共搜索到916条信息,每页显示10条信息,共92页。用时:0小时0分0秒515毫秒
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... infiltration (ICVI), which are super-thin mat lay-up, 0?/90? weftless fabric lay-up, 0?/45? weftless fabric lay-up and 0?/45? twill fabric lay-up, were quantitatively evaluated by performing the ablation......
Mechanical Properties of C_f/Mg Composites Fabricated by Pressure Infiltration MethodMeihui Song,Gaohui Wu,Wenshu Yang,Wei Jia,Ziyang Xiu and Guoqin Chen School of Materials Science and Engineering... infiltration method.Effects of fiber species,fiber arrangement,hybrid particles and environment temperature on microstructures and properties of the composite were studied.Results showed......
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......
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......
Preparation of SiCp/Cu composites by Ti-activated pressureless infiltration ZHANG Lin(章 林), QU Xuan-hui(曲选辉), DUAN Bo-hua(段柏华), HE Xin-bo(何新波), QIN Ming-li(秦明礼), LU Xin(路 新) State Key Laboratory... are produced by pressureless infiltration of copper alloy into Ti-activated SiC preform. The volume fraction of SiC reaches 57%. The densification achieves 97.5%. The bending strength varies from 150......
TiC/AZ91D composites fabricated by in situ reactive infiltration process and its tensile deformation WANG Ji-jie(王继杰)1, GUO Jin-hua(郭金花)2, CHEN Li-qing(陈礼清)3 1. Department of Materials...; TiC/AZ91D; in situ reactive infiltration; tensile deformation; strain hardening; fracture mechanism1 Introduction Relative to aluminum matrix composites, magnesium-matrix composites are receiving......
Preparation of Aluminum Matrix Composite by Pressureless Infiltration Process李崇俊,马伯信,王抗利摘 要:PreparationofAluminumMatrixCompositebyPresurelesInfiltrationProcesLiChongjun,MaBoxinandWangKangli(李崇俊)(马伯信)(王抗利)The43rdResear...关键词:......
Infiltration behavior of sintering liquid on nuclei ores during low-titanium ore sintering processDong-hui Liu,Jian-liang Zhang,Xun Xue,Guang-wei Wang,Ke-jiang Li,Zheng-jian LiuSchool of Metallurgy... and bonding phase but also on the bonding degree between them. The infiltration behavior of sintering liquid on nuclei ores influences the bonding degree, which ultimately determines the sinter......
文献标识码: A Preparation of porous Al with high porosity by infiltration method ZHANG Wei-kai, LI Nai-zhe, HE De-ping (Department of Materials Science and Engineering, Southeast University, Nanjing 210096, China) Abstract: Porous Al with high porosity (70%-90%) and high degree of pore-opening(25%-50%) was obtained by controlling the quantity of molten Al. The effects of infiltration pressure......
型稀土矿采用室内柱浸试验,研究不同入渗水头下入渗率的变化规律. 1 模型建立 图1 Green-Ampt入渗模型 Fig. 1 Green-Ampt infiltration model Green-Ampt模型假设土壤初始含水率分布均匀,入渗过程为积水入渗,整个入渗过程存在明显的湿润峰,湿润峰面水平,湿润峰处吸力固定不变[20].如图1所示,把z坐标原点设在... parameters of ion-absorbed rare earth 表2 不同入渗水头下不同湿润峰处的入渗率 Table 2 Infiltration rate of different wetting front under different infiltration heads 图3 不同水头入渗条件下入渗率与湿润峰倒数之间的关系 Fig. 3......