The 3rd Symposium on Damage Mechanisms of Materials and Structures (SDMMS 2018) will be held Hotel Bangi-Putrajaya, Bandar Baru Bangi, Selangor. The symposium will feature invited talks, single-track technical sessions and poster sessions. The SDMMS 2018 aims to bring core researchers, scholars and practitioners involved in R&D and innovation in the field of damage mechanics and mechanisms of materials and structures from academia, industry and government agencies. The meeting shall provide a common platform to update the related current research works, present new findings, discuss potential future development and share research achievements and challenges. It shall also present an excellent networking opportunity among colleagues across the region.