为了提高陶瓷基复合材料的抗氧化性能,分别采用气相、液相渗硅工艺制备了ZrB2-SiC涂层,利用静态氧化试验测试了ZrB2-SiC涂层的抗氧化性能,并分析了涂层的微观结构演化过程.结果表明:气相渗硅工艺制备的涂层抗氧化性能更优良,氧化试验后在涂层表面形成一层致密结构的氧化物层,有效抑制氧化性气体向涂层内部扩散,提高涂层的高温抗氧化防护能力.由于液相渗硅工艺制备的涂层存在残留硅成分和微裂纹,导致涂层高温抗氧化防护能力较差.
参考文献
| [1] | NaslainR.Design,preparation and properties of non-oxide CMCs for application in engines and nuclear reactors:an overview.Compos.Sci.Technol.,2004,64(2):155-170. |
| [2] | Westwood M E,Webster J D,Day R J,et al.Oxidation protection for carbon fiber composites,J.Mater.Sci.,1996,31(6):1389-1397. |
| [3] | Naslain R.SiC-matrix composites:nonbrittle ceramics for thermostructural application.Int.J.Appl.Ceram.Technol.,2005,2(2):75-84. |
| [4] | Krenkel Walter.Carbon fiber reinforced CMC for high-performance structures.Int.J.Appl.Ceram.Technol.,2004,1(2):188-200. |
| [5] | DENG Jingyi,WEI Yongliang,LIU Wenchuan.Carbon-fiber-reinforced composites with graded carbon-silicon carbide matrix composition.J.Am.Ceram.Soc.,1999,82(6):1629-1632. |
| [6] | Cheng L F,Xu Y D,Zhang L T,et al.Oxidation behavior of three dimensional C/SiC composites in air and combustion gas environments.Carbon,2000,38(15):2103-2108. |
| [7] | Li Houbu,Zhang Litong,Cheng Laifei,et al.Oxidation analysis of 2D C/ZrC-SiC composites with different coating structures in CH4 combustion gas environment.Ceram.Int.,2009,35(6):2277-2282. |
| [8] | Kim J I,Kim W J,Choi D J,et al.Design of a C/SiC functionally graded coating for the oxidation protection of C/C composites.Carbon,2005,43(8):1749-1757. |
| [9] | Smeacetto F,Ferraris M,Salvo M.Multilayer coating with self-sealing properties for carbon-carbon composites.Carbon,2003,41(11):2105-2111. |
| [10] | Friedricha C,Gadowb R,Speicher M.Protective multilayer coatings for carbon-carbon composites.Surf.Coat.Technol.,2002,151-152:405-411. |
| [11] | Fischedicka J S,Schmidtb J,Tammea R,et al.Oxidation behaviour of C/C-SiC coated with SiC-B4C-SiC-cordierite oxidation protection system.Mat.Sci.Eng.A-Struct.,2004,386(1/2):428-434. |
| [12] | Monteverde F,Bellosi A.Oxidation of ZrB2-based ceramics in dry air.J.Electrochem.Soc.,2003,150(11):552-559. |
| [13] | Han Jiecai,Hu Ping,Zhang Xinghong,et al.Oxidation-resistant ZrB2-SiC composites at 2200℃.Compos.Sci.Technol.,2008,68(3/4):799-806. |
| [14] | Blum Y D,Marschall J,Hui D,et al.Thick protective UHTC coatings for SiC-based structures:process establishment.J.Am.Ceram.Soc.,2008,91(5):1453-1460. |
| [15] | Bartuli Cecilia,Valente Teodoro,Tului Mario.Plasma spray deposition and high temperature characterization of ZrB2-SiC protective coatings.Surf.Coat.Technol.,2002,155(2/3):260-273. |
| [16] | Yao Xiyuan,Li Hejun,Zhang Yulei,et al.A SiC-Si-ZrB2 multiphase oxidation protective ceramic coating for SiC-coated carbon/carbon composites.Ceram.Int.,2012,38(3):2095-2100. |
| [17] | Qiang Xinfa,Li Hejun,Zhang Yulei,et al.A modified dual-layer SiC oxidation protective coating for carbon/carpon composites prepared by one-step pack cementation.Corros.Sci.,2011,53(1):523-527. |
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%