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Preparation of ZrO2 spherical nanometer powders by emulsion processing route CHANG Ying(常 鹰), LI Xi-bin(李溪滨) State Key Laboratory of Powder Metallurgy, Central South University, Changsha... was performed at 600 ℃ for 2 h, leading to tetragonal phase ZrO2 nanometer powders. The ZrO2 powders and the precursor powders were analyzed and characterized by means of TGA-DTA, XRD, TEM, BET......
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Research on PTFE Dispersions Filled with Nanometer ZnO Li Weijing1,Han Jianmin1,CUI Shihai1,Zhao Yang1,Wang Jinhua1,LI Ronghua1 (1.School of Mechanical,Electronic and Control Engineering,Beijing Jiaotong University,Beijing 100044,China) Abstract:PTFE dispersion composites filled with nanometer ZnO were successfully prepared by controlling stirring speed and using ultrasonic mixture......
on preparation of nanometer α-Al2O3 XIAO Jin(肖 劲), WAN Ye(万 烨), DENG Hua(邓 华), LI Jie(李 劼), LIU Ye-xiang(刘业翔) (School of Metallurgical Science and Engineering, Central South University, Changsha 410083... methods on preparation of nanometer α-Al2O3 were discussed, and the optimal drying method was confirmed. The structural properties of powders were characterized by XRD, SEM and BET measurements......
SrAl2O4:Eu, Dy Nanometer Phosphors Synthesized by Combustion Method Yan Changhao1,QIU Guanming2,Dai Shaojun3,Zhang Shengqu4,Sun Yanbin5,Zhang Ming1 (1.Department of Chemistry and Chemical...) Abstract:SrAl2 O4: Eu, Dy nanometer phosphors were synthesized by combustion method at 500 ~ 900℃, followed by heating the combustion sample at 1150℃ at a weak reductive atmosphere and nanometer......
PREPARATION OF NANOMETER ZINC OXIDE BY EVAPORATION METHOD Y.Fu1,A.A.A.Saleh1,Y.C.Zhai1,X.J.Zhai1 (1.School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China) Abstract:Nanometer ZnO particles were synthesized by evaporating of zinc powders of averageparticle size of 370μm studied by XRD, TEM and electron diffraction. The particleswere formed by the oxidation......
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STUDY ON NANOMETER ZINC PARTICLES FABRICATED BY GAS EVAPORATION METHOD Y.Fu1,A.A.A.Saleh1,Y.C.Zhai1,A.L.Zhang1,X.J.Zhai1 (1.School of Materials and Metallurgy, Northeastern University, Shenyang,110004, China) Abstract:Nanometer Zn particles with mean diameters 12-100nm made by evaporating its powders in argon gas were studied mainly by X-ray diffraction and electron microscopy.They......
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