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of the sheet metal is significantly improved. In order to fabricate thin-walled rotary parts with great drawing ratio and complex cross-sections, a finite element model based on the material property test... on sheet metal was designed and manufactured. Typical parts, such as conical, parabolic, cylindrical and square-box-shaped components, were successfully trial-produced as well. According......
Microstructure and mechanical properties of Mg-Gd-Y-Zr alloy cast by metal mould and lost foam casting LI Ji-lin, CHEN Rong-shi, KE Wei State Key Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China Received 25 September 2010; accepted 20 December 2010 Abstract: The microstructure and mechanical properties......
Improvement of Drill Performance in Metal Cutting Using MoST Solid Lubricant Coatings S. Hickman1,N.R. Thomas1,D.G. Teer1,S. Yang1 (1.Teer Coatings Ltd., West Stone House, West Stone, Berry Hill Industrial Estate, Droitwich, WR9 9AS, UK) 摘要:Coated tools are widely used in today''s metal cutting industries and have significantly improved machining productivity through reducing operation costs......
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of metal and metal oxide, hydrometallurgy of chalcopyrite and metallic oxidized ore, and extraction and separation of metal ions, are introduced. Key words: ionic liquids; hydrometallurgy; nonferrous metals; metal oxides; mineral processing;extraction and separation of metal ions  ......
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Dissolution kinetics of low grade complex copper ore in ammonia-ammonium chloride solution LIU Wei(刘 维), TANG Mo-tang(唐谟堂), TANG Chao-bo(唐朝波), HE Jing(何 静), YANG Sheng-hai(杨声海),YANG Jian-guang(杨建... complex copper ore was investigated in ammonia-ammonium chloride solution. The concentration of ammonia and ammonium chloride, the ore particle size, the solid-to-liquid ratio and the temperature......
. This indicates that Sb and O take part in the process of the films forming. PMA/SbBr3 inhibitor is a mixture of complex transitional metal anion and compound SbBr3. PMA is a heteropoly complex anion and its... Metal Elements [P]. US 6004475, 1999. [14]Verma, Shyam Kumar, Mekhjian, et al. Corrosion Inhibiting Solutions and Processes for Refrigeration Systems Comprising Heteropoly Complex Anions......
) are relatively new rapid, additive manufac- turing technologies which can allow for the fabrication of complex, multi-functional metal or alloy monoliths by CAD-directed, selective melting of precursor...Metal Fabrication by Additive Manufacturing Using Laser and Electron Beam Melting TechnologiesLawrence E. Murr1,2,Sara M. Gaytan1,2,Diana A. Ramirez1,2,Edwin Martinez1,2,Jennifer Hernandez1,2,Krista......
Role of ore mineralogy in optimizing conditions for bioleaching low-grade complex sulphide ores P. A. OLUBAMBI1, 2, S. NDLOVU1, J. H. POTGIETER1, J. O. BORODE2 1. School of Chemical...; Abstract: The role that ore mineralogy plays in understanding and optimizing the conditions favouring the bioleaching of complex sulphide ore containing......