The role of force and torque in friction stir welding: A detailed review

Friction Stir Welding (FSW) is a significant solid-state joining technique for metals and polymers, effectively addressing challenges posed by fusion welding. The application of FSW relies on the development of cost-effective, durable tools that consistently produce high-quality welds. The forces an...

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Main Authors: Mostafa Akbari, Milad Esfandiar, Amin Abdollahzadeh
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Journal of Advanced Joining Processes
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S266633092500010X
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author Mostafa Akbari
Milad Esfandiar
Amin Abdollahzadeh
author_facet Mostafa Akbari
Milad Esfandiar
Amin Abdollahzadeh
author_sort Mostafa Akbari
collection DOAJ
description Friction Stir Welding (FSW) is a significant solid-state joining technique for metals and polymers, effectively addressing challenges posed by fusion welding. The application of FSW relies on the development of cost-effective, durable tools that consistently produce high-quality welds. The forces and torque generated during welding are critical to this process, which influence weld integrity, process efficiency, and tool longevity. This review explores methodologies for estimating these parameters—analytical, numerical, and experimental—and discusses measurement techniques, including direct and indirect methods. It also examines variations in forces across different FSW types, such as Conventional FSW, Bobbin Tool FSW, and Stationary Shoulder FSW, emphasizing the differences in their operational mechanics. Additionally, the review highlights how process parameters like tool shape, size, tilt angle, and welding speed can be optimized to enhance performance and investigates the use of force measurements for real-time weld monitoring and defect detection, contributing to the reliability of FSW in industrial applications. The results indicate that the use of force measurement for online monitoring of welding processes, particularly concerning welding defects and overall weld quality, has garnered significant attention in recent years. ​ A notable advancement in this field is the implementation of machine learning tools, which enhance the ability to predict potential weld defects and improve overall weld quality. This innovative approach not only streamlines the monitoring process but also contributes to the evolution of FSW technologies, ensuring higher standards of quality and safety in various applications.
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spelling doaj-art-a7528b9f9a864e489e464c4c7aa326972025-02-09T05:01:27ZengElsevierJournal of Advanced Joining Processes2666-33092025-06-0111100289The role of force and torque in friction stir welding: A detailed reviewMostafa Akbari0Milad Esfandiar1Amin Abdollahzadeh2Department of Mechanical Engineering, National University of Skills (NUS), Tehran, Iran; Corresponding author.Department of Mechanical Engineering, National University of Skills (NUS), Tehran, IranSchool of Metallurgy & Materials Engineering, Iran University of Science and Technology (IUST), Tehran, IranFriction Stir Welding (FSW) is a significant solid-state joining technique for metals and polymers, effectively addressing challenges posed by fusion welding. The application of FSW relies on the development of cost-effective, durable tools that consistently produce high-quality welds. The forces and torque generated during welding are critical to this process, which influence weld integrity, process efficiency, and tool longevity. This review explores methodologies for estimating these parameters—analytical, numerical, and experimental—and discusses measurement techniques, including direct and indirect methods. It also examines variations in forces across different FSW types, such as Conventional FSW, Bobbin Tool FSW, and Stationary Shoulder FSW, emphasizing the differences in their operational mechanics. Additionally, the review highlights how process parameters like tool shape, size, tilt angle, and welding speed can be optimized to enhance performance and investigates the use of force measurements for real-time weld monitoring and defect detection, contributing to the reliability of FSW in industrial applications. The results indicate that the use of force measurement for online monitoring of welding processes, particularly concerning welding defects and overall weld quality, has garnered significant attention in recent years. ​ A notable advancement in this field is the implementation of machine learning tools, which enhance the ability to predict potential weld defects and improve overall weld quality. This innovative approach not only streamlines the monitoring process but also contributes to the evolution of FSW technologies, ensuring higher standards of quality and safety in various applications.http://www.sciencedirect.com/science/article/pii/S266633092500010XFSWForceMeasurementFEMTorque
spellingShingle Mostafa Akbari
Milad Esfandiar
Amin Abdollahzadeh
The role of force and torque in friction stir welding: A detailed review
Journal of Advanced Joining Processes
FSW
Force
Measurement
FEM
Torque
title The role of force and torque in friction stir welding: A detailed review
title_full The role of force and torque in friction stir welding: A detailed review
title_fullStr The role of force and torque in friction stir welding: A detailed review
title_full_unstemmed The role of force and torque in friction stir welding: A detailed review
title_short The role of force and torque in friction stir welding: A detailed review
title_sort role of force and torque in friction stir welding a detailed review
topic FSW
Force
Measurement
FEM
Torque
url http://www.sciencedirect.com/science/article/pii/S266633092500010X
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