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2018

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08

Methods for Determining the Particle Size Distribution of MIM Powders

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Particle size distribution of MIM powder

The particle size distribution of MIM powders is typically measured using a laser particle sizer. This is because lasers possess excellent monochromaticity and strong directivity: when a laser beam encounters particles, part of the light is scattered, and the scattering direction forms an angle with the main beam. The magnitude of this scattering angle depends on the particle size—larger particles produce smaller scattering angles, while smaller particles yield larger angles. The intensity of the scattered light corresponds to the number of particles of a given size; thus, by measuring the scattering intensity at various angles, one can determine the particle size distribution of the sample.

mim, particles, scattered light, particle size, distribution, size, laser, propagation, larger, powder