Abstract
Selective laser sintering (SLS), as a kind of additive manufacturing technology, which uses a laser beam to scan and heat powder material layer by layer to form parts (models), is widely used in the field of casting, mainly for preparing casting coated sand cores, investment casting patterns, etc. The SLS technique facilitates rapid casting and shortens the casting production periods by eliminating mold preparation. In this study, we reached conclusions for the basic principles and characteristics of SLS methods, and focused on the research status, key technology and development trend of SLS in the fields of forming coated sand-casting molds and investment casting patterns.
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Acknowledgements
This work was supported by the National Key R&D Program of China (2020YFB2008300, 2020YFB2008304), and the National Natural Science Foundation of China (51775204, 51375190, 59635040).
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Li Yang Ph.D, Postdoctoral Fellow (Huazhong University of Science and Technology). His research interests include rapid casting technology, and materials, technology and equipment of ceramic additive manufacturing. He has obtained the Postdoctoral Innovation Post Funding of Hubei Province, presided over one Innovation Fund of Huazhong University of Science and Technology, participated in one National Major Research & Development Program of China and two National Natural Science Foundation of China. He has published 16 research papers in journals and conferences, and possesses three invention patents of China.
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Yang, L., Tang, Sy., Fan, Zt. et al. Rapid casting technology based on selective laser sintering. China Foundry 18, 296–306 (2021). https://doi.org/10.1007/s41230-021-1099-2
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DOI: https://doi.org/10.1007/s41230-021-1099-2