2] | 李秀倩,焦健,邱海鹏,王宇,陈明伟,谢巍杰.ZrC/SiC多组元改性C/C复合材料的制备及性能研究[J].航空材料学报,2014(03):69-73. |
| [3] | 李翠云,李辅安.碳/碳复合材料的应用研究进展[J].化工新型材料,2006(03):18-20. |
| [4] | 施伟,谭毅,曹作暄.硬质隔热用炭纤维整体毡的制备工艺研究[J].材料工程,2013(05):48-52. |
| [5] | Fu QG;Li HJ;Shi XH;Li KZ;Huang M;Sun GD .Silicide coating for protection of C/C composites at 1873 K[J].Surface & Coatings Technology,2006(6):3082-3086. |
| [6] | F. Smeacetto;M. Salvo;M. Ferraris .Oxidation protective multilayer coatings for carbon-carbon composites[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(4):583-587. |
| [7] | R. I. Baxter;R. D. Rawlings .Solid particle erosion of highly porous carbon-carbon composites[J].Materials Science and Technology: MST: A publication of the Institute of Metals,1998(2):161-169. |
| [8] | F. Smeacetto;M. Salvo;M. Ferraris .Erosion protective coatings for low density, highly porous carbon/carbon composites[J].Carbon: An International Journal Sponsored by the American Carbon Society,2009(6):1511-1519. |
| [9] | T. MOSKALEWICZ;F. SMEACETTO;M. SALVO .Microstructure characterization of erosion resistant coatings on carbon-bonded carbon fibre composites[J].Journal of Microscopy,2010(3):288-291. |
| [10] | Liu ZJ;Guo QG;Liu L;Shi J;Zhai GT .Effect of sintering temperature on microstructure and properties of SiC coatings for carbon materials[J].Surface & Coatings Technology,2008(13):3094-3099. |
| [11] | Juan Zhao;Gui Wang;Quangui Guo;Lang Liu .Microstructure and property of SiC coating for carbon materials[J].Fusion engineering and design,2007(4):363-368. |
| [12] | Cui Hu;Yaran Niu;Hong Li;Musu Ren;Xuebin Zheng;Jinliang Sun .SiC Coatings for Carbon/Carbon Composites Fabricated by Vacuum Plasma Spraying Technology[J].Journal of Thermal Spray Technology,2012(1):16-22. |
| [13] | XIAO Lai-rong,CAI Zhi-gang,YI Dan-qing,YING Lei,LIU Hui-qun,HUANG Dao-yuan.Morphology, structure and formation mechanism of silicide coating by pack cementation process[J].中国有色金属学会会刊（英文版）,2006(z1):239-244. |
| [14] | Huang Jian-Feng;Zeng Xie-Rong;Li He-Jun;Xiong Xin-Bo;Fu Ye-Wei .Influence of the preparation temperature on the phase,microstructure and anti-oxidation property of a SiC coating for C/C composites[J].Carbon: An International Journal Sponsored by the American Carbon Society,2004(8/9):1517-1521. |
| [15] | Lopez AJ;Urena A;Lopez MD;Rams J .Protection against corrosion of aluminium-SiC composites by sol-gel silica coatings[J].Surface & Coatings Technology,2008(16):3755-3763. |
| [16] | 刘兴昉,黄启忠,苏哲安,蒋建献.化学气相反应法制备SiC涂层[J].硅酸盐学报,2004(07):906-910. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%