共搜索到33798条信息,每页显示10条信息,共3380页。用时:0小时0分0秒281毫秒
Preparation and Thermoelectric Properties of SiO2/β-Zn4Sb3 Nanocomposite Materials阮学锋Nanoscience and Technology Center,Wuhan University摘 要:A series... the tetraethoxysilane in alcohol-alkali-water solution. SiO2/β-Zn4Sb3 nanocomposite thermoelectric materials were fabricated with these core-shell composite particles by spark plasma sintering (SPS) method......
Preferred Orientation in Nanocomposite Permanent Magnet Materials Sun Guangfei1,Pang Lijia1,Zhang Jinbiao2,Qiang Wenjiang1,Chen Jufang1,Li Wenan2 (1.School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China;2.Yuhong Magnetic Powders Corporation, Guangdong 529100, China) Abstract:Melt-spun (Nd11.4Fe82.9B5.7)0.99M1 ribbons (M=Zr, Nb, Ga, Zr......
. The experimental results indicate that the microstructure of the matrix can be refined, and the micro-porous defects can be eliminated by adding RE oxide into the composite materials... obviously, although the microhardness of the matrix metal can not be effectively increased by adding RE oxide. Key words:metal materials; TiC-based cermet; microstructure; mechanical properties......
Synthesis and Characterization of Mesoporous Materials MCM-41 Incorporated by Yttrium, Neodymium and Samarium Wei Jianxin1,Huang Shaoyun2,Shi Lei1,Ma Guangwei3,Ge Xuegui1 (1.College of Material..., Shanghai 201208, China) Abstract:Using cetyl-trimethyl-ammonium bromide (CTMAB) as template agent and tetraethylorthosilicate (TEOS) as silica source, the MCM-41 mesoporous materials were synthesized......
Is the Crystalline Lattice Structure in Nanocrystalline Materials Different from the Perfect Crystal Lattice?Ke LU National Key Laboratory for RSA,Institute of Metal Research,Academia Sinica,Shenyang,110015,ChinaManling SUI Department of Materials Science and Engineering,Northeastern University,Shenyang 110006,China摘 要:<正> A thermodynamic analysis......
Synthesis of Long Afterglow Photoluminescent Materials Sr2MgSi2O7∶Eu2+, Dy3+ by Sol-Gel Method Yan Changhao1,Chen Yongjie2,QIU Guanming4,Sun Yanbin3,XIAO Linjiu2,Geng Xiujuan2 (1.College of Materials Science & Technology, Nanjing University of Technology, Nanjing 210009, China;2.Department of Applied Chemistry, Shenyang Institute of Chemical Technology, Shenyang 110142, China;3.School......
Synthesis and Properties of Li2MnSiO4/C Cathode Materials for Li-ion Batteries王燕超1,2,赵世玺11. Graduate School at Shenzhen, Tsinghua University2. School of Materials Science and Engineering, Tsinghua University摘 要:Carbon was coated on the surface of Li2MnSiO4 to improve the electrochemical performance as cathode materials, which were synthesized......
......
A STUDY OF TESTS ON GLASS FIBER RESIN FRICTION MATERIALS祝国旺,姚安佑,周国华,史可鉴摘 要:<正> The relationships between the microstructure,the composition,the friction temperature andthe form of a new kind of friction materialwhich is a glass fibre resin friction materials(GFRF)are studied through a series of testson machine as EPMA,STM,DTG-DTA,anoptical......
Manufacturing Microporous Foam Zinc Materials with High Porosity By Electrodeposition田庆华摘 要:In order to get foam zinc materials of porous metal electrode,a novel method for preparing foam zinc was proposed,in which the polyurethane foam with diameter of 0.3 mm as substrate was processed by degreasing,roughening,activating,electroless plating......