Beverloo law; Angle of repose; Granullar matter; Hard metal; Powder flow
Abstract :
[en] The mass flow of granular matter through orifices can be described by the well-known Beverloo law. It depends on particle and orifice sizes, interparticle and particle/container interaction forces, particles’ surfaces - to name a few influences on the mass flow rate. We present an experimental study of the flow of a set of ready-to-press (RTP) hard metal powders through orifices of varying diameter. The obtained parameters of the Beverloo law are compared with angle of repose measurements. The interplay between attractive interparticle forces and gravitational forces are discussed for both types of experimental measurements and related to the difference between particle and orifice size.
Disciplines :
Physics Materials science & engineering
Author, co-author :
JUST, Marvin ; University of Luxembourg ; CERATIZIT Luxembourg S.à r.l.
MEDINA PESCHIUTTA, Alexander ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS) ; CERATIZIT Luxembourg S.à r.l.
Useldinger, Ralph; CERATIZIT Luxembourg S.à r.l.
BALLER, Jörg ; University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
External co-authors :
yes
Language :
English
Title :
Maximum in Mass Flow Rates of Hard Metal Granules Through Circular Orifices in Relation to the Angle of Repose
Publication date :
October 2023
Event name :
EURO PM2023 Congress & Exhibition
Event organizer :
European Powder Metallurgy Association EPMA
Event date :
from 1 to 4 October 2023
Audience :
International
Peer reviewed :
Peer reviewed
FnR Project :
FNR13320318 - Metal Powder Flow, 2018 (15/04/2019-14/04/2023) - Marvin Just FNR14187658 - Rheology Of Hard Metal Pastes., 2019 (01/02/2020-31/01/2024) - Alexander Medina Peschiutta
Name of the research project :
MEPFLOW, RHAMEP
Funders :
FNR - Fonds National de la Recherche [LU] CERATIZIT Luxembourg S.à r.l.
Funding text :
This work was funded in whole, or in part, by the Luxembourg National Research Fund and by CERATIZIT Luxembourg S.à r.l. with two Industrial Fellowships grants. Grant acronyms and references are MEPFLOW [13320318] and RHAMEP [14187658].
