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

Published online by Cambridge University Press:  26 May 2022

D. Obilanade ,
P. Törlind  and
C. Dordlofva
D. Obilanade*
Affiliation:
Luleå University of Technology, Sweden
P. Törlind
Affiliation:
Luleå University of Technology, Sweden
C. Dordlofva
Affiliation:
Luleå University of Technology, Sweden GKN Aerospace Engine Systems, Sweden
*
[email protected]

Abstract

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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 manufacturingsurface roughnessdesign for additive manufacturing (DfAM)design for x (DfX)design methods
Type
Article
Information
Proceedings of the Design Society , Volume 2: DESIGN2022 , May 2022 , pp. 1421 - 1430
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Copyright
The Author(s), 2022.

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