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Mechanical properties of agglomerates produced by the mechanical vibration of cohesive powders

Mechanical properties of agglomerates produced by the mechanical vibration of cohesive powders

Salehi Kahrizsangi, Hamid ORCID: 0000-0002-2516-6619, Barletta, Diego and Poletto, Massimo (2016) Mechanical properties of agglomerates produced by the mechanical vibration of cohesive powders. KONA Powder and Particle Journal, 33. pp. 287-295. ISSN 0288-4534 (Print), 2187-5537 (Online) (doi:https://doi.org/10.14356/kona.2016011)

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Abstract

The process of granule formation from aggregative cohesive powders under the action of mechanical vibration is studied. Vibration frequency and acceleration levels were set independently in the experiments. The process of agglomerate formation is examined by measuring the size distributions of the agglomerates and their resistance under uniaxial compression. The results indicate the formation of wide particle size distributions and hard and compact agglomerates. The experimental results and the interpretation of data suggest that, in order to produce agglomerates by mechanical vibration, powders should have flow functions with a flow factor value smaller than 3. In agreement with the theoretical framework proposed, agglomerate consolidation pressures and deformation at breakage seem to be almost independent of the agglomerate diameter and the vibration conditions.

Item Type: Article
Additional Information: This article is licensed under a Creative Commons Attribution 4.0 International license. (https://creativecommons.org/licenses/by/4.0/)
Uncontrolled Keywords: cohesive powders, mechanical vibration agglomerates, compression test
Subjects: Q Science > Q Science (General)
T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > School of Engineering (ENN)
Last Modified: 21 Oct 2020 08:39
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
Selected for REF2021: REF 6
URI: http://gala.gre.ac.uk/id/eprint/25502

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