共搜索到10414条信息,每页显示10条信息,共1042页。用时:0小时0分0秒258毫秒
Grain Growth Behavior in Sintered Nd-Fe-B Magnets Zhou Shouzeng1,Liu Xianglian2 (1.State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China;2.School of Mechanical Engineering, Ningbo University of Technology, Ningbo 315016,China) Abstract:The Nd2Fe14B grain growth behavior in sintered Nd-Fe-B magnets was quantitatively......
超细 (纳米级) 颗粒材料的制备 (二) 赵谢群1,邱向东1,胡初潜1,张燕红1 (1.北京有色金属研究总院,北京100088) 摘要:The development of preparation methods of ultrafine powder made from liquid, gas, solid and mixed state materials was reviewed. The industrialization status of some ultrafine powder was also described. 关键词:Ultrafine particulate materials; Powder; Preparation; [全文内容正在添加中] ......
......
NANOSIZE EFFECT IN GRAIN BOUNDARY MIGRATION OF COPPER D.G.Li1,N.G.Zhou2,X.Q.Wei2,L.Zhou2 (1.Central Iron and Steel Research Institute, Beijing 100083, China;2.School of Materials Science and Engineering, Nanchang University, Nanchang 330047, China) Abstract:Molecular dynamics simulations of high temperature annealing of copper bicrystals have been carried out. The bicrystals have planar grain......
......
a characteristic trituration mechanism that the crystallite size of initial WC determines the final grain size. Keyword: ultrafine particles; high energy ball milling... 2H); Trituration of micrograded tungsten carbide by high energy ball milling Abstract: The ultrafine tungsten carbide was prepared directly from micrograded raw......
......
Solvothermal synthesis of grain size controlled nanocrystalline SnO2 XU Gang(徐 刚), XU Sheng-ming(徐盛明), CHEN Song-zhe(陈崧哲), WU Fang(吴 芳), LI Lin-yan(李林艳) Institute of Nuclear and New Energy... synthesis, nanocrystalline particle 1 Introduction In recent years, nanocrystalline materials with size-dependent optical, electronic and magnetic properties, due to the reduction of grain size......
evolutions of texture and grain boundary plane distributions in a ferritic stainless steelFANG Xiao-ying(方晓英)1, WANG Wei-guo(王卫国)1, GUO Hong(郭红)1, QIN Cong-xiang(秦聪祥)1, ZHOU Bang-xin(周邦新)2(1. School of Mechanical Engineering, Shandong University of Technology, Zibo 255049, China ;2. Institute of Materials, Shanghai University, Shanghai 200072, China)Abstract:The grain size, textures and grain......
......