ArticlePolymers2023
Morphological Characterization and Failure Analysis of the Ultrasonic Welded Single-Lap Joints.
Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Mechanical performance and microstructural behavior of ultrasonically welded PVC-coated polyester fabric seams at subzero temperature.Scientific reports · 2026Article
- Influence of Welding Control Mode on the Joint Performance of Ultrasonically Welded Carbon Fiber-Reinforced Polycarbonate.Materials (Basel, Switzerland) · 2026Article
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Authors and funding
7 authors.
Funding
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Abstract
Ultrasonic welding technology represents an advanced method for joining thermoplastic composites. However, there exists a scarcity of systematic investigations into welding parameters and their influence on the morphological characteristics and quality of the welded regions. Furthermore, a comprehensive experimental understanding of the welded joint failure mechanisms remains deficient. A robust model for simulating the failure behavior of welded joints under loading has yet to be formulated. In this study, ultrasonic welded specimens were fabricated using distinct welding control methods and varied parameter combinations. Diverse experimental methodologies are employed to assess the morphological features of the welded areas, ascertain specimen strength, and observe welding interface failure modes. Based on a cohesive model, a finite element model is developed to predict the strength of the ultrasonic welded joints and elucidate the failure mechanisms. The results showed that, under identical welding parameters, the specimens welded with a high amplitude and low welding force exhibit superior welding quality. The specimens produced under displacement control exhibit minimal dispersion in strength. The proposed finite element model effectively prognosticates both welded joint strength and failure modes.
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