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Design for Qualification: A Process for Developing Additive Manufacturing Components for Critical Systems
Luleå University of Technology, Department of Business Administration, Technology and Social Sciences. (Product Innovation)ORCID iD: 0000-0002-3086-9140
Luleå University of Technology, Department of Business Administration, Technology and Social Sciences. (Product Innovation)ORCID iD: 0000-0001-7108-6356
2018 (English)In: Proceedings of NordDesign: Design in the Era of Digitalization, 2018Conference paper, Published paper (Refereed)
Abstract [en]

Additive Manufacturing (AM), and more specifically Powder Bed Fusion, offers design freedom, functional integration, and cost efficient manufacturing of customised products. These design and manufacturing capabilities are relevant for the space industry with its characteristic low production volumes, high-performance products, pursuit for low weight, and a recent need for cost reduction due to increased market competition. At the same time, the space industry is characterised by products in harsh environments without room for failure, nor the possibility to repair broken parts in service. Product qualification is therefore an important part of the product development process in the space industry, with the purpose of showing that the product design and its manufacturing process fulfils the technical requirements. Qualification is a challenge for AM that currently exhibits a sensitivity in part mechanical properties based on geometry and build orientation, as well as a variability in process outcome. As with other manufacturing processes, design engineers have to take process capabilities into account during product design to render a manufacturable product (Design for AM), but also to achieve the right quality and function (Design for Excellence). Apart from manufacturability, product qualification has to be considered early in the product development process of AM parts. Given the lack of understanding of AM process characteristics, design engineers are in need of design supports to facilitate the qualification of critical AM parts. This paper presents a Design for Qualification process model for development of AM components in critical space systems. The model is proposed based on research performed in the space industry with several case companies. 

Place, publisher, year, edition, pages
2018.
Series
DS ; 91
Keywords [en]
Product Development, Design for Additive Manufacturing, Space Applications, Qualification
National Category
Other Engineering and Technologies not elsewhere specified
Research subject
Product Innovation
Identifiers
URN: urn:nbn:se:ltu:diva-70825Scopus ID: 2-s2.0-85057142199ISBN: 9789176851852 (print)OAI: oai:DiVA.org:ltu-70825DiVA, id: diva2:1247094
Conference
13th Biennial Norddesign Conference, NordDesign 2018, Linköping, Sweden, August 14-17 2018
Available from: 2018-09-11 Created: 2018-09-11 Last updated: 2023-09-05Bibliographically approved

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Dordlofva, ChristoTörlind, Peter

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