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FRICTION STIR SPOT WELDING PROCESS: EXPERIMENTAL INVESTIGATION AND NUMERICAL MODELING [PDF]
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Investigating steel tool life in the RFSSW process
Journal of Manufacturing Processes, 2020Abstract Refill Friction Stir Spot Welding (RFSSW) has demonstrated capability in joining thin sheets of aluminum with dissimilar thickness, alloy, and composition. The process remains to be implemented on a wide scale in the automotive and aerospace industries, partially due to the relatively short number of welds producible by a toolset, prior to ...
Brigham Larsen, John Hunt, Yuri Hovanski
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The analysis of reasons for defects formation in aluminum joints created using RFSSW technology
Manufacturing Letters, 2019Abstract The paper describes and classifies defects in aluminum joints made using refill friction stir spot welding (RFSSW) technology, which has potential for replacing riveting as a default joining technology in aviation. Three defect groups were distinguished: at the sleeve-plunger interface, between the sheets and in the joint axis.
Janina Adamus, Konrad Adamus
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Metals and Materials International, 2019
Refill friction stir spot welding (RFSSW) is used to weld 3.2-mm-thick 2060 aluminum alloy sheets. In this study, we investigated the formation, microstructures and mechanical properties of the RFSSW joint. The results show that increasing the rotational speed is beneficial to eliminating annular groove but increasing the flash.
Peng Chai, Yue Wang
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Refill friction stir spot welding (RFSSW) is used to weld 3.2-mm-thick 2060 aluminum alloy sheets. In this study, we investigated the formation, microstructures and mechanical properties of the RFSSW joint. The results show that increasing the rotational speed is beneficial to eliminating annular groove but increasing the flash.
Peng Chai, Yue Wang
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Effect of Rotation Speed on Intermetallic Compounds and Failure Load of RFSSW-ed Dissimilar Al/Mg
Transactions of the Indian Institute of Metals, 2019In this work, refill friction stir spot welding (RFSSW) was used to join 5083 Al and AZ31. The effect of rotation speed on joint formation, intermetallic compounds (IMCs), and failure load of the welded joints was mainly studied. The results showed that dissimilar Al/Mg alloys could be successfully joined by RFSSW, and defect-free joints were obtained ...
Zhibo Dong, Wei Hu, Xinxin Ai, Zan Lv
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A Manufacturing Performance Comparison of RSW and RFSSW Using a Digital Twin
SAE Technical Paper Series<div class="section abstract"><div class="htmlview paragraph">The design of lightweight vehicle structures has become a common method for automotive manufacturers to increase fuel efficiency and decrease carbon emission of their products.
Damon Gale +3 more
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Proceedings of the Vertical Flight Society 75th Annual Forum, 2019
One of the alternative method for welding method is a friction stir welding (FSW), which was developed in 1991 at TWI Ltd. (The Welding Institute) in the United Kingdom, initially especially for joining aluminum and its alloys [1]. This process consists in joining of materials in solid state, which eliminates the problems resulting from melting
Grzegorz Luty +4 more
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One of the alternative method for welding method is a friction stir welding (FSW), which was developed in 1991 at TWI Ltd. (The Welding Institute) in the United Kingdom, initially especially for joining aluminum and its alloys [1]. This process consists in joining of materials in solid state, which eliminates the problems resulting from melting
Grzegorz Luty +4 more
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Composite Structures, 2017
Abstract The paper presents the strength evaluation of the beam made of the sheets from the aluminum alloy 6061-T6 and titanium alloy grade 5. The beam was made of two C-profiles connected by the webs, with the flanges reinforced by the flat bars. Channels were made by bending alloy aluminum 6061-T6 sheets with a thickness of 0.8 mm.
Piotr Lacki, Anna Derlatka
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Abstract The paper presents the strength evaluation of the beam made of the sheets from the aluminum alloy 6061-T6 and titanium alloy grade 5. The beam was made of two C-profiles connected by the webs, with the flanges reinforced by the flat bars. Channels were made by bending alloy aluminum 6061-T6 sheets with a thickness of 0.8 mm.
Piotr Lacki, Anna Derlatka
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Fatigue & Fracture of Engineering Materials & Structures, 2019
AbstractSolid‐state refill friction stir spot welding (RFSSW) technology offers significant benefits in the fabrication of aluminium structures in the transport and aerospace industries. In this paper, the joining of 1.6‐mm‐thick Alclad 7075‐T6 aluminium alloy sheets is investigated.
Andrzej Kubit +5 more
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AbstractSolid‐state refill friction stir spot welding (RFSSW) technology offers significant benefits in the fabrication of aluminium structures in the transport and aerospace industries. In this paper, the joining of 1.6‐mm‐thick Alclad 7075‐T6 aluminium alloy sheets is investigated.
Andrzej Kubit +5 more
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Study of microstructure characteristics and corrosion behavior of 2524 aluminum alloy RFSSW joint
Materials Characterization, 2022Da Zhang +4 more
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