个人简介
Dr. Guijun Bi
Dr. Guijun Bi
Singapore Institute of Manufacturing Technology (SIMTech), Singapore
标题: Advances in Laser Based Additive Manufacturing of Exotic Alloys
摘要: 
In recent years, exotic alloys, such as high entropy and medium entropy alloys, metal matrix composite and functionally graded alloys, etc. have drawn  great attention in academia and industry owing to the excellent mechanical properties at ambient, cryogenic and high temperatures. Laser based additive manufacturing technologies, namely laser powder bed fusion (LPBF) and laser directed energy deposition (L-DED) provide huge advantages over conventional methods for processing and developing new exotic alloys. In this talk, advances in laser additive manufacturing of exotic alloys are presented. Motivations, methodology and results of the obtained microstructures, phases and material properties for processing different exotic alloys are introduced in detail. Relationships among the material, additive manufacturing processes, microstructure & phase formation and mechanical properties and strengthening mechanisms are discussed. Future trends in laser based additive manufacturing will be highlighted.
简介: 
Dr. Guijun Bi is a Senior Scientist and Group Manager with the Joining & Machining Group in Singapore Institute of Manufacturing Technology (SIMTech), Program Manager of “Large Format Hybrid Laser Aided Additive Manufacturing”, under Agency for Science, Technology and Research (A*STAR), Singapore. He is the Honorary Secretary of the International Intelligent Manufacturing Society, and adjunct associate professor with National University of Singapore. Dr. Bi received his PhD in laser material processing from Fraunhofer Institute for Laser Technology and RWTH Aachen University, Germany in 2004. Before joining SIMTech in 2008, he worked at Rolls-Royce Technology Center, University of Nottingham, UK. His research area covers additive manufacturing, welding & joining, advanced materials, numerical simulation, process monitoring & control. Dr Bi has published more than one hundred peer reviewed journal and conference papers. He has delivered more than ten invited talks and served as the technical committee member for international conferences. Currently Dr Bi is an editorial board member of three international journals. He holds three patents and more than ten technology disclosures related to additive manufacturing, welding and joining. His research outcomes have been adopted and licensed to the companies in marine, and oil & gas industries in Singapore.