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the electrical resistance at low temperature (233-293 K). The space of temperature is 10 K. The samples are 10 mm in length, 1 mm in width and thickness respectively. The measurements of the lifetime... strictly. The electrical resistivity of the specimens is 5.1×10-7Ω?m, larger than the coarse-grained Cu materials by a factor of 29, the mean lifetime of positron-annihilation is (172.8±0.8) ps. The cost......
Crystallization and Corrosion Resistance of (Fe0.78Si0.09B0.13)100-xNix (x=0,2 and 5) Glassy AlloysHaijian Ma1, 2), Weimin Wang 1), Jie Zhang 1), Guihua Li3), Chongde Cao4) and Hongdi Zhang 1) 1) Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China 2) School of Mechanical and Electrical Engineering......
Influences of Film Thickness on the Electrical Properties of TaN_x Thin Films Deposited by Reactive DC Magnetron SputteringHongchuan Jiang,Chaojie Wang,Wanli Zhang,Xu Si and Yanrong Li State Key... deposited on commercial polished Al2O3 ceramic substrates by reactive dc magnetron sputtering. The influences of the film thickness on the electrical properties of the samples were examined in detail......
the optimum processing conditions can reach 1×10-7 A/cm2,which is superior to the corrosion resistance of traditional MAO films.Key words:Mg alloy; fluotitanate; microarc oxidation; electrical parameter...电解液制备的微弧氧化膜的耐蚀性能.关键词:镁合金;氟钛酸盐;微弧氧化;电参数;原位封孔Optimization of electrical parameters of micro-arc oxidation using novel fluotitanate electrolyte on Mg alloysDONG Kai-hui1,SUN Shuo1,SONG Ying-wei2,SHAN......
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-Verlag Berlin Heidelberg 2016 Abstract: As an alternative power source for hybrid electrical vehicle(HEV), electric generating system(EGS) driven by sphere cam engine(SCE) is said to own higher power...; hybrid electrical vehicle; cam-roller mechanism; kinetic analysis 1 Introduction With more strict emission limits and eager expectation on higher fuel efficiency, pure electrical vehicles (EVs......
resistance. The abrasive wear with coating peelings is found to be the predominant wear mechanism at high applied loads. Key words: electrical discharge coating; titanium carbonitride; mechanical properties...Trans. Nonferrous Met. Soc. China 25(2015) 3716-3722 Friction and wear behaviors of TiCN coating based on electrical discharge coating Zhao-yubo ZENG, Hou-qun XIAO, Xiao-hua JIE, Yan-mei ZHANG School......
contradictory material properties, such as lightweight, high wear resistance, electrical conductivity, hardness and toughness. Functionally gradient materials (FGMs) fill the gap in materials science... of composition and microstructure along their thickness [13,14]. For electrical contacts, the hardness, wear resistance and thermal stability of the surface, as well as the electrical conductivity of bulk......
Effect of retained austenite and nonmetallic inclusions on the thermal/electrical properties and resistance spot welding nuggets of Si-containing TRIP steelsV.H.Vargas1,I.Mejía1,V.H.Baltazar... to correlate the retained austenite and nonmetallic inclusion content with their physical properties and the characteristics of the resistance spot welding nuggets. Electrical and thermal properties......