Home

Research papers on friction stir welding

Friction stir welding is a solidstate process that could be beneficially used for joining and repair of light metal alloys in transportation and defense applications. In this study, various applications, processes, and resulting properties of friction stir welding process parameters such as welding speed tool, rotational speed and axial load on tensile strength of friction stir welding were studied.

They found that, rotational speed of 675 rpm, welding speed of 40 mmmin and axial force of 1500 N produce superior tensile strength in scope of experiments.

Friction stir welding, which is regarded as an autogenous, keyhole joining technique fills the void where other joining techniques becomes difficult to implement [4. Solidstate welding processes are ideally suited for welding of dissimilar aluminium alloys. Friction Stir Welding produces stronger weldsthat are easier to makethe External Tank Project Managers chose to use the process on its Super Light Weight Tank, which is made from AlLi 2195.

The Friction Stir Welding process produces a joint stronger than the fusion arc welded joint, obtained in the earlier Light Weight Tank program. Friction stir welding (FSW) is a solidstate welding process that gained much attention in research areas as well as manufacturing industry since Keywords Friction stir welding, metal flow, process parameters, mechanical properties.

I. INTRODUCTION A method of solid phase welding, which permits a wide range of parts and geometries to be welded are called Friction Stir Welding (FSW), was invented by Research papers on friction stir welding. Thomas and his colleagues at The Welding Institute (TWI), UK, in 1991. This paper discuss about the friction stir welding of joining heat treatable aluminium alloys for aerospace and friction at the shoulder and to a lesser extent at the pin Friction Stir Butt Welding.

International patent Application PCTGB. GB ANALYSIS AND DESIGN OF FRICTION STIR WELDING variety of research channels. It is a solidstate This form of joining is most suited to material which is in rod or pipe form. It Research Paper. 234 Int. J. Mech. Eng. & Rob. Res. 2013 A M Khourshid and I Sabry, 2013 involves rotating or oscillating one rod whilst Friction stir welding is therefore both a deformation and a thermal process, even though there is no bulk fusion.

The maximum temperature reached is a matter of some debate. Thermocouple measurements during FSW of aluminium alloys suggest that, in general, the temperature stays below 500C. Number size and particle mass distributions were measured from welding fumes generated near the arc (30 cm) and farther from the arc (200 cm) to assess the degree of welder exposure. by WL. G. Cena et al. Friction stir welding has better mechanical properties in comparison with other welding process in the zone. The present work focus to find the optimal combinations of Friction Stir Welding (FSW) is fairly a recent technique that uses a non consumable rotating welding tool to generate frictional heat and plastic deformation at the welding location while the material is in solid state.

The principal advantages are low distortion, absence of melt related defects and high joint strength. Analytical Modeling of the Friction Stir Welding Process Using Different Pin Profiles An analytic model is developed for heat generation from using different pin configurations. by V. S.

Gadakh et al. Research Paper EXPERIMENTAL STUDIES ON FRICTION STIR WELDING OF AA2011 AND AA6063 ALUMINIUM ALLOYS L. Karthikeyan 1 M. Puviyarasan 2 S. Sharath Kumar3 B.

Balamugundan 2 Address for Correspondence 1Professor, 2Associate Professor, 3Graduate Student, Department of Mechanical Engineering,