This book presents scientific and engineering research results in materials science, materials processing technologies, mechanical engineering and manufacturing that were presented at the 11th Asia Conference on Mechanical and Materials Engineering (Sapporo, Japan, June 8-11, 2023). The edition will be helpful to a wide range of specialists in modern production. Processing Technologies, Steel, Alloys, Welding, Nanomaterials, Functional Materials, Sensor Materials, Waste, Bio-Based Materials, Water Treatment, Wear of Materials, Defect Identification, Heat Transfer, Fluid Dynamics, Additive Manufacturing, Design of Machine Parts, Engineering Management Materials Science, Mechanical Engineering, Manufacturing.