WebApr 8, 2024 · Friction stir welding (FSW) and friction stir spot welding (FSSW) techniques are becoming widely popular joining techniques because of their increasing potential applications in automotive, aerospace, and other structural industries. These techniques have not only successfully joined similar and dissimilar metal and polymer parts but have … WebApr 8, 2024 · This study classifies the literature available on the FSW and FSSW of thermoplastic polymers and polymer composites on the basis of joining materials (similar or dissimilar), joint configurations, tooling conditions, medium conditions, and study types. ... will help to achieve high-quality weld joints with least defects and superior mechanical ...
Metals Free Full-Text Friction Stir Spot Butt Welding of ... - MDPI
WebDec 1, 2024 · Nonetheless, FSSW defects such as pinhole (keyhole) due to stir tool pin prevent the production of joints with high strength [4]. There are some proposed methods … WebIt is a solid-state lap joining process with low energy consumption that can produce defect-free spot welds with better mechanical properties compared to RSW [12,14]. Moreover, FSSW does not use consumables, shielding gases, electrodes, or cooling liquids, which makes this joining process more environmentally friendly compared to the ... chilean warriors
Process Capability Study for Friction Stir Spot Welding (FSSW)
Webinspection of FSW joints. Friction stir spot welding (FSSW) is a relatively new solid-state welding variant of FSW that possesses the high quality of welding joints, few defects and little distortion. Ultrasonic method has been applied to evaluating the welding quality because of its high sensitivity and resolution[7]. Considering the special ... WebJan 31, 2024 · Hook defect is an intrinsic defect in refill FSSW welds characterized as a transitional region between the bonded and unbonded regions of the weld, which is characterized as a partially bonded region [16]. The Drop region results from a circular material flow compressed and sheared during the refilling stage (Fig. 1 (c)) that produces … WebFSSW is a variant of FSW and works by rotating, plunging and retracting a non-consumable tool into two workpieces in a lap-joint configuration to make a “spot” weld. During FSSW there is no traversing of the tool through the … chilean walnut vs california walnut