نتایج جستجو برای: dissimilar resistance spot welding
تعداد نتایج: 432459 فیلتر نتایج به سال:
The pictures show the effect of magnetic fields in different directions, including welding direction, transverse, longitudinal and cusp fields, on shape arc molten pool. field can significantly affect morphology droplet transfer, as well macro microstructure weld bead. Further information be found article, number 2200682 by Yonghua Shi, co-workers.
This paper describes the development and evaluation of neural network-based systems for industrial welding process control and weld quality assessment. The developed systems utilize recurrent neural networks for process control and both recurrent networks and static networks for quality prediction. The first section describes a system capable of both welding process control and real-time weld q...
in this study, friction stir spot welding (fssw) is applied to join the tial6v4 titanium alloy with 1.5 mm thickness and then the effect of rotational speed and tool dwell time on microstructure and mechanical properties is investigated. in this regard, the speed of the tool rotation was considered as 800, 1000, and 1200 rpm, as well as the tool dwell time was set at 7 and 12s. microstructural ...
–Friction stir welding is a solid state welding technology used for welding low melting point metals, such as Al, Mg and its alloys. Later welding was conducted on dissimilar metals which also produced a better defect free joint. Tool design and welding parameters contributes a major role for producing a better weld. Material flow and friction heat are the factors that the internal factor for t...
the current work was carried out to characterize welding of aisi 310 austenitic stainless steel to inconel 657 nickel-chromium superalloy. the welds were produced using four types of filler materials; the nickel-based corresponding to inconel 82, inconel a, inconel 617 and austenitic stainless steels 310. of the two joints involved, this paper describes the choice of welding consumables for the...
Abstract Aiming at alloys commonly used in terminals, this paper studies the method of improving characterization performance spot welding section from perspective controlling process parameters. Using control experiment, by current, energization time, electrode pressure, and using coolant during welding, surface structure image maximum tensile-shear force curve were obtained, so as to obtain o...
In the study, effects of welding parameters on microstructure and mechanical properties electrical resistance spot welded TBF/DP600 steel sheets 1.2 mm thickness were investigated. TBF used in study was both with without electro-galvanized. Microhardness measurements tensile shear tests taken as basis determining properties, while optical microscope for microstructural characterization. The nug...
The distortion of laser welded titanium plates was assessed for different operating conditions of the laser welding device, and with different welding parameters (in terms of weld point and prewelding). In this study, Nd : YAG laser welding device was used to join the titanium plates. The results showed that distortion increased stepwise after each welding point along the welding zone (one-side...
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