**Keynote Speakers:Prof. Steven Y. Liang (Fellow of ASME & SME), Georgia Institute of Technology, USA;Prof. Ramesh K. Agarwal (Fellow of IEEE, AAAS, AIAA, APS, ASME, CSAA, SME and ASEE), Washington University in St. Louis, USA;Prof. Ramulu Mamidala (Fellow of ASM, ASME, SEM and SME), University of Washington, USA;Prof. Jing Wang, University of South Florida, USA;Prof. Sotirios Grammatikos, Norwegian University of Science and Technology, Norway. ***Publication***The registered and presented papers will be published into IOP Conference Series: Materials Science and Engineering , which is indexed by Scopus, Conference Proceedings Citation Index—Science (CPCI-S) (Thomson Reuters, Web of Science), Chemical Abstracts etc. **Publication History**Papers of ICMT 2020, ICMT 2019, ICMT 2018 were indexed by Ei Compendex & Scopus!