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Surface Plasmon Induced Enhancement In Selective Laser Melting Processes, Dentcho A. Genov, Raj K. Vinnakota
Surface Plasmon Induced Enhancement In Selective Laser Melting Processes, Dentcho A. Genov, Raj K. Vinnakota
Dentcho Genov
Purpose
Selective laser melting (SLM) is an advanced rapid prototyping or additive manufacturing technology that uses high power density laser to fabricate metal/alloy components with minimal geometric constraints. The SLM process is multi-physics in nature and its study requires development of complex simulation tools. The purpose of this paper is to study – for the first time, to the best of the authors’ knowledge – the electromagnetic wave interactions and thermal processes in SLM based dense powder beds under the full-wave formalism and identify prospective metal powder bed particle distributions that can substantially improve the absorption rate, SLM volumetric deposition …