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Nano-additive manufacturing of multilevel strengthened aluminum matrix composites

International Journal of Extreme Manufacturing 2023年第1期5卷 254-264页

作者： Chenwei Shao Haoyang Li Yankun Zhu Peng Li Haoyang Yu Zhefeng Zhang Herbert Gleiter AndréMcDonald James Hogan Department of Mechanical Engineering University of AlbertaEdmonton T6G 1H9Canada Shi-Changxu Innovation Center for Advanced Materials Institute of Metal ResearchChinese Academy of SciencesShenyang 110016People’s Republic of China School of Materials Science and Engineering University of Science and Technology of ChinaHefei 230026People’s Republic of China nanoFAB Fabrication and Characterization Centre University of AlbertaEdmonton T6G 1H9Canada Institute of Nanotechnology Karlsruhe Institute of TechnologyHermann-von-Helmholtz-Platz 1Eggenstein-Leopoldshafen 76344Germany

Nanostructured materials are being actively developed,while it remains an open question how to rapidly scale them up to bulk engineering materials for broad industrial *** study propose an industrial approach to rapidly fabricate high-strength large-size nanostructured metal matrix composites and attempts to investigate and optimize the deposition process and strengthening ***,advanced nanocrystalline aluminum matrix composites(nanoAMCs)were assembled for the first time by a novel nano-additive manufacturing method that was guided by numerical simulations(*** in-flight particle model and the porefree deposition model).The present nanoAMC with a mean grain sizemultiscale strengthening mechanisms from tailoring solution atoms,dislocations,grain boundaries,precipitates,and externally introduced reinforcing *** present high-throughput strategy and method can be extended to design and architect advanced coatings or bulk materials in a highly efficient(synthesizing a nanostructured bulk with dimensions of 50×20×4 mm^(3) in 9 min)and highly flexible(regulating the gradient microstructures in bulk)way,which is conducive to industrial production and application.

关键词： high-throughput fabrication bulk nanoAMC low-temperature additive manufacturing multi-level strengthening

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