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materials for aluminum electrolysis need not only good corrosion resistance to the molten salts and thermal stability at high temperature, but also high electrical conductivity and good mechanical...J. Cent. South Univ. Technol. (2008) 15: 743-747 DOI: 10.1007/s11771-008-0137-1 Effect of CaO doping on corrosion resistance of Cu/(NiFe2O4-10NiO) cermet inert anode for aluminum electrolysis LAI......
characteristics of barium sulfate in stirred reactor using electrical resistance tomography LIU Xin, JIN Haibo, YANG Bei, YANG Suohe, HE Guangxiang (Department of Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China) Abstract: The barium sulfate crystallization behavior was researched by measuring the solution conductivity changes with electrical resistance tomography......
Article ID: 1003-6326(2005)06-1219-07 Electrode degradation mechanism during resistance spot welding of zinc coated steel using Cu-TiB2 electrodes DONG Shi-jie(董仕节)1, ZHOU Norman2, CHENG... Engineering, Tsinghua University, Beijing 100084, China) Abstract: The TiB2 dispersion-reinforced copper-matrix composite used as electrode material in resistance spot welding of zinc coated steels......
resistance immediately, but no changes were detected under lower currents. Under the repeated cyclic strain, the peak value of the electrical resistivity of each cycle increased with the test cycle...The Electrical Conductive Effect of Nickel-coated Graphite/Two-component Silicone-rubber Sealant胡圣飞1,2,LI Hui1,CHEN Xiangxing1,ZHANG Chong1,LIU Zuifang1,31. School of Materials Science......
Trans. Nonferrous Met. Soc. China 22(2012) 1106-1111 Electrical and mechanical properties of Cu-Cr-Zr alloy aged under imposed direct continuous current WANG Zhi-qiang, ZHONG Yun-bo, RAO Xian-jun... Abstract: The Cu-Cr-Zr alloys were aged at different temperatures for different time with different current densities. The results show that both the electrical conductivity and hardness are greatly......
:TG174 文献标志码:A Effects of electrical parameters on microstructure and corrosion resistance of micro-arc oxidation coatings on AZ91D magnesium alloys MA Ying1, 2, ZHAN Hua1...; micro-arc oxidation; electrical parameters; pore size; porosity ; corrosion resistance 镁合金是最轻的金属结构材料,具有良好的减震性,强电磁屏蔽性,尺寸稳定性和易于回收利用等优点,但由于其自身的氧化膜疏松多孔而无自保护功能,因此必须对其进行适当的表面防腐处理后才能使 用 [1-3].近年来......
Effect of electrical current on tribological property of Cu matrix composite reinforced by carbon nanotubes XU Wei1, 2, HU Rui1, LI Jin-shan1, FU Heng-zhi1 1. State Key Laboratory... condition. The effect of electrical current on tribological property of the materials was investigated by using a pin-on-disk friction and wear tester. The results show that the friction coefficient......
Cr12MoV冷作模具钢在深冷处理过程中的相变研究李向军1,李绍宏1,闵永安1,吴晓春1(1.上海市上海大学材料科学与工程学院)摘 要:采用DSC热分析及电阻测定等物理测试手段,对Cr12MoV钢在深冷处理过程中的相变进行了研究.结果表明,经冷处理后的试样在加热过程中有更多的碳化物析出,经过-196℃深冷处理的比-79℃冷处理的析出量更多.深冷处理促使残余奥氏体进一步向马氏体转变以及碳化物析出,是提高冷作模具钢尺寸稳定性和耐磨性能的一种有效措施. 关键词:Cr12MoV......
J. Cent. South Univ. (2012) 19: 299-303 DOI: 10.1007/s11771-012-1004-7 Negative differential resistance behavior in doped C82 molecular devices XU Hui(徐慧)1, JIA Shu-ting(贾姝婷)1, CHEN Ling-na(陈灵娜)1, 2... resistance (NDR) behavior can be observed in certain bias regions for C82 and C80BN molecular devices but cannot be observed for C80N2 molecular device. A mechanism for the negative differential......
无取向电工钢无铬绝缘涂层的制备及性能朱涛1,2,孙致平2,陈其安0,董梅1,裴陈新2(1.北京市钢研科技集团公司2.安徽省马鞍山市马鞍山钢铁股份有限公司)摘 要:以无铬绝缘涂料为原料,利用涂层机组制备了无取向电工钢无铬绝缘涂层.采用扫描电镜,能谱,辉光光谱等测试方法分析了涂层表面形貌,元素成分及涂层厚度.通过调整涂辊压力,SF段张力,涂层层间电阻可控制在800Ω·mm2/片左右以保证良好的绝缘性.无铬绝缘涂层中不含有毒的Cr6+,符合RoHS指令的环保要求,其综合性能可满足无取向电工钢的应用要求.......
