Advancements and Challenges in Linear Friction Welding of Inconel 718: A Comprehensive Review

Abstract

Abstract This comprehensive review explores the linear friction welding of Inconel 718, a super alloy widely employed in aerospace and other high-temperature applications. Delving into the intricate relationship between process parameters and material properties, the paper examines microstructural transformations and their impact on mechanical integrity. Discussions encompass weldability, common defects, and mitigation strategies, providing valuable insights for practitioners. The review also highlights the evolving landscape of research trends, recent developments, and real-world applications, showcasing the versatility of linear friction welding. Challenges in the process are analyzed, offering a nuanced perspective on current limitations and avenues for improvement. Through a comparative lens with traditional welding techniques, the paper elucidates the unique advantages of linear friction welding in enhancing efficiency and performance. This synthesis of knowledge contributes to a holistic understanding of the state-of-the-art in linear friction welding of Inconel 718, presenting opportunities for future advancements in this critical domain.