Improvement of flow of an iron-copper-graphite powder mix through additions of nanoparticles

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DOIResolve DOI: http://doi.org/10.1016/j.powtec.2016.05.046
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TypeArticle
Journal titlePowder Technology
ISSN0032-5910
Volume299
Pages156167
SubjectPowder metallurgy; Nanoparticles; Apparent density; Graphite; Lubricant
AbstractNanoparticles of carbon black, silica and ferrous oxide were added to FC-0208 powder metallurgy blends prepared using ethylene bis stearamide as lubricant to investigate their influence on improving flowability of this formulation that tends to be cohesive. This study consisted in preparing multiple premixes having different quantities of nanoparticles of different types and evaluating their impact on flowability and apparent density according to MPIF standards. The important variables for the distribution of nanoparticles on the surface of the host particles were the sequence of addition of all of the constituents, the quantity of nanoparticles and the mixing time. It was possible to identify a condition presenting good flowability with a flow time of 34.9 s/50 g and an apparent density of 2.78 g/cm³.
Publication date
PublisherElsevier
LanguageEnglish
AffiliationAutomotive and Surface Transportation; National Research Council Canada
Peer reviewedYes
IdentifierS0032591016302911
NPARC number23000331
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Record identifier7a0c5759-5768-4bba-b625-bc45165c13c5
Record created2016-07-07
Record modified2016-07-07
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