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New Developments of Tungsten Technology in ChinaZuo Tieyong Zhao Qinsheng Li Songren Wang Jiuru Central South University of Technology,Changsha,China摘 要:<正> I.IntroductionIt is well known that China is rich in natural resources of tungsten.Before 1949 there was al-most no tungsten industry in our country except mining and ore dressing.Tremendous......
; 文献标识码: A Research process and new technology of magnesium alloy in Japan JI Ze-sheng1, 2 (1. School of Materials Science... on. Key words: magnesium alloy; process; new technology 镁作为21世纪轻量化材料, 因其密度小(1.74g/cm3), 比强度高, 可再生利用且电磁屏蔽性能优良, 使其使用量不断增加. 镁合金作为数码照相机, 摄像机, 手机壳体, 笔记本电脑壳体及其它电子产品壳体和汽车零件材料越来越受到人们的关注. 继欧美之后, 日本是镁......
NEW FLOTATION TECHNOLOGY OF REFRACTORY GRAPHITE ORES IN PINGHE MINE黎军,李继业摘 要:<正>Pinghe graphite of Sichuan Province is the fine graincrypto-crystal mixed refractory graphite ores.This paper introduces a newflotation technology on this kind of ores of one time rough grinding-rougher flotation-scavenger flotation-five times regrindings......
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EXPERIMENTAL STUDIES OF NEW TECHNOLOGY ON HIGH GLOSSINESS GRANITE SURFACE金有道摘 要:<正> On the basis of analysing thecharacter of granite and its polishingtechnology,the authors have manufactureda kind of polishing disk to polish graniteand good results have been obtained.Through studying the polishing process ofgranite in theory and experiment......
NEW ACHIEVEMENTS ON THE THEORY AND TECHNOLOGY OF EXPLOSIVE WELDING Y.H.Wang1,C.H.Zhou1,L.G.Cai1,C.G.Shi1 (1.Engineering Institute of Engineering Corps, PLA University of Science and Technology, Nanjing 210007, China) Abstract:There are four new achievements of this work on the theory and technology of explosive welding.(1) It has been found and defined three kinds of bonding interfaces: big......
Waveforms analysis and optimization of new electro-hydraulic excitation technologyHAN Dong(韩冬), GONG Guo-fang(龚国芳), YANG Hua-yong(杨华勇), LIU Yi(刘毅), LIAO Xiang-ping(廖湘平) (State Key Laboratory of Fluid Power Transmission and Control (Zhejiang University), Hangzhou 310027, China)Abstract:A new electro-hydraulic exciter that consists of rotary valve and micro-displacement double-functioned hydraulic......
New technology for brazing aluminum clustered tube of refrigeratorHE Peng(何 鹏)1, FENG Ji-cai(冯吉才)1, YU Ze-xing(余泽兴)2, JIA Jin-guo(贾进国)2, MAI Han-hui(麦汉辉)2(1. State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China;2. Shenzhen Bao an Lianhua Industry Co. Ltd, Shenzhen 518106, China)Abstract:The feasibility of high frequency induction......
Technology of antique imitation for surface of nonmetal artworks ZHAO Zi-yu(赵紫玉), ZHANG Su-zhi(张素芝), FANG Jian-cheng(方建成) College of Mechanical Engineering and Automation, Huaqiao University... by the surface deposition and surface coloring processing. By using this technology, the problems of difficulty-to-plating copper and difficulty-to-archaizing for the large outdoor sculptures and other artworks......
Developments of New Sheet Metal Forming Technology and Theory in ChinaShi-Hong Zhang,Shuai-Feng Chen,Yan Ma,Hong-Wu Song,Ming ChengInstitute of Metal Research, Chinese Academy of Sciences摘 要:Developments of new sheet metal forming technology and theory in China are reviewed in detail in this paper.Advances of crystal plasticity on the deformation......
