This book gathers the proceedings of the 9th International Conference and Exhibition on Sustainable Energy and Advanced Materials (ICE-SEAM 2023), held on 14 September 2023, in Putrajaya, Malaysia. It focuses on a diverse range of subtopics: Additive Manufacturing-Advanced Materials and Processes-Design and Optimization-Energy Efficiency, Energy Engineering and Management-Modelling and Simulation-Surface Engineering and Tribology-Thermal and Fluids-Vibration and Control. The content caters to academicians, researchers, students, practitioners working in the field of sustainable energy systems and advanced materials.