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Effect of the duty cycle of pulsed current on nanocomposite layers formed by pulsed electrodepositionM.Aliofkhazraei1,Sh.Ahangarani2,A.Sabour Rouhaghdam11. Department of Materials Engineering... layers were analyzed by scanning electron microscopy, atomic force microscopy, microhardness, and Tafel polarization tests.The effect of the duty cycle of pulsed current or concentration of carbon......
production is very high [4-6]. The process for preparation of nano-sized powders using this method is as follows. Metal wire is rapidly heated by a pulsed current, and turns into vapor and plasma... Measurement of metal vapor cooling speed during nanoparticle formation by pulsed wire discharge Yuu SHIKODA1, Yoshinori TOKOI2, Koji SUWA1, Satoru ISHIHARA3, Tsuneo SUZUKI1, Tadachika......
because of the electromagnetic force produced by the interaction of the pulsed magnetic field and the melt. When the pulsed magnetic field B is imposed to the melt, an induction current I will be produced... Microstructure refinement of AZ91D alloy solidified with pulsed magnetic field WANG Bin(汪 彬), YANG Yuan-sheng(杨院生), ZHOU Ji-xue(周吉学), TONG Wen-hui(童文辉) Institute of Metal Research, Chinese......
原因.而脉冲电解的电压比较平稳,几乎不随时间改变,且不同周期间的电压也基本一致.这意味着脉冲电解条件对改善阴极产物沉积有利. 图4 脉冲电解电流-时间示意图 Fig. 4 Schematic diagram of pulsed current vs time for electrodeposition 图5 脉冲电解(n=1,tc=20 min)和恒电流电解.... Key words: titanium; pulsed electrodeposition; molten electrolysis; cathode current efficiency Foundation item: Project(2012AA062302) supported by the High Technology Research and Development Program......
Microstructure refinement of AZ31 alloy solidified with pulsed magnetic field WANG Bin(汪 彬)1, YANG Yuan-sheng(杨院生)2, SUN Ming-li(孙明礼)1 1. College of Engineering, Zhejiang Normal University, Jinhua 321004, China; 2. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China Received 13 May 2010; accepted 25 June 2010 Abstract: The effects of a pulsed magnetic field......
Effect of pulsed current on temperature distribution, weld bead profiles and characteristics of gas tungsten arc welded aluminum alloy joints N. KARUNAKARAN1, V. BALASUBRAMANIAN2 1. Department..., Annamalai Nagar 608002, India Received 23 February 2010; accepted 23 April 2010 Abstract: Temperature distribution and weld bead profiles of constant current and pulsed current gas tungsten arc welded......
and pearlite fraction in the plain carbon steels has been investigated through the application of pulsed electric current. Based on immersion test and electrochemical measurement, pulsed electric current...Modification of Corrosion Resistance of the Plain Carbon Steels by Pulsed Electric CurrentJun-Yang Gao1,Xue-Bing Liu1,Hai-Fei Zhou2,Xin-Fang Zhang11. School of Metallurgical and Ecological......
, VLEUGELS J. Pulsed electric current sintering of electrically conductive ceramics [J]. Journal of Materials Science, 2008, 43(19): 6435-6440. [15] YAMAN B, MANDAL H. Spark plasma sintering of Co-WC... Microstructure and properties of ultra-fine tungsten heavy alloys prepared by mechanical alloying and electric current activated sintering LI Xiao-qiang(李小强), XIN Hong-wei(辛红伟), HU Ke(胡 可), LI......
Effect of process parameters of pulsed current tungsten inert gas welding on weld pool geometry of titanium weldsM.Balasubramanian1,V.Jayabalan2,V.Balasubramanian31. Department of Mechanical... current gas tungsten arc welded (GTAW) titanium alloy was analysed. Four factors, five levels, central composite design were used to develop empirical relationships, incorporating pulsed current......
-surface layers of pre-quenched W6Mo5Cr4V2high-speed steel (HSS) subjected to intensity pulsed ion beam (IPIB) melting have been investigated. The effect of IPIB high beam current density of 80A/cm2...The Effect of Intensity Pulsed Ion Beam Irradiation on Wear Resistance of High-speed Steel MA Teng-cai1,LIU Zhen-min1,WANG Ying-min1,HAO Sheng-zhi1,MEI Xian-xiu1 (1.State Key Laboratory......
