Transactions of Nanjing University of Aeronautics & Astronautics
Research Progress of Multicomponent and Multilevel 3D Printing Materials
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Abstract:
Multicomponent and multilevel 3D printing materials （McMl3DPMs） are an emerging class of advanced materials stemming from the convergence of cellular materials， composites， and additive manufacturing. Since their additive manufacturing-derived 3D architectures span a wide range of composition and structural levels， McMl3DPMs are conferred with outstanding mechanical properties that are often considered to be mutually exclusive （e.g.， high strength and high toughness）. The scientific challenges that have to be addressed to realize high-performance McMl3DPMs for structural applications are highlighted， and examples of recent research efforts to tackle them are presented. These are reviewed from three aspects： Structural design， manufacturing process modeling， and defect characterization and property evaluation. Finally， we point out the shortcomings of the current research and identify the future development of McMl3DPMs， including discussing several possible directions to further advance the development of the emerging field.
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This work was supported by the National Natural Science Foundation of China （No.12202190）， Outstanding Postdoctoral Program in Jiangsu Province （No.2022ZB233）， and Research Start-up Funding from Nanjing University of Aeronautics and Astronautics （No.90YAH21131）.
Clc Number:
O341
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