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Effect of Interparticle Potentials and Sedimentation on Particle Packing Density of Bimodal Particle Distributions During Pressure Filtration
Author(s) -
Velamakanni Bhaskar V.,
Lange Fred F.
Publication year - 1991
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1991.tb07313.x
Subject(s) - sphere packing , slurry , sedimentation , consolidation (business) , viscosity , particle (ecology) , atomic packing factor , materials science , particle size , filtration (mathematics) , particle size distribution , colloid , mineralogy , composite material , chemical engineering , chemistry , crystallography , geology , engineering , accounting , business , paleontology , oceanography , statistics , mathematics , sediment
Effect of interparticle forces, bimodal particle size distribution, and slurry viscosity on particle packing in alumina bodies consolidated by pressure filtration is presented. The requirements for packing colloidal particles to their highest density are strong repulsive interparticle forces and optimum particle size distribution. Even though these conditions are met, the high packing density in consolidated bodies may be adversely affected by particle segregation resulting from sedimentation. Therefore, the slurry during consolidation must have a sufficiently high viscosity to prevent sedimentation.