Influence of processing parameters on microstructure and mechanical performance of refill friction stir spot welded 7075-T6 aluminium alloy

2014 ◽  
Vol 20 (1) ◽  
pp. 48-57 ◽  
Author(s):  
Z. Shen ◽  
Y. Chen ◽  
J. S. C. Hou ◽  
X. Yang ◽  
A. P. Gerlich
Keyword(s):  
Aluminium Alloy ◽  
Mechanical Performance ◽  
Processing Parameters ◽  
Friction Stir ◽  
Spot Welded

Fundamental Aspects, Mechanical Behaviour and Mathematical Understanding of Friction Spot Stir Welds: A Review

2021 ◽  
Vol 39 (11) ◽  
Author(s):  
Arash Fattahi ◽  
E.E. Supeni ◽  
M.K.A. Ariffïn ◽  
M.R. Ishak ◽  
Sahar Zolfaghari ◽  
...  
Keyword(s):  
Spot Welding ◽  
Mechanical Performance ◽  
Processing Parameters ◽  
Friction Stir Spot Welding ◽  
Mathematical Understanding ◽  
Environmental Conservation ◽  
Service Industries ◽  
Effective Control ◽  
Friction Stir ◽  
Welding Processes

The energy-saving and environmental conservation are increasingly important issues in manufacturing and service industries worldwide that have received considerable attention in recent years. Most importantly, this process eliminates the grain solidification errors generated by the standard fusion process. Thus, in this papers types and methods of stir welding will be explained and discussed accordingly .   Friction stir spot welding is a tunable method as it allows an effective control and amendment of processing parameters using refill and powder-assisted schemes that can solve the problem of the keyhole and mechanical weaknesses in the joining of light metals processed by conventional Friction stir spot welding. This comprehensive review mainly focuses on the fundamental aspects of Friction stir spot welding processes and their impacts on the microstructural features and mechanical performance and mathematical understanding of various similar and dissimilar systems. To conclude, the challenges in further modification of Friction stir spot welding and future outlooks in different engineering applications are presented.

scholarly journals Analysing the strength of friction stir spot welded joints of aluminium alloy by fuzzy logic

2016 ◽  
Vol 149 ◽  
pp. 012136 ◽  
Author(s):  
R Vaira Vignesh ◽  
R Padmanaban ◽  
M Arivarasu ◽  
K P Karthick ◽  
A Abirama Sundar ◽  
...  
Keyword(s):  
Fuzzy Logic ◽  
Aluminium Alloy ◽  
Welded Joints ◽  
Friction Stir ◽  
Spot Welded

Effect of Process Parameters on Defect Formation in Friction Stir Processed 6082-T6 Aluminium Alloy

2012 ◽  
Vol 232 ◽  
pp. 3-7
Author(s):  
Akinlabi Esther Titilayo ◽  
Akinlabi Stephen Akinwale
Keyword(s):  
Tensile Strength ◽  
Ultimate Tensile Strength ◽  
Aluminium Alloy ◽  
Process Parameters ◽  
Friction Stir Processing ◽  
Feed Rate ◽  
Rotational Speed ◽  
Defect Formation ◽  
Processing Parameters ◽  
Friction Stir

This paper reports the effects of processing parameters on defects formed during friction stir processing of 6082-T6 Aluminium Alloy. The plates were processed by varying the feed rate between 50 and 250 mm/min, while the rotational speed was varied between 1500 and 3500 rpm to achieve the best result. It was observed that the sheets processed at the highest feed rate considered in this research resulted in wormhole defect. These processed samples with defects were correlated to the tensile results and it was found that the Ultimate Tensile Strength (UTS) of these samples was relatively low compared to other samples without defects.

Modelling Microstructural Effects on the Mechanical Behaviour of a Friction Stirred Channel Aluminium Alloy

2013 ◽  
Vol 577-578 ◽  
pp. 37-40
Author(s):  
Catarina Vidal ◽  
Virgínia Infante ◽  
Yoann Lage ◽  
Pedro Vilaça
Keyword(s):  
Aluminium Alloy ◽  
Mechanical Behaviour ◽  
Bending Strength ◽  
Mechanical Performance ◽  
Tensile Tests ◽  
Single Step ◽  
Workpiece Material ◽  
Element Analysis ◽  
Friction Stir ◽  
Microstructural Effects

Friction stir channelling (FSC) is a relatively new solid-state manufacturing technology able to produce conformal channels in a monolithic plate in a single step. During the FSC process the metal workpiece material is softened by the heat energy generated from dissipation during: plastic deformation, internal material flow and frictional work between the tool and the metal workpiece. The mechanical performance of a friction stirred channel aluminium alloy is affected by microstructure surrounding the channel. A new methodology that simulates a realistic 2D microstructure from experimental metallographic characterization and tensile tests was developed using the commercial software ABAQUS to study the mechanical behaviour of the friction stirred channel 5083-H111 aluminium alloy. Fourpoint bending tests were simulated and compared with experimental results. The RambergOsgood model was also adopted in the finite element analysis. It is seen from this investigation that microstructure can significantly affect the bending strength of friction stirred channel plates.

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