|Publisher DOI:||10.1007/s10035-013-0464-2||Title:||Contact models based on experimental characterization of irregular shaped, micrometer-sized particles||Language:||English||Authors:||Gilson, Laurent
|Keywords:||Contact models; Fine particles; Maltodextrin; Titanium dioxide||Issue Date:||Jun-2014||Source:||Granular Matter 16 (3) : 313-326 (2014-06)||Abstract (english):||
The goal of this study is to investigate experimentally the mechanical contact properties of fine particles (<120μ m) using of a novel experimental setup. On the basis of deformation curves from compression tests, particle behaviour under mechanical stress can be approximated with theoretical contact models. Models examined in this study include Walton and Braun, Tomas and Antonyuk, Zener and Thornton. Influence of climatic conditions on particle behaviour as well as hardening effects related to cyclic loading were also considered. Maltodextrin was used as a model substance for primary particles, while irregular shaped titanium dioxide granules were used to study the behaviour of agglomerates. In both cases, results are in good agreement with the established theories. © 2014 Springer-Verlag Berlin Heidelberg.
|URI:||http://hdl.handle.net/11420/13642||ISSN:||1434-5021||Journal:||Granular matter||Institute:||Feststoffverfahrenstechnik und Partikeltechnologie V-3||Document Type:||Article|
|Appears in Collections:||Publications without fulltext|
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