Particle aggregation
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Particle aggregation in materials science is direct mutual attraction between particles (atoms or molecules) via van der Waals forces or chemical bonding.
Particle aggregation is often spontaneous and involves one particle attaching to another particle or existing aggregate of particles.
Particle aggregation occurs when particles come into close contact with each other.
When there are collisions between particles in fluid, there is a chance that particles will attach to each other and become larger particle.
There are 3 major physical mechanisms to form aggregate: Brownian motion, Fluid shear and differential settling.
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