Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/8196
Title: Calculating Shape Factors from Particle Sizing Data
Authors: Barreiros, Fátima M. 
Ferreira, Paulo J. 
Figueiredo, M. Margarida 
Issue Date: 1996
Citation: Particle and Particle Systems Characterization. 13:6 (1996) 368-373
Abstract: It is well established that particle size and shape substantially influence the bulk properties of powdered materials. Although these characteristics are closely interrelated, the tendency has been to analyse the particle size independently from particle shape. The aim of this work was the assessment of particle shape through particle sizing data. For this purpose, three different particle shape materials - glass beads (spherical), crushed glass (moderately irregular) and mica (lamellar) - were tested, employing four particle sizers. The shape factor selected was the Wadell's sphericity, which was evaluated utilizing distinct equations. The comparison of the results reveals problems arising from the use of approximations rather than more fundamental equations.
URI: http://hdl.handle.net/10316/8196
DOI: 10.1002/ppsc.19960130607
Rights: closedAccess
Appears in Collections:FCTUC Eng.Química - Artigos em Revistas Internacionais

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