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Optimizing pulsed current gas tungsten arc welding parameters of AA6061 aluminium alloy using Hooke and Jeeves algorithm S. BABU1, T. SENTHIL KUMAR2, V. BALASUBRAMANIAN1 1. Centre for Materials... is frequently constant current gas tungsten arc welding (CCGTAW), it resulted in grain coarsening at the fusion zone and heat affected zone(HAZ). Hence, pulsed current gas tungsten arc welding(PCGTAW......
Si diffusion behavior during laser welding-brazing of Al alloy and Ti alloy with Al-12Si filler wire CHEN Shu-hai(陈树海), LI Li-qun(李俐群), CHEN Yan-bin(陈彦宾), LIU De-jian(刘德健) State Key... (Ti-6Al-4V) with rectangular CO2 laser spot and with Al-12Si filler wire, element Si enriches at the interface between Ti substrate and the filler metal. It is found that the Si diffusion behavior has......
THE INVESTIGATION ON PLASMA ARC TREATMENT OF CHROMIUM PLATED ALLOY STRUCTURE STEEL K.H. Wang1,J.W. Huang1,Q.Liu1,X.M. Fan1 (1.Department of Materials Science and Engineering, Nanjing University of Science and Technology,Nanjing 210094, Ghina) Abstract:The technology of plasma arc was used to modify the interface adhesion between chromium coating and steel substrate. The interface......
Microstructure and properties of TiN/Ni composite coating prepared by plasma transferred arc scanning process WANG Wei(王 伟), QIAN Shi-qiang(钱士强), ZHOU Xi-ying(周细应) School... speed jet electroplating and then processed with plasma transferred arc(PTA) scanning process. The microstructure, microhardness and friction coefficient of PTA scanning treated specimens were......
Interface Behavior of Copper and Steel by Plasma-MIG Hybrid Arc WeldingTao YANG,Hongming GAO,Shenghu ZHANG,Lin WUState Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology摘 要:Plasma-MIG hybrid arc welding is a hybrid heating source welding method which is composed of plasma arc and MIG arc. During Plasma-MIG hybrid arc welding......
Welding of Ti-6Al-4V alloy using dynamically controlled plasma arc welding process CHEN Jian-chun, PAN Chun-xu Center for Electron Microscopy, School of Physics and Technology, Wuhan University, Wuhan 430072, China Received 20 August 2010; accepted 7 April 2011 Abstract: A novel dynamically controlled plasma arc welding process was introduced, which is able to minimize heat input......
welded by the gas metal arc welding cold metal transfer method [J]. Materials & Design, 2011, 32: 5120-5126. [8] Verma R P, Pandey K N, Sharma Y. Effect of ER4043 and ER5356 filler wire... modifier. Key words: AA4043 welding wire; titanium; strontium; modification; gas tungsten arc welding; microstructure; mechanical properties 1 Introduction 6000 series aluminum alloys are used extensively......
Microstructure and Wear Performance of High Volume Fraction Carbide M7C3 Reinforced Fe-based Composite Coating Fabricated by Plasma Transferred Arc Welding袁有录1,2,李铸国21. School of Materials Science... arc(PTA) welding was studied. The results showed that the volume fraction of carbide M7C3 was more than sixty percent, and the relative wear resistance of the coating tested on a block-on-ring dry......
; temperature and velocity fields 1 Introduction Gas metal arc welding (GMAW) is one of the fusion welding processes in which consumable wire electrodes constantly feed to the arc by a constant speed. The heat of the arc causes the wire at the electrode tip to melt off as droplets. The metal droplets transfer from the filler wire to the weld pool through the arc. The molten metal collects in the weld pool......
Wire and arc additive manufacturing of 4043 Al alloy using a cold metal transfer methodZhi-qiang Liu1,2,Pei-lei Zhang1,2,Shao-wei Li1,2,Di Wu1,2,Zhi-shui Yu1,21. School of Materials Engineering... characterized. Experimental results showed that welding at a speed of 8 mm/s and a wire feeding speed of 4.0 m/min was suitable to manufacture thin-walled parts, and the reciprocating scanning method......