用球磨分散方法制备了细颗粒B4C-SiC/C石墨复合材料,采用热分析仪测量了材料在800、1200和1400℃下的抗氧化行为,用扫描电镜观测了氧化样品的表面形貌.结果表明:细颗粒B4C-SiC/C石墨复合材料氧化后有优良的自愈合抗氧化性能,因为均匀分散的细颗粒陶瓷粒子可以迅速形成保护膜覆盖在基体表面,有效地抑制基体进一步氧化.
参考文献
| [1] | O.Yamamoto, T.Sasamoto, M.Inagaki, Effect of mullite coating film on oxidation resistance of carbon materials with SiC-gradient. J Mater Sci Lett, 19, 1053(2000) |
| [2] | J.W.Fergus, W.L.Worrell, Silicon-carbide/boron containing coatings for the oxidation protection of graphite.Carbon, 33, 537(1995) |
| [3] | S.Ikeda, S.Hori, R.Fujii, Trial production of carbon material impregnated with glass. Tanso, 124, 2(1986) |
| [4] | S.Ikeda, H.Shioyama, O.Nakamura, Improvement of oxidation resistivity of carbon material by borosilicate glass impregnation. Tanso, 162, 84(1994) |
| [5] | Quangui Guo, Jinren Song, Lang Liu. Relationship between oxidation resistance and structure of B4CSiC/C composites with self-healing properties. Carbon, 37, 33(1999) |
| [6] | Ichitaro. Ogawa, Kazuo Kobayashi, Susumu Nishikawa. Oxidation resistance of carbon-ceramics composite materials sintered from ground powder mixtures of raw coke and ceramics. J Mater Sci, 23, 1363(1988) |
| [7] | Quangui Guo, Jinren Song, Lang Liu. Oxidation protection of graphite and B4C-modified graphite by a SiC coating. Carbon, 37, 147(1999) |
| [8] | K.Kobayashi, K.Maeda, Y.Uchiyama, High temperature oxidation of carbon/SiC/B4C composite in different atmospheres. Tanso, 151, 20(1992) |
| [9] | K.Kobayashi, K.Maeda, H.Sano, Formation and oxidation resistance of the coating formed on carbon material composed of B4C-SiC powders. Carbon, 33(4), 397(1994) |
| [10] | W.S.Horton, D.B.Ballard, Scanning electron microscope studies of oxidized pyrolytic graphite. Carbon, 10,499(1972) |
| [11] | W.G.Zhang, H.M.Cheng, H.Sano, The effects of nanoparticlate SiC upon the oxidation behavior of C-SiCB4C composites. Carbon, 36, 1591(1998) |
| [12] | T.Piquero, Influence of carbide coatingon the oxidation behavior of carbon fibers. Carbon, 33, 457(1995) |
| [13] | W.G.Zhang, H.M.Cheng, Oxidation kinetics and mechanisms of ceramic-carbon composite I. Modeling for the nonreacive ceramic layer type. Carbon, 36, 991(1998) |
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