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Evaluating flowability of additive manufacturing powders, using the Gustavsson flow meter
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, KIMAB.
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, IVF.ORCID-id: 0000-0001-6859-6830
AB Sandvik Materials Technology, Sweden.
Siemens Industrial Turbomachinery AB, Sweden.
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2017 (Engelska)Ingår i: Metal Powder Report, ISSN 0026-0657, E-ISSN 1873-4065, Vol. 72, nr 5, s. 322-326Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The Gustavsson flow meter (including standard ISO-13517) is in this paper used to measure flow rate of fine AM powders. In the current paper, the results are compared to the Hall flow meter and a Freeman FT4 powder rheometer in terms of success of measuring these AM powders. The range of possible powders to measure is smaller with Gustavsson flow meter; but in this range, the difference in flow time is greater compared to the Hall flow meter. Compared to using the rheometer, the Gustavsson flow meter is faster and simpler to use; however, other powder-aspects are evaluated since little correlation was found. For the powders in this paper, all methods of characterizing the flowability could distinguish between (1) two alloys, and (2) if the alloys were new or used (in SLM), and (3) if they were dried or non-dried.

Ort, förlag, år, upplaga, sidor
Elsevier Ltd , 2017. Vol. 72, nr 5, s. 322-326
Nyckelord [en]
3D printers, Compressive strength, Flow measurement, Flow rate, Powders, Rheometers, Flow-time, Flowability, Powder rheometers, Flowmeters
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-30171DOI: 10.1016/j.mprp.2017.06.003Scopus ID: 2-s2.0-85021910716OAI: oai:DiVA.org:ri-30171DiVA, id: diva2:1129194
Tillgänglig från: 2017-08-01 Skapad: 2017-08-01 Senast uppdaterad: 2020-06-03Bibliografiskt granskad

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