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Oxidation Properties of Silver Alloy Powders and Microstructures of Oxidized Powders for Making Electrical Contact Composites周继扣,马福康,刘茂林摘 要:OxidationPropertiesofSilverAloyPowdersandMicrostructuresofOxidizedPowdersforMakingElectricalContactCompositesZhouJikou(周继扣),M...关键词:......
TEM microstructure of mechanically alloyed Ti-12Mg powders T. S. KIM1, B. T. LEE2, J. P. AHN3, J. K. PARK3, J. C. BAE1 1. Nanomaterials Team, Korea Institute of Industrial Technology, Techno... of Science and Technology, Seoul 136-791, Korea Received 20 April 2006; accepted 30 June 2006 Abstract: The microstructures of mechanical alloyed(MA) Ti-12%Mg alloy powders were examined using a high......
Hydrothermal synthesis of Ce: Lu_2SiO_5 scintillator powders SHI Ying1,XIE Jianjun1,YUN Ping1,ZHOU Ding1 (1.Department of Electronics and Information Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China) Abstract:The synthesis of cerium-doped lutetium oxyorthosilicate (LSO) polycrystalline powders was investigated by a hydrothermal proc-ess......
RESEARCH ON PREPARATION OF ULTRAFINE ALN POWDERS曹立宏,袁润章,汤宇凌,卓云峰摘 要:<正>The high purity of ultrafine power(UFP)of a-luminium nitride(AlN) are prepared by the reaction of nitrogenplasma with metal aluminium in D.C.plasma reactr.Both thenitriding principle and the AlN nucleation mechanism are stud-ied.The rusults,indicate that the chemical reaction......
GRAIN GROWTH IN NANOSIZE AIN POWDERS曹立宏,欧阳世翕,关波摘 要:<正>The nanosize AlN particles wereprepared by evaporation-condensation method in DCarc nitrogen plasma. Aluminium of high purity(99. 999% ) was evaporated and nitrided in nitro-gen plasma by use of high temperature and high re-activity of plasma gas. The purity of nanosize AlNparticles is more......
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Refinement of Melt-Spun Quenching NdFeB Powders by Ball Milling郑精武1,姜力强1,乔梁11. College of Chemical Engineering and Materials Science, Zhejiang University of Technology摘 要:Melt-spun quenching NdFeB powders were treated through mechanical ball-milling. Their microscopic images and performance before and after the milling were observed. Microstructures......
="ChDivSummary">The powders of pure Al, Fe, and Zr for preparing Al78Fe20Zr2 were subject to a high-energy planetary ball milling.The microstructure evolution of the mixtures at the different intervals... of the amorphous powders and the formation of Al3Zr and Al13Fe4.The crystallization products caused by ball milling are almost the same as that produced by isothermal annealing of the amorphous powders in vacuum......
(LAS) powders were synthesized through various sol-gel processes using acrylamide,citrate-acrylamide,citrate-nitrate and nitrate gel routes.The mechanism of formation of LAS in all these four gel... homogeneous LAS powders.关键词:......