Determination of the angle of repose of hard metal granules

[en] The angle of repose is a quantity that delivers direct information about the flowability of granular material. It is therefore desirable to have a reliable experimental method for its determination. Based on the well-established funnel method with continuous mass flow, an extension is introduced which allows increasing the precision and reproducibility of the angle of repose measurements. A modified experimental setup is presented which exploits asymmetries in the alignment of the mechanical setup to gain more precision in the determination of the angle of repose. This experimental setup is combined with an evaluation method based on automated image analysis. The first results for a set of metal powders are presented.

Disciplines :

Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others

Author, co-author :

Just, Marvin ; University of Luxembourg ; University of Luxembourg > Faculty of Science, Technology and Medecine (FSTM) ; 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.

Hippe, Frankie; CERATIZIT Luxembourg S.a r.l.

Useldinger, Ralf; CERATIZIT Luxembourg S.a 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 :

Determination of the angle of repose of hard metal granules

Publication date :

July 2022

Journal title :

Powder Technology

ISSN :

0032-5910

Publisher :

Elsevier, Lausanne, Netherlands

Volume :

407

Pages :

117695

Peer reviewed :

Peer reviewed

Focus Area :

Physics and Materials Science

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 - Luxembourg National Research Fund [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].

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