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J. Cent. South Univ. (2012) 19: 2434-2439 DOI: 10.1007/s11771-012-1293-x Preparation of titanium powders by calciothermic reduction of titanium dioxide WAN He-li(万贺利)1,2,3,4, XU Bao-qiang(徐宝强... for titanium powders production, a calciothermic reduction process of pigment titanium dioxide (w(TiO2)>98%), based on the preform reduction process (PRP), was investigated by means of XRD, SEM and EDS......
Synthesis of Neodymium-Doped Yttrium Aluminum Garnet (Nd∶YAG) Nano-Sized Powders by Low Temperature Combustion Zhang Huashan1,Su Chunhui1,Hou Zhaoxia1,Han Hui2 (1.School of Materials and Chemical...:The homogeneously dispersed, less agglomerated (Nd0.01Y0.99)3Al5O12 nano-sized powders were synthesized by the low temperature combustion (LCS), using Nd2O3, Y2O3, Al(NO3)3·9H2O, ammonia water and citric acid......
Effects of Heat-treatment on Microstructure and Magnetic Properties of Ba Ferrite Ultrafine Powders Prepared by Sol-gel ZHENG Jia-sheng1,Zhu Mei-wu2,KONG Xiao-dong2 (1.Materials College, Huazhong University of Science and Technology, Wuhan, China;2.Basic Department,Naval University Engineering Wuhan,China) 摘要:Barium (Bag) ferrite ultra fine powders were synthesized by using sol-gel in which......
Synthesis and Characterization of Gadolinium Doping M-type Hexagonal Barium Ferrite Ultrafine Powders 郭睿倩1,顾明元1,陈亚杰3,梁乐1,孙培梅4,金燕萍1,李洪桂4 (1.State Key Laboratory of MMCs, Shanghai Jiaotong University... and Engineering, Central South University, Changsha 410083, China) Abstract:The hexagonal BaGdxFe12-xO19 (x=0.1~1.0) nano-sized powders with M-type structure were synthesized by the sol-gel auto......
,形成W的过饱和固溶体.Cr含量不同的W-Cr粉末完全合金化均经过4个阶段. 关键词:WCr合金粉末;机械合金化;Cr含量 中图分类号:TM 201.4 文献标识码:A Preparation of W-Cr nano alloying powders with different Cr contents by mechanical...) Abstract: The W-Cr nano alloying powders with the composition of W-8%Cr, W-12.5%Cr and W-20%Cr (mass fraction) were prepared by mechanical alloying. The phase structure, grain size and micro-strain......
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Synthesis and Characterization of Er3+∶Y3Al5O12 Nanocrystalline Powders Prepared by Sol-Gel Method Song Jian'an1,Duan Xiulan1,Wang Lihua1,Yuan Duorong1,Shi Xuzhong1,Li Zhanfa1 (1.State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China) Abstract:Nano-sized Er3+∶Y3Al5O12 powders was successfully prepared via a simple sol-gel route at as low a temperature at 800......
Preparation and Sinterability of Mn-Zn Ferrite Powders by Sol-Gel Method Wu Ze1,Han Zhidong1,Dong Limin1,Zhang Yaoming1,Zhang Xianyou1 (1.College of Materials Science and Engineering, Harbin... homogeneous. Sintering behaviors of synthesized ferrite powders depend on the powder characteristics and high temperatures have induced the good crystallization of particles. Key words:sol-gel; Mn-Zn......