Surface Roughness and Design for Additive Manufacturing: A Design Artefact Investigation

DS 116: Proceedings of the DESIGN2022 17th International Design Conference

Year: 2022
Editor: Mario Štorga, Stanko Škec, Tomislav Martinec, Dorian Marjanović
Author: Didunoluwa Obilanade (1), Peter T
Series: DESIGN
Institution: 1: Lule
Section: Design for Additive Manufacturing
Page(s): 1421-1430
DOI number:
ISSN: 2732-527X (Online)


Laser Powder Bed Fusion (LPBF) brings the possibility to manufacture innovative near-net-shape part designs. But unfortunately, some designed surfaces suffer from rough surface finish due to characteristics of the LPBF process. This paper explores trends in managing surface roughness and through a space industry case study, a proposed process that uses Additive Manufacturing Design Artefacts (AMDAs) is used to investigate the relationship between design, surface roughness and fatigue. The process enables the identification of design uncertainties, however, iterations of AMDA's can be required.

Keywords: additive manufacturing, surface roughness, design for additive manufacturing (DfAM), design for x (DfX), design methods

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