采用溶胶-浸渍法,在三维碳纤维编织体(简称:RB)的纤维表面涂覆ZrO2-SiO2复合涂层,通过XRD、SEM、等温氧化失重和非等温TG-DSC等手段研究了制备方法对涂层完整性的影响,并对涂层/编织体材料(简称:CB)氧化反应的动力学进行了系统研究.结果表明:采用该方法所得到的涂层均匀完整,与纤维表面结合良好,能显著提高编织体材料的抗氧化性能;等温条件下,材料失重低于70%时,其失重率与氧化时间呈线性关系,反应速率常数随温度的升高而增大,材料失重高于70%时,其失重率与氧化时间呈抛物线关系;非等温条件下,材料的氧化过程呈现自催化特征.
参考文献
| [1] | Wan YZ.;Wang YL.;Luo HL.;Dong XH.;Cheng GX. .Moisture absorption behavior Of C-3D/EP composite and effect of external stress[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2002(2):324-329. |
| [2] | Xiaowei Yin;Laifei Cheng;Litong Zhang;Yongdong Xu .Thermal shock behavior of 3-dimensional C/SiC composite[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(6):905-910. |
| [3] | Hiroshi Hatta;Keisuke Taniguchi;Yasuo Kogo .Compressive strength of three-dimensionally reinforced carbon/carbon composite[J].Carbon: An International Journal Sponsored by the American Carbon Society,2005(2):351-358. |
| [4] | 贺福.碳纤维及其应用技术[M].北京:化学工业出版社,2004:207-208. |
| [5] | T. A. Bullions;J. E. McGrath;A. C. Loos .Thermal-oxidative aging effects on the properties of a carbon fiber-reinforced phenylethynyl-terminated poly(etherimide)[J].Composites science and technology,2003(12):1737-1748. |
| [6] | Kazutaka S;Shoichi K;Kikuo N et al.Pressure-pulsed chemical vapor infiltration of SiC to three-dimensional carbon fiber /SiC perform prepared by polymer impregnation and pyrolysis[J].Journal of the Ceramic Society of Japan,2002,110:44-50. |
| [7] | Ramakrishnan Rajagopalan;Jude O. Iroh .A one-step electrochemical synthesis of polyaniline-polypyrrole composite coatings on carbon fibers[J].Electrochimica Acta,2002(12):1847-1855. |
| [8] | 华文君,陈大明,赵家培.阴极溅射SiC涂层碳纤维结构与特性研究[J].复合材料学报,1999(03):73-77. |
| [9] | 高朋召,王红洁,金志浩.SiC涂层/三维碳纤维编织体的氧化动力学和机理研究[J].无机材料学报,2005(02):323-331. |
| [10] | Gao PZ;Xiao HN;Wang HJ;Jin ZH .A study on the oxidation kinetics and mechanism of three-dimensional (3D) carbon fiber braid coated by gradient SiC[J].Materials Chemistry and Physics,2005(1):164-169. |
| [11] | 高朋召,王红洁,金志浩.SiO2涂层制备工艺对三维碳纤维编织体抗氧化性能的影响[J].无机材料学报,2003(04):849-854. |
| [12] | 高朋召 .三维碳纤维预制体/陶瓷复合材料的制备及性能研究[D].西安:西安交通大学,2004. |
| [13] | 李贺军,曾燮榕,朱小旗.炭/炭复合材料抗氧化研究[J].炭素,1999(03):2-7. |
| [14] | Zhao LR.;Jang BZ. .THE OXIDATION BEHAVIOUR OF LOW-TEMPERATURE HEAT-TREATED CARBON FIBRES[J].Journal of Materials Science,1997(11):2811-2819. |
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