مقاله جوشکاری با عنوان : Finite element analysis of resistance spot welding process Guo Zhong چکیده : A coupled finite element model is developed toanalyze the transient thermal and mechanical behaviors ofResistance Spot Welding (RSW) process using commercialsoftware ANSYS. A direct-coupled electrical-thermal FiniteElement Analysis (FEA) is firstly performed to simulate thetransient thermal characteristics of RSW process. The thermalhistory of the whole ...
مقاله جوشکاری با عنوان : Electrical contact resistance effect on resistance spot welding P.S. Wei a,., T.H. Wub چکیده : The effects of local electrical contact resistance on transport variables, cooling rate, solute distribution,and nugget shape after solidification responsible for microstructure of the fusion zone during resistancespot welding are realistically and systematically investigated. The model accounts for electromagneticforce, heat generation ...
مقاله جوشکاری با عنوان : New parametric study of nugget size in resistance spot welding process using finite element method Hamid Eisazadeh a,*, Mohsen Hamedi b, Ayob Halvaee چکیده : Resistance spot welding process (RSW) is one of important manufacturing processes in automotiveindustry for assembling bodies. Quality and strength of the welds and therefore body mainly are definedby quality of the weld nuggets. The most effective parameters in this ...
مقاله جوشکاری با عنوان : Welding time effect on mechanical properties of automotivesheets in electrical resistance spot welding S. Aslanlar a,*, A. Ogur b, U. Ozsarac a, E. Ilhan a چکیده: In this study, the effects of welding time on the tensile-peel strength and tensile-shear strength of welding joints in electrical resistancespot welding of chromate micro-alloyed steel sheets having 1.2 mm thicknesses were investigated. A timer and current controlled ...
مقاله جوشکاری با عنوان : Effects of Welding Parameters and Surface Pretreatments on ResistanceSpot Welding of AZ31B Mg Alloy Shiquan Zhou1, Lei Liu2,3, Jae Pil Jung4,*, Mok-Young Lee5, and Y. Norman Zhou3 چکیده : The resistance spot weldability of AZ31B magnesium alloy using AC (alternating current) was investigatedin this paper. The surfaces of sheet coupons were prepared by acetone cleaning (as-received) and some couponswere also cleaned with chromic acid (H2Cr2O7) ...
مقاله جوشکاری به عنوان : FINITE ELEMENT MODELING OF RESISTANCE SPOT WELDINGPROCESSP. Chigurupati*, B.K Chun, A. Bandar, W.T WuScientific Forming Technologies Corporation2545 Farmers Drive, Suite 200, Columbus, OH 43235, USA چکیده: ABSTRACT: Weld quality in Resistance Spot Welding is directly influenced by competing process transients. Thesetransients are caused by electrical, thermal, mechanical and metallurgical interactions. Controlling the process ...
مقاله جوشکاری با عنوان: RESISTANCE SPOT WELDING OF MAGNESIUMALLOY SHEETS WITH COVER PLATES S. Satonaka, C. Iwamoto, G.-i. Murakamiand Y. Matsumoto چکیده مقاله: Lightweight materials such as high-strength steels and aluminum alloys are widely used in automotive componentsfor the purposes of weight reduction and consequent higher fuel effi ciency. As new alloys have beendeveloped, magnesium alloys have become attractive for the production of automotive components ...
مقاله شبیه سازی جوشکاری مقاومتی نقطه ای با عنوان : THE FINITE ELEMENT MODELING OF RESISTANCE SPOT WELDING قسمتی از چکیده: THE FINITE ELEMENT MODELING OF RESISTANCE SPOT WELDING V. Gohil *, S. M. Patel sharp ABSTRACT Resistance spot welding process is the most significant joining process in the automobile industry due to its high speed and suitability for automation. One of the recent demands in the ...
1395/04/04
1395/04/04