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reasons. Firstly, particle size was reduced and the contact areas of graphite and ilmenite were increased in the milling process. Secondly, the activation energy of solid state reaction can be reduced... Jing, GUO Z-xiao. Influence of high energy ball milling on the carbothermic reduction of ilmenite [J]. Materials Science Forum, 2003, 437-438: 105-108. [19] WHITE G V, MACKENZIE K J D, BROWN I W M......
, Guilin University of Electronic Technology, Guilin 541004, China) Abstract: The Nd11.76Fe82.36B5.88 and Nd11.76Fe77.36Cr5B5.88 powders were prepared by the high-energy ball milling and following heat..., while the dielectric loss will decrease. Key words: magnetic heat treatment; absorbing material; reflectivity; high energy ball milling 磁场热处理是在磁场中进行热处理的一种工艺,它利用外加磁场高强度的能量无接触地传递到物质的原子,改变原子的排列,匹配和迁移等行为......
Fabrication of Lead Zirconate Titanate Powder Using Ultrasonic Ball Milling Technique Wandee Thamjaree1,W. Nhuapeng1,T. Tunkasiri1 (1.Department of Physics, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand) 摘要:In this research, the ultrasonic ball milling technique has been used to fabricate lead zirconate titanate (PZT) ceramics.PZT with the composition nearly......
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2H); Trituration of micrograded tungsten carbide by high energy ball milling Abstract: The ultrafine tungsten carbide was prepared directly from micrograded raw products by high energy ball milling. The average particle size reaches its minimum at 0.4 μm after milling for 80 h, while the crystallite size reaches 10 nm. It means the as prepared WC particles......
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Article ID: 1003-6326(2005)06-1315-07 Simulation of 3D chip shaping of aluminum alloy 7075 in milling processes DONG Hui-yue(董辉跃)1, KE Ying-lin(柯映林)2 (1. College of Mechanical and Energy... an equivalent geometry model of machining process and considering thermo-plastic properties of the work material, a finite element method(FEM) to study oblique milling process of aluminum alloy with a double......
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. The conclusions can be drawn as follows: 1) high energy ball milling inhibits martensitic transformation of NiMnGa alloys; 2) ball milling does not destroy ferromagnetic transition of NiMnGa alloys; 3... Effect of post annealing on phase transformation of Ni-Mn-Ga ferromagnetic shape memory alloy particles prepared by ball milling TIAN Bing(田 兵), CHEN Feng(陈 枫), LI Li(李 莉), ZHENG......