Mohammad Reza Pakdaman

NSPVCO, Iran

Title: Advancements and Applications of Fiber Laser Welding: Historical Overview, Comparative Analysis, and Future Trends

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Biography

He is an experienced researcher with over a decade in the fiber laser research industry. His expertise spans scenario creation, scenario-based testing, and system-level testing, with a strong focus on optical engineering and industrial machine design. He has successfully led projects from design through to manufacturing, adapting machines to meet customer needs. He holds a Master of Engineering in Photonics from Shahid Beheshti University and a Bachelor of Applied Science from Amirkabir University of Technology. He is always eager to learn new skills and embrace new challenges.

Abstract

This presentation delves into the advancements and applications of fiber laser welding, a cutting-edge technology revolutionizing various industries. The objectives are to provide a historical overview of laser welding, explain the structure and benefits of fiber lasers, compare fiber laser welding with traditional methods, and discuss future trends. The scope covers the evolution from YAG to fiber lasers, detailed analysis of fiber laser welding parameters, and market trends. Methods include a comprehensive literature review, analysis of welding tests, and comparative studies. Historically, laser welding began with YAG lasers, which significantly improved precision and efficiency in sectors like aerospace and automotive. The transition to fiber lasers brought further advancements, offering superior beam quality, lower maintenance, and enhanced versatility. Fiber laser welding machines comprise key components such as pump diodes, optical fibers, and resonators, enabling high precision and control in welding processes. Comparative analysis reveals that fiber laser welding outperforms traditional methods in terms of speed, precision, and material versatility. Testing methods, including tensile tests and microstructural analysis, demonstrate the high strength and minimal defects in fiber laser welds. Key parameters such as beam quality, power density, and welding speed significantly influence the weld's structural integrity and strength. Market analysis indicates a growing adoption of fiber laser welding in sectors like automotive, aerospace, and electronics, driven by technological advancements and increasing demand for high-quality welds. Future prospects include expanding applications in metal printing, plating, and hybrid manufacturing processes, with fiber laser welding poised to drive innovation in manufacturing. In conclusion, fiber laser welding represents a significant technological leap, offering superior performance and versatility over traditional methods. Rigorous testing and precise control of welding parameters ensure high-quality welds, while market trends and future applications underscore the technology's expanding role in various industries.