Mattias Igestrand

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About

Mattias Igestrand is a prominent researcher in advanced manufacturing, specializing in friction stir welding (FSW) and lightweight assembly for electric vehicle (EV) applications. His work centers on developing robust joining techniques for multi-material battery enclosures, particularly for battery electric vehicles (BEVs). Igestrand’s most notable contribution is his pioneering research on robotic friction stir welding of extrusion-cast aluminium alloys, demonstrating how stationary shoulder FSW can produce defect-free lap welds with superior surface finish—critical for lightweight battery frame assembly. This work, published in 2023 and already garnering 14 citations, addresses the urgent industry need for reliable, high-strength joints in EV battery structures. By optimizing process parameters for dissimilar aluminium alloys (extruded and high-pressure die-cast), Igestrand has provided a scalable path toward lighter, safer battery packs. His research bridges materials science and production engineering, offering practical solutions for reducing vehicle weight while maintaining structural integrity. Igestrand’s findings are directly applicable to automotive manufacturing, positioning him as a key contributor to the transition toward sustainable transportation. His work continues to influence both academic research and industrial implementation of robotic FSW for lightweight EV components.