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- 저자 : Joaquim Ciurana (검색결과 1 건)
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Karla P. Monroy,Jordi Delgado,Lídia Sereno,Joaquim Ciurana,Nicolas J. Hendrichs 대한금속·재료학회 2014 METALS AND MATERIALS International Vol.20 No.5
Selective Laser Melting (SLM) is an additive technology that produces solid parts by selectively meltingthin layers of metallic powder. SLM can produce significant differences in the final properties due to themelting-consolidation phenomena of the process, which can be controlled by the appropriate parameters. Therefore, the objective of this study was to create a link between the process conditions and the resultingproperties by experimenting in an own-developed SLM machine using CoCrMo powder as material. The fabricated samples were characterized by density, hardness and microstructural properties. The experimentalresults proved the capability of the SLM technique to build high dense samples. The hardnessresults gave evidence of a superior outcome compared to conventional processes. Finally, it was found thatgrain size was defined by scanning speed. Based on the results, a better understanding of the processingprinciples given by the parameters was achieved and improved fabrication quality was promoted.
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