Understanding the Effect of Particle Size on Void Fraction
In this article, Bettersize's BetterPyc 380 is used to characterize glass beads, thereby understanding the effect of particle size on glass bead void fraction. The void fraction, an important powder packing property, directly impacts many of the powder's physical characteristics and applications.
To demonstrate how the variation in powder particle size affects its packing property, this article illustrates the skeletal density, tapped density, bulk density and void fraction of glass beads at different particle sizes.
Porosity is the primary characteristic of dry powder, and it usually only considers the fraction of voids between the particles. This property is valuable for understanding the electrical, mechanical, flow, and heat transfer properties of the powder in various fields, including ceramic, soil, metallurgy, and pharmaceutical.
The void fractions are associated with particle size, particle shape, and packing mode.
Author summary: Particle size affects void fraction.
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