Metal Powder-Based Additive Manufacturing

Kun Zhou is Associate Professor in the School of Mechanical and Aerospace Engineering at Nanyang Technological University (NTU), Singapore. After his PhD degree in engineering mechanics from NTU, he worked as a Postdoctoral Fellow in the Department of Mechanical Engineering at Northwestern University, USA. His research focuses on additive manufacturing of polymers, metals and their composites. He has published more than 220 Journal articles and 17 book chapters. Changjun Han is Research Fellow in the School of Mechanical & Aerospace Engineering at Nanyang Technological University, Singapore. He received his PhD degrees from Huazhong University of Science and Technology, China. He has been engaged in metal powder-based additive manufacturing for over five years

INTRODUCTION
History and fundamentals of AM
AM techniques
Metal powder?based AM
Post-processing
Powder properties and characterization methods
Challenges and future trends of metal powder?based AM
Summary
METAL POWDER PREPARATION PROCESSES
Atomization
Mechanical mixing
Reduction process
Powder modification
Summary

LASER POWDER BED FUSION
History
Fundamentals
Printing process
Metallurgical defects
Powder materials
Equipment
Typical materials used in LPBF
Mechanical metamaterials for LPBF
Summary

ELECTRON BEAM MELTING
History
Fundamentals
Preheating and melting processes
Metallurgical defects
Powder materials
Equipment
Microstructures and mechanical properties
Summary

LASER-BASED DIRECTED ENERGY DEPOSITION
History
Fundamentals
Deposition process
Metallurgical defects
Powder materials
Equipment
Microstructure and mechanical properties
Summary

METAL BINDER JETTING
History
Fundamentals
Printing process
Raw materials
Equipment
Microstructure and mechanical properties
Summary

APPLICATIONS
Aerospace
Biomedical
Automotive
Molding and tooling
Energy
Jewelry
Marine, oil, and gas
Challenges and risks