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Comparative study of metallic powder flowability testing methods
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap, Processer.ORCID-id: 0000-0001-6204-0356
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap, Processer.ORCID-id: 0000-0002-6339-4612
2019 (engelsk)Inngår i: Euro PM 2019 Congress and Exhibition, European Powder Metallurgy Association (EPMA) , 2019Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The flowability of a powder is an important characteristic that depends on both the physical properties of the particle ensemble and the testing method, equipment and conditions. In additive manufacturing processes, flowability can be an indicator of the quality of the deposited powder layer and, therefore, the final component. In this study, we carried out a comparison of the flowability of different steel powders and the data generated by a range of testing methods. Each sample had a unique combination of composition and particle size range. Flowability testing equipment and methods were selected according to standards (angle of repose, Hausner Ratio, Hall flow) or published literature (FT4 Powder Rheometer). We measured the flowability of different samples for each testing method, in order to obtain a first dataset. Secondly, we evaluated the correlations between different flowability testing methods.

sted, utgiver, år, opplag, sider
European Powder Metallurgy Association (EPMA) , 2019.
Emneord [en]
3D printers, Particle size, Powder metallurgy, Statistical tests, Steel powder metallurgy, Additive manufacturing process, Angle of repose, Comparative studies, Metallic powder, Particle size ranges, Powder rheometers, Testing equipment, Testing method, Compressive strength
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-301537Scopus ID: 2-s2.0-85101961358OAI: oai:DiVA.org:kth-301537DiVA, id: diva2:1593880
Konferanse
European Powder Metallurgy Congress and Exhibition, Euro PM 2019, 13 October 2019 through 16 October 2019
Merknad

Part of ISBN 9781899072514

QC 20210914

Tilgjengelig fra: 2021-09-14 Laget: 2021-09-14 Sist oppdatert: 2024-03-11bibliografisk kontrollert

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Marchetti, LorenzoHulme-Smith, Christopher

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