TWI Digital Library

FSSW has been performed in two different automotive 1.5 mm-thick aluminium alloys– AA5754-H22 and AA6082-T6 in similar and dissimilar combination using different joining parameters (e.g. plunge rate, rotational speed and dwell time). Plunge depth ha…

WC, 12%Co cemented carbide layers were deposited onto M2 tool steel (0.8-0.88%C, 3.8-4.5%Cr, 4.7-5.2%Mo, 5.9-6.7%W, 1.7-2.1%V) substrates by HVOF spraying and the effect of subsequent friction stir processing (FSP) on bonding strength and cermet coa…

Friction stir welding (FSW) was employed to fabricate overlap joints in thin AA 7075-T6 aluminium alloy (Al, 5.1-6.1%Zn, 2.1-2.9%Mg, 1.2-2%Cu) sheets (thickness 0.8 mm) coated with an anticorrosive aluminium layer and the microstructure and mechanic…

A temperature monitoring system incorporating thermocouples mounted in the probe and shoulder was employed to measure the temperature of the rotating tool during the fabrication of dissimilar butt joints between A6005C aluminium alloy (Al, 0.5%Mg, 0…

Hot rolled AZ31 magnesium alloy plate of 6.3 mm thickness was friction stir welded (FSW) at rotation rates of 600-4000 rpm and a constant welding speed of 100 mm per minute and the microstructure and mechanical properties of the joints were investig…

A new aluminium-bodied, mid-engined AUDI sports car is the first serial application for friction stir welded tailored blanks worldwide. 6th International Symposium, 10-13 Oct 2006, Session 9B: Modelling II, Paper 03

Friction stir spot welding experiments were conducted in a cross-tension configuration on automotive grade A 6002-T4 sheets (thickness 1 mm) and the effect of pin and shoulder geometry on welded joint static strength was investigated. The welding pa…

Dissimilar joints between AA 6060-T5 aluminium alloy plates (thickness 6 mm) and Ti-6Al-4V titanium alloy sheets (thickness 2.5 mm) were fabricated by friction stir lap welding (FSLW) and the influence of interface microstructures on the value of ma…

With regard to the development of ausformed H13 tool steel for high strength friction stir welding (FSW) tools, an investigation was undertaken to explore methods to improve equal channel angle extrusion (ECAE) as the deformation step. Studies invol…

A coupled Eulerian-Lagrangian approach with Abaqus v.6.14 finite element software was employed to model the whole friction stir welding (FSW) process within one continuous model and results for temperature fields, surfaces, weld formation and proces…

The fatigue performance of friction stir welded butt joints in 2024-T3 aluminium alloy plate (thickness 6.35 mm) was investigated by adopting six different tool designs and using a design of experiments analysis over a wide range of process paramete…

A moving gantry five axis CNC friction stir welding (FSW) machine was developed to facilitate the production of complex curved fuselage components (e.g. stringer and frame) based on third generation 2A97 Al-Li alloys. A ribbed curved component incor…

In relation to the generation of oscillating process forces during friction stir welding (FSW), hypotheses covering phenomena that can lead to dynamic effects were formulated and a finite element model of the process-machine-system (containing both …

In order to understand the complex interactions between deformation, recrystallisation and precipitation induced during friction stir welding, two aluminium alloys were studied: a work hardened 5251-O alloy (Al, 2.2%Mg) and a precipitation hardened …

Friction stir welding trials, comprising double-sided butt welding of plates of thickness 10-11 mm, were conducted to investigate the weldability of copper and its alloys and to determine the correct process parameters (welding and rotation speeds) …

A computational fluid dynamics package, FLUENT, was used to model the viscous material flow during friction stir welding using two- and three-dimensional tool shapes. Two approaches were used to describe the viscosity. The first approach interpolate…

The friction stir welding of lap joints of aluminium alloy 6061 sheet of 3 mm thickness was monitored using a variety of sensors, to establish systems for weld quality control. A triaxial dynamometer measured the forces on the workpiece in three per…

A discussion is presented on the development of a FSW process for the welding of thin gauge aluminium alloy lap joints in the fuselage and wing sections of the Eclipse 500 twin-engine jet aircraft. The issues of pin tool geometry for use on lap join…

The effects of friction stir welding (FSW) on the corrosion resistance of aluminium alloys 2014A and 7075, both welded in the peak aged T651 condition, were studied. The effects of postweld heat treatment (retrogression and reageing treatment) were …

The microstructure, crystallographic texture and grain distribution were determined in a transverse cross section of a friction stir weld and in a plan-view section through the embedded friction stir welding (FSW) tool. The weld was obtained by FSW …