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Peng-zhao, XIAO Han-ning, WANG Hong-jie, JIN Zhi-hao. 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, 93: 164-169. [20] HIROSHI H, TAKUYA A, YASUO K, TOSHIO Y. High-temperature oxidation behavior of SiC-coated carbon fiber-reinforced carbon matrix composites [J]. Composites: Part A, 1999......
resistivities were prepared by the pyrolysis of cured polycarbosilane fiber. The results show that SiC fibers with different specific resistivities can be obtained by changing the curing... and should not be neglected. Key words: silicon carbide fiber; excess carbon layer; specific resistivity 1 Introduction Polymer-derived SiC fiber is highly valued because of its excellent heat-resistance......
Reaction diffusion in continuous SiC fiber reinforced Ti matrix composite L? Xiang-hong(吕祥鸿), YANG Yan-qing(杨延清), HUANG Bin(黄 斌), LUO Xian(罗 贤), LIU Yu-cheng(刘玉成) State Key Laboratory...; Abstract: SiC continuous fiber-reinforced......
. Numerical calculations were conducted for the fiber-reinforced composite SiC/Ti-6Al-4V and the results were compared with those obtained by using the shear-lag theories. Key words: SiC fiber-reinforced composites; fiber pull-out; stress analysis; energy release rate; SiC纤维增强金属基复合材料由于具有高强度, 耐高温和高断裂韧性等优点, 在航空航天等领域具有广泛的应用价值, 而其中一个重要的增韧机理是纤维桥联基体裂纹效应. 桥联过程中分离界面上伴随着复杂的摩擦和滑移, 很大程度上影响复合材......
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Trans. Nonferrous Met. Soc. China 26(2016) 1317?1325 Microstructure and interface thermal stability of C/Mo double-coated SiC fiber reinforced γ-TiAl matrix composites Xian LUO, Chao...; Abstract: C/Mo duplex coating interfacially modified SiC fiber-reinforced g-TiAl matrix composite (SiCf/C/Mo/g-TiAl) was prepared by foil-fiber-foil method to investigate its......
and mechanism of interfacial reaction in SCS-6 SiC continuous fiber-reinforced Ti-Al intermetallic matrix composites [J]. Trans Nonferrous Met Soc China, 2006, 16(1): 77-83. [2] CHE H C, FAN Q C...): 329-331. [8] MARTINEAU P, PAILLER R, LAHAVE M. SiC filament/ titanium matrix composites regarded as model composites Ⅱ: Fiber/matrix chemical interactions at high temperature [J]. Journal of Materials......
Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: C/SiC composites were prepared by densification of bulk needled carbon fiber felts and SiC coating.... For the coated sample after oxidation at 1 000 ℃, brittleness fracture occurs due to the severe oxidation of the fiber bundles. Key words: C/SiC composites; CVD SiC; flexural properties; oxidation; interface......
Kinetics and mechanism of interfacial reaction in SCS-6 SiC continuous fiber-reinforced Ti-Al intermetallic matrix composites L? Xiang-hong(吕祥鸿)1, YANG Yan-qing(杨延清)1, MA Zhi-jun(马志军)1, LIU...; Abstract: SCS-6 SiC continuous fiber-reinforced Ti-Al intermetallics-matrix composites were fabricated by HIP method and then heat-treated in vacuum under different......
application. Fiber/matrix interfacial reaction has a significant effect on the mechanical properties of the composites. The SCS-6 SiC fiber reinforced Ti-6Al-4V matrix composite was prepared by foil...℃, 850℃ and 1000℃, the other group were annealed at 1000℃for 43h, 58h, 80h, 100h, respectively. The interface investigation indicated that the connection between SiC fiber and the matrix is favorite......
