Integrated multiobjective optimization of RFSSW parameters for AA2024-T3 using ANOVA machine learning and NSGA II [PDF]
Scientific ReportsMulti-objective process optimization is critical in intelligent manufacturing, especially where complex, nonlinear interactions among parameters can significantly affect product quality. This study demonstrates a data-driven approach to optimizing Refill
Piotr Myśliwiec, Andrzej Kubit
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Journal of Manufacturing and Materials ProcessingTo reduce vehicle weight and improve energy efficiency, automotive manufacturers are increasingly using aluminum body panels. However, the traditional joining method, Resistance Spot Welding (RSW), presents challenges like weld porosity and electrode ...
Yuri Hovanski, Hovanski Yuri
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Investigation into the Effect of RFSSW Parameters on Tensile Shear Fracture Load of 7075-T6 Alclad Aluminium Alloy Joints [PDF]
Materials, 2021 The aim of the investigations was to determine the effect of parameters of refill friction stir spot welding (RFSSW) on the fracture load and failure mechanisms of the resulting joint. RFSSW joints were made in 7075-T6 Alclad aluminium alloy sheets using different welding parameters.
Andrzej Kubit +2 more
exaly +5 more sources
Considerations for Tungsten Carbide as Tooling in RFSSW [PDF]
MaterialsTool wear is a key issue for the manufacturing performance of refill friction stir spot welding in high-volume manufacturing environments. As such, the aim of this study is to examine conditions in which tungsten carbide with a cobalt binder can succeed as a tool material in the spot welding of 2029 aluminum for a sustained lifetime.
Yuri Hovanski +2 more
exaly +4 more sources
Optimization and Analysis of Refill Friction Stir Spot Welding (RFSSW) Parameters of Dissimilar Aluminum Alloy Joints by FE and ANN Methods [PDF]
MaterialsThe quality of the refill friction stir spot welding (RFSSW) process is heavily dependent on the selected welding parameters that influence the resultant joint characteristics. Thermomechanical phenomena integral to the process were investigated using finite element (FE) analysis on two dissimilar materials.
Dan Catalin Birsan +2 more
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Analytical Approach for Forecasting the Load Capacity of the EN AW-7075-T6 Aluminum Alloy Joints Created Using RFSSW Technology [PDF]
MaterialsTo ensure the high reliability of aircraft structures, the Refill Friction Stir Spot Welding (RFSSW) process must be characterized by a high load capacity of the welds and a small standard deviation of the load capacity spread. This allows us to obtain uniform functional properties in the connections, ensuring the high quality of the process. This work
Rafał Kluz +2 more
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The Influence of Modification of the Front Surface Geometry of the RFSSW Tool Sleeve on the Plasticization Effect and Stirring Materials During Joining Sheets Made of Aluminum Alloy 2024 [PDF]
Archives of Metallurgy and Materials, 2022 The paper presents the results of research and analysis of the effect of joining by the RFSSW method of alclad sheets made of Al2024 with an anodic oxide coating, with the using the tool with modified geometry of the front surface of inner sleeve.
W. Łogin, R.E. Śliwa, R. Ostrowski
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Metrology of Sheet Metal Distortion and Effects of Spot-Welding Sequences on Sheet Metal Distortion
Journal of Manufacturing and Materials Processing, 2023 Refill friction stir spot welding (RFSSW) is an emerging solid-state welding technology that demonstrates an outstanding ability to join aerospace aluminum alloys. The thermomechanical processing of RFSSW may cause variations in the workpiece in the form
Enkhsaikhan Boldsaikhan +4 more
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Journal of Advanced Joining Processes, 2022 Dissimilar material joining via friction stir spot welding (FSSW) has been implemented in some automobiles. However, the effectiveness of this method is easily affected by the surface condition of the lower plate.
Naoki Takeoka +5 more
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Mechanical Properties and Failure Mechanisms of Refill Friction Stir Spot Welds
Journal of Manufacturing and Materials Processing, 2021 Refill friction stir spot welding (RFSSW) is an innovative solid-state welding technology for aluminum structures. The presented study aimed to evaluate the mechanical properties of refill spot welds and their failure mechanisms with the use of ...
Guruvignesh Lakshmi Balasubramaniam +6 more
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