以一种新型先驱体,聚钛碳硅烷(PTC)为原料制备了3D Cf/Si-Ti-C-O材料,考察了其力学性能和抗氧化、抗热震性能.结果表明,PTC在1200℃时裂解的陶瓷产率达到63.37%,材料的弯曲强度和断裂韧性分别达到485.3MPa和19.95MPa·m1/2.在1300℃马弗炉中氧化10min后,材料的弯曲强度为306.2MPa,强度保留率为63.06%.1300℃五次热震试验后的弯曲强度为408.9MPa,强度保留率为85.13%.表明3D Cf/Si-T-C-O材料具有较好的力学性能和抗氧化、抗热震性能,PTC是一种优异的适合制备陶瓷基复合材料的先驱体.
参考文献
| [1] | YAJIMA S;IWAI T;YAMDMURA T et al.Synthesis of a polytitanoearbosilane and its conversion into inorganic compounds[J].Journal of Materials Science,1981,16:1349-1355. |
| [2] | SHIKAWA T;YAMAMURA T;OKAMURA K .Production mechanism of polytitanocarbosilane and its conversion of the polymer into inorganic materials[J].Journal of Materials Science,1992,27(24):6627-6634. |
| [3] | Chollon G.;Capes L.;Pailler R.;Naslain R.;Aldacourrou B. .Thermal behaviour of a polytitanocarbosilane-derived fibre with a low oxygen content: the Tyranno Lox-E fibre[J].Journal of Materials Science,1998(4):901-911. |
| [4] | Yoshihiro Hirata;Tsuyoshi Matsura;Kazunori Hayata .Infiltration and pyrolysis of polytitanocarbosilane in an Si-Ti-C-O fabric/mullite porous composite[J].Journal of the American Ceramic Society,2000(5):1044-1048. |
| [5] | Shijie Zhu;Yohei Kaneko;Yasuo Ochi .Low cycle fatigue behavior in an orthogonal three-dimensional woven Tyranno fiber reinforced Si-Ti-C-O matrix composite[J].International Journal of Fatigue,2004(10):1069-1074. |
| [6] | Toshio Ogasawara;Takashi Ishikawa;Yutaka Ohsawa .Tensile Creep Behavior and Thermal Stability of Orthogonal Three-Dimensional Woven Tyranno~TM ZMI Fiber/Silicon-Titanium-Carbon-Oxygen Matrix Composites[J].Journal of the American Ceramic Society,2002(2):393-400. |
| [7] | HASEGAWA Y;FEN C X;SONG Y C et al.Ceramic fiber from polymer precursor containing Si O-Ti bonds[J].Journal of Materials Science,1991,26:3657-3664. |
| [8] | 王亦菲,赵鹏,宋永才,冯春祥.富碳含钛碳化硅纤维的研制[J].新型炭材料,2000(02):57-60. |
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