Using a novel fixture to study of temperature and applied forces during friction stir welding

Papahn, Hossein; Haghpanahi, Mohammad; Bahemmat, Pouya

doi:10.1007/s40430-015-0408-3

Cited by 3 publications

(1 citation statement)

References 17 publications

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“…To further explore how welding parameters affect the microstructure and mechanical properties of the joint, it is extremely necessary to measure the force and temperature variations experienced by the test sheets under different welding parameters during the welding process. Papahn et al designed and developed a novel fixture for simultaneously measuring axial and transverse forces during friction stir welding process [18]. There are still many researchers who have carried out this measurement work, making significant contributions to understanding the impact of process parameters on the microstructure and mechanical properties of the joint [19][20][21][22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

A Study on Microstructure and Mechanical Properties of Micro Friction Stir Welded Ultra-Thin Al-1060 Sheets by the Shoulderless Tool

Zhang

Wang

Jin

et al. 2019

Metals

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The welding tool is the key of micro friction stir welding (μFSW), which affects the heat input and the plastic forming of weld metal. In this paper, 0.8-mm-thick ultra-thin 1060-H24 aluminum sheets μFSW butt joints were used to compare and analyze the influence of the conventional tool and shoulderless tool on weld shaping, microstructure and mechanical properties. Besides, by measuring the axial force, transverse force and weld temperature in μFSW process, the influence of these two different tools on the heat input and metal flow mechanism of the weld were analyzed. The results show that the weld generated by the shoulderless tool has narrower width, less heat input and metal involved in plastic forming resulting in smaller HAZ (heat affected zone). The hardness of NZ (nugget zone) is obviously increased compared with that of the base metal. The highest tensile strength can reach 108.6 MPa, accounting for 78.6% of the base metal and 117.3% of the joint by the conventional tool. But the welding defects have to be overcome for industrial application of the shoulderless tool.

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Section: Introductionmentioning

confidence: 99%

A Study on Microstructure and Mechanical Properties of Micro Friction Stir Welded Ultra-Thin Al-1060 Sheets by the Shoulderless Tool

Zhang

Wang

Jin

et al. 2019

Metals

View full text Add to dashboard Cite

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Evaluation of welding characteristics using three-dimensional finite element simulation and experimentation for FSW of aluminum 6061

Rao

2018

J Braz. Soc. Mech. Sci. Eng.

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Aim of this study is to introduce numerical 3D finite element method (FEM) simulation to study characteristics of friction stir welding. A coupled experimental and numerical simulation study was carried out to study the effect of process parameters on welding characteristics for friction stir welding of aluminium 6061. As per Box-Behnken design, 15 experiments have been conducted on aluminium 6061 plates at three levels of spindle speed, tilt angle and tool pin diameter. Experimental results of tool vibration, force in X, Y and Z directions and ultimate tensile strength were collected and analyzed. Shearing of metal and metal flow patterns during the welding were analyzed and the responses were predicted using FEM simulation. Size of the shear zone around the tool pin was studied for different combinations of the parameters. The experimental results and the FEM-simulated values were found to be in good agreement. Interaction effect of the process parameters on the responses was analyzed using response surface methodology.

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Models for FSW forces using a square pin profile tool

Terra

Silveira

2021

Journal of Manufacturing Processes

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Using a novel fixture to study of temperature and applied forces during friction stir welding

Cited by 3 publications

References 17 publications

A Study on Microstructure and Mechanical Properties of Micro Friction Stir Welded Ultra-Thin Al-1060 Sheets by the Shoulderless Tool

A Study on Microstructure and Mechanical Properties of Micro Friction Stir Welded Ultra-Thin Al-1060 Sheets by the Shoulderless Tool

Evaluation of welding characteristics using three-dimensional finite element simulation and experimentation for FSW of aluminum 6061

Models for FSW forces using a square pin profile tool

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