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Rapid chemical vapor infiltration of C/C composites ZHANG Ming-yu(张明瑜)1, 2, WANG Li-ping(王丽平)3, HUANG Qi-zhong(黄启忠)2, CHAI Li-yuan(柴立元)1 1. School of Metallurgical Science... as diluent, C/C composites were fast fabricated by using a multi-physics field chemical vapor infiltration (MFCVI) process in a self-made furnace. A set of orthogonal experiments were carried out......
Densification mechanism of chemical vapor infiltration technology for carbon/carbon composites CHEN Jian-xun(陈建勋), XIONG Xiang(熊 翔), HUANG Qi-zhong(黄启忠), YI Mao-zhong(易茂中), HUANG Bai-yun(黄伯云... chemical vapor infiltration(CVI) technology with propane (C3H6) as the carbon precursor gas and nitrogen (N2) as the carrier gas. The chemical process of deposition of pyrolytic carbon was deduced......
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Oxidation mechanisms of C-SiC-TaC-C composites prepared by chemical vapor infiltration CHEN Zhao-ke(陈招科), XIONG Xiang(熊翔), HUANG Bai-yun(黄伯云), LI Guo-dong(李国栋), XIAO Peng(肖鹏), WANG Ya-lei(王雅雷... composites by chemical vapor infiltration (CVI) methods. The oxidation-resistance properties of C-SiC-TaC-C composites were studied by X-Ray diffractometry (XRD), JEOL-6360LV scanning electronic microscopy......
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Comparative modeling of gas transport in isothermal chemical vapor infiltration process of C/SiC composites WEI Xi(魏 玺), CHENG Lai-fei(成来飞), ZHANG Li-tong(张立同), XU Yong-dong(徐永东), ZENG Qing... of ICVI process of C/SiC composites. Key words: C/SiC composites; modeling; isothermal chemical vapor infiltration; gas transport; convection 1 Introduction Carbon fiber-reinforced silicon carbide (C......
composites with various needled preforms prepared by isothermal chemical vapor infiltration TANG Su-fang(汤素芳), WANG Dao-ling(王道岭), DENG Jing-yi(邓景屹), LIU Wen-chuan(刘文川), YANG Ke(杨 柯) (Institute...; fiber architecture; isothermal chemical vapor infiltration; thermal diffusivity 1 Introduction C/C composites have been extensively studied due to their excellent high-temperature strength, high......
attractive materials for the fusion applications such as the first wall and blanket. There are several processes to obtain SiC/SiC composites, such as chemical vapor infiltration (CVI) [1-4], precursor... composites during chemical vapor infiltration [J]. Journal of Materials Science and Technology, 2003, 10(1): 7-12. [2] YANG W, ARAKI H, KOHYAMA A, YANG Q F, NODA T. Effects of heat treatment......
) (State Key Laboratory of Powder Metallurgy (Central South University), Changsha 410083, China)Abstract:Before densification by chemical vapor infiltration, carbon or SiC nanofibers were grown... infiltration were investigated. The results show that the nanofibers improve the surface activity of the carbon fibers and become active nucleation centers during chemical vapor infiltration. They can induce......