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December 11, 2025Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications

Enhancing refill friction stir spot welding with ultrasonic waves: An experimental study

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Authors

EEEsmaeel Poor EsmaeelSemnan UniversityMMMasoud MahmoodiMassey UniversitySJSeyed Mohammad JafariShahid Beheshti University

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Overview

Experimental study shows ultrasonic vibrations improve weld strength and mechanical properties in aluminum joints, indicating potential process benefits.

Key Points

  • To investigate how ultrasonic vibrations affect the weld quality in Refill Friction Stir Spot Welding.
  • Conducted experiments using 6061 aluminum alloy sheets of 1 mm thickness
  • Utilized a custom-built RFSSW setup with ultrasonic transducers
  • Analyzed the impact of parameters like tool rotational speed, penetration depth, and ultrasonic power
  • Ultrasonic vibrations significantly enhance weld strength
  • Vertical ultrasonic application outperforms horizontal configuration
  • Evaluation of mechanical properties showed improvements in tensile strength and hardness

Cite This Study

Esmaeel et al. (2025) studied this question.

synapsesocial.com/papers/69401b1e2d562116f28f75fbhttps://doi.org/10.1177/14644207251337475
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Also Consider

Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Welding and processing of metallic materials by using friction stir technique: A review2021 · 182 citations
  2. 2The Influence of Tool Geometry for Refill Friction Stir Spot Welding (RFSSW) on Weld Properties During Joining Thin Sheets of Aluminum Alloys2019 · 8 citations
  3. 3Process optimization of refill friction spot stir of AA6061-T6 aluminum alloy for thick plate2024 · 5 citations
  4. 4Investigation on ultrasonic assisted friction stir welding of aluminum/steel dissimilar alloys2021 · 36 citations