This book contains articles based on research results that were presented at the 7th International Conference on Materials Design and Applications (ICMDA 2024, Tokyo, Japan, 09-12 April 2024). The research results cover a wide range of trends and directions in properties research, methods and technologies of synthesis and processing of a wide spectrum of modern materials starting from functional nanomaterials, advanced polymers and composites, and green building materials and finishing with waste recycling, materials for optoelectronics and energy storage and engineering research in mechanics of materials.