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Characterization and Control of Powder Properties for Additive Manufacturing
RISE, Swerea, Swerea KIMAB.
RISE, Swerea, Swerea IVF.
Siemens AB.
Arcam AB.
2015 (English)In: JOM: The Member Journal of TMS, ISSN 1047-4838, E-ISSN 1543-1851, Vol. 67, no 3, 549-554 p.Article in journal (Refereed)
Abstract [en]

Powder characterization and handling in powder metallurgy are important issues and the required powder properties will vary between different component manufacturing processes. By understanding and controlling these, the final material properties for different applications can be improved and become more reliable. In this study, the metal powders used in additive manufacturing (AM) in terms of electron beam melting and selective laser melting have been investigated regarding particle size and shape using dynamic image analysis. In parallel, powder flow characteristics have been evaluated with a powder rheometer. Correlations within the results have been found between particle shape and powder flow characteristics that could explain certain effects of the powder processing in the AM processes. The impact, however, in the processing performance as well as in ultimate material properties was found to be limited. © 2015, The Minerals, Metals & Materials Society.

Place, publisher, year, edition, pages
2015. Vol. 67, no 3, 549-554 p.
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-12790DOI: 10.1007/s11837-015-1304-0Scopus ID: 2-s2.0-84925494440OAI: oai:DiVA.org:ri-12790DiVA: diva2:972983
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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