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伸强度和缺口冲击强度分别在21.10~22.51MPa和4.25~4.98MPa之间.最后,对纤维水镁石的阻燃机理进行了研究. 关键词:纤维水镁石; 表面改性; 阻燃性能; 力学性能; 聚丙烯; fibrous brucite; surface modification; flame-retardant property; mechanical property; PP; [全文内容正在添加......
composites with different ZrC-SiC contents were fabricated by precursor infiltration and pyrolysis. The effect of ceramic content on the microstructure and ablation resistance was investigated. Both...; SiC; ablation; precursor infiltration and pyrolysis 1 Introduction Carbon/carbon (C/C) composites have many excellent properties like light weight, exceptional high temperature strength and good......
films becomes smaller. At the same time, the uniformity of active points of surface is improved. Combining the analysis of complex precursor of Zn2+, the stability constant of ternary complex and its... films with increasing N2H4 concentration. The appearance of means that hydrazine is not also a usual complementary agent, it becomes a complex precursor of Zn2+ with amine. By changing......
Manufacture of Zn-Co Substituted Y-Type Barium Hexagonal Ferrites by Citrate Precursor Route and Their Microwave Properties 张良莹1,姚熹1,贾晓林2,张海军2 (1.Functional Materials Research Laboratory, Tongji University, Shanghai 200092, China;2.High Temperature Ceramics Institute, Zhengzhou University, Zhengzhou 450052, China) Abstract:Ba2ZnxCo2-xFe12O22 hexaferrites with x=0.0, 0.4, 0.8, 1.2, 1.6 and 2.0......
Synthesis of monodispersed nanosized CeO2 by hydrolysis of the cerium complex precursor刘康强1,2,钟明强11. College of Chemical Engineering and Materials, Zhejiang University of Technology2. College of Chemistry and Chemical Engineering, Jiujiang University摘 要:A cerium-triethanolamine complex was obtained by the reaction of cerium(III) nitrate......
Reaction mechanisms for 0.5Li2MnO3 ·0.5LiMn0.5Ni0.5O2 precursor prepared by low-heating solid state reactionDong Li 1) , Fang Lian 1) , Xin-mei Hou 2) , and Kuo-chih Chou 1,2) 1) School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China 2) Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China摘 要......
Synthesis of monodispersed nanosized CeO2 by hydrolysis of the cerium complex precursor刘康强1,2,钟明强11. College of Chemical Engineering and Materials, Zhejiang University of Technology2. College of Chemistry and Chemical Engineering, Jiujiang University摘 要:A cerium-triethanolamine complex was obtained by the reaction of cerium(III) nitrate......
Effect of Different Doses of Electron Beam Irradiation on the Structure of PAN Precursor Fibers and Resultant Stabilized Fibers余红伟1,WANG Yuansheng1,3,WEI Zheng1,夏革清41. Department of Chemistry... of Science and Technology摘 要:Different doses of electron beam was imposed on the polyacrylonitrile(PAN) precursor fibers before the fibers were stabilized......
Effect of Sintering Additives on Properties of Si3N4BN Composites Fabricated via Die Pressing and Precursor Infiltration and Pyrolysis Route刘坤,张长瑞,LI Bin,WANG Siqing,CAO FengScience and Technology... composites have been prepared via die pressing and precursor infiltration and pyrolysis route using borazine as precursor, and the effect of sintering additives on properties of the composites has......
High-rate capability of spinel LiNi0.05Mn1.95O4 cathode for Li-ion batteries prepared via coprecipitated precursor SUN Bin(孙 斌)1, 2, SHEN Guo-pei(申国培)2, HU Yan-long(胡燕龙)2 1. College... at elevated temperatures[8-9] and rate capability of LiMn2O4 spinels[10-11]. As a precursor synthesis method, coprecipitation can mix metal ions homogeneously, resulting in an easier control......