Particle Shape Modification in Comminution

Particle Shape Modification in Comminution

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faber-castell tamitio rollerball pen The evolution of particle shape during the course of comminution processes has been investigated.Shape is characterized using a variety of quantitative shape descriptors determined from particle profiles obtained by image analysis.Descriptors related to particle elongation, roundness and angularity are emphasized.Distributions of the descriptors have been determined for a range of particle sizes, for different extents of grinding for various equipment types.For a given descriptor, the distributions of measured values generally follow a consistent pattern (often roughly log normal).

Typically, the means and standard deviations show progressive hp 15-da0008ca changes as grinding time increases.For the most part, prolonged exposure to the grinding environment leads to rounding of the particles.