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作者:Lochan Sharma , Jagdish Kumar , Rahul Chhibber
来源:[J].Ceramics International(IF 1.789), 2020, Vol.46 (6), pp.8111-8121
摘要:Abstract(#br)In present study, the wettability behaviour of basic submerged arc welding fluxes for the CaO–CaF 2 –SiO 2 & CaO–SiO 2 –Al 2 O 3 welding flux system was studied by measuring the contact angle between the solid/liquid interfaces. Twenty-one submerged arc welding...
作者:Zhifen Zhang , Wenjing Ren , Zhe Yang ...
来源:[J].Measurement(IF 1.13), 2020, Vol.156
摘要:Abstract(#br)Accurate on-line weld defect detection in robotic arc welding manufacturing is still challenging, due to the complexity and diversity of weld defects. In this study, a new real-time defect identification method is proposed for Al alloys in robotic arc welding, using ...
作者:Tian Qing Li , Lu Chen , Yu Zhang ...
来源:[J].International Journal of Heat and Mass Transfer(IF 2.315), 2020, Vol.150Elsevier
摘要:Abstract(#br)Establishing an open keyhole throughout work-piece is the key to penetrate work-piece fully in gas focusing plasma arc welding. In order to study heat transfer, metal flow and keyhole surface evolution in gas focusing plasma arc welding, the three dimensional mathema...
作者:J.P. Oliveira , T.M. Curado , Z. Zeng ...
来源:[J].Materials & Design, 2020, Vol.189
摘要:... In this work, gas tungsten arc welding of as-rolled CrMnFeCoNi high entropy alloy sheets was performed. The microstructural characterization encompassed the use of electron microscopy, including electron backscattered diffraction, synchrotron X-ray diffraction analysis, micro...
作者:B.A. Kessal , C. Fares , M. Hadj Meliani ...
来源:[J].Engineering Failure Analysis(IF 0.855), 2020, Vol.107Elsevier
摘要:Abstract(#br)The Stress Corrosion Cracking (SCC) at weld joints is greatly defined by the input parameters used in the welding process. All the output parameters such as corrosion current, corrosion potential and residual stresses, etc., depend on the input welding parameters and...
作者:Lin Wang , Ji Chen , ChuanSong Wu ...
来源:[J].Journal of Materials Processing Tech.(IF 1.953), 2020, Vol.282Elsevier
摘要:Abstract(#br)A self-designed external compound magnetic field assisted gas metal arc welding process was developed to suppress the weld bead defects in high-speed welding. A comprehensive numerical model containing the arc and filler metal was proposed to investigate the influenc...
作者:Fiona F. Chen , Junting Xiang , David G. Thomas ...
来源:[J].Applied Mathematical Modelling(IF 1.706), 2020, Vol.81, pp.386-400Elsevier
摘要:Abstract(#br)This paper presents a model-based parameter optimization for simulating a metal-inert gas welding process. The computational model used in this study is based on computational fluid dynamics methods and implemented using the finite volume approach on a 3D computation...
作者:Xiangmeng Meng , Guoliang Qin , Ran Zong
来源:[J].International Journal of Thermal Sciences(IF 2.47), 2018, Vol.134, pp.380-391Elsevier
摘要:Abstract(#br)An unusual type of humping defect with periodic humped region and perforated region may occur in high-speed full penetration GTAW, which deteriorates the homogeneity of weld property seriously. In this paper, the thermal behavior and fluid flow during full penetratio...
作者:Yangyang Zhao , Hyun Chung
来源:[J].International Journal of Heat and Mass Transfer(IF 2.315), 2017, Vol.111, pp.1129-1141Elsevier
摘要:Abstract(#br)Gas metal arc welding (GMAW) using an alternating current waveform is usually termed as variable polarity GMAW (VP-GMAW), during which the electrode polarity switches between positive and negative periodically. The arc properties and the droplet transfer in VP-GMAW w...
作者:Changjian Xing , Chuanbao Jia , Yanfei Han ...
来源:[J].International Journal of Heat and Mass Transfer(IF 2.315), 2020, Vol.153
摘要:Abstract(#br)Based on the VOF method, a three-dimensional numerical analysis model coupling both droplets and arc behaviors is developed to simulate the metal transfer and arc plasma flow processes in underwater wet flux-cored arc welding. The relationships between several phys...

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