Author(s):
Barreiros, Fátima M. 
; Ferreira, Paulo J. ; Figueiredo, M. Margarida
Date: 1996
Persistent ID: http://hdl.handle.net/10316/8196
Origin: Estudo Geral - Universidade de Coimbra
Document details
Calculating Shape Factors from Particle Sizing Data
Description
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. http://dx.doi.org/10.1002/ppsc.19960130607
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. http://dx.doi.org/10.1002/ppsc.19960130607
Document Type
Article
Language English
Language English
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