Influence of process parameters on surface roughness of aluminum parts produced by DMLS

By Flaviana Calignano, Diego Manfredi, Elisa Paola Ambrosio, Luca Iuliano, Paolo Fino. The International Journal of Advanced Manufacturing Technology, 2012

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Surface texture metrology for metal additive manufacturing: a review (2016, background): “By far, the most frequently adopted texture parameter in the literature is the ISO 4287 profile parameter Ra, the arithmetic mean deviation of the assessed profile [18,27,29,45,49,74,76].”
Overview on Additive Manufacturing Technologies (2017, background): “The SLM process parameters can be useful in improving surface quality [85]–[88] , but it is usually inferior than the conventional manufacturing.”
Corrosion performance of additively manufactured stainless steel parts: A review (2020, background): “the balling phenomena and the eventual surface roughness as a result [172,254].”
Manufacturability of AlSi10Mg overhang structures fabricated by laser powder bed fusion (2018, background): “In order to eliminate distortion and dross defects, external support structures are required to support the overhang geometries during the LPBF process [16-18].”
Additive manufacturing of metallic components – Process, structure and properties (2018, background): “s on build surface [203] (d) balling effect [195] (e) effect of heat input on surface roughness [205,206] (f) effect of powder diameter on surface”