Rija-Nirina Raoelison

Centre National de la Recherche Scientifique

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About

Dr. Rija-Nirina Raoelison is a leading figure in the advancement of cold spray additive manufacturing, a transformative solid-state deposition technology. His research focuses on the critical intersection of process engineering and digital manufacturing, specifically developing robust methodologies for path planning and toolpath design in spray-based 3D printing. Dr. Raoelison’s major contributions include the creation of generic, programmable schemes for spray deposition, enabling precise control over material layering and component geometry. His 2021 work on new process implementation to enhance cold spray additive manufacturing has garnered 24 citations, serving as a foundational reference for improving deposition efficiency and part integrity. Further, his 2023 study on generic path design, with 11 citations, provides a systematic framework for translating digital models into physical builds, addressing key challenges in automation and repeatability. By bridging the gap between theoretical deposition physics and practical manufacturing protocols, Dr. Raoelison’s research is pivotal for scaling cold spray technology from laboratory prototypes to industrial applications, offering a sustainable, high-rate alternative for repairing and fabricating metallic components.