Abstract
Additive manufacturing is expected to transform and upgrade the traditional foundry industry to realize the integrated manufacturing and rapid and low-cost development of high-performance components with complex shapes. The additive manufacturing technology commonly applied in casting mold preparation (fusible molds, sand molds/cores and ceramic cores) mainly includes selective laser sintering (SLS) and binder injection three-dimensional printing (3DP). In this work, the research status of SLS/3DP-casting processes on material preparation, equipment development, process optimization, simulation and application cases in aerospace, automotive and other fields were elaborated. Finally, the developing trends of the additive manufacturing technology in the future of foundry field are introduced, including multi-material sand molds (metal core included), ceramic core-shell integration and die-casting dies with conformal cooling runners.
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Acknowledgements
This study was supported by the Principle and Method of Integrated Laser 3D Printing of Metal Core-Variable Area Performance Complex Sand Mold (Grant No. U1808216), and the Aero Engine and Gas Turbine Major Special Fundamental Research Fund Project (2017-VII-0008-0102).
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Yu-sheng Shi Male, born in 1962, Ph.D., Scholar Leading Distinguished Professor of Huazhong University of Science and Technology. He is currently the Vice Director Member of the Special Materials Group of the National Additive Manufacturing Standardization Technical Committee, the Director of the Expert Committee of the Additive Manufacturing Process Technology Center of China Aerospace Science and Technology Corporation, and the Vice Director Member of the Additive Manufacturing Branch of the Chinese Mechanical Engineering Society. He has won the award of the China’s Top Ten Scientific and Technological Advancements, one Second Prize of National Technological Invention, and two Second Prizes of National Science and Technological Progress. He has won the Special Prize of China Invention and Entrepreneurship Award and Contemporary Inventor, Top Ten Outstanding Innovators of Chinese Science, Top Ten National Outstanding Scientific and Technological Worker Nomination Award. His team was selected as the Innovation Team of Hubei Province and the Ministry of Education.
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Shi, Ys., Zhang, Jl., Wen, Sf. et al. Additive manufacturing and foundry innovation. China Foundry 18, 286–295 (2021). https://doi.org/10.1007/s41230-021-1008-8
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DOI: https://doi.org/10.1007/s41230-021-1008-8