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Powder
Characterization Laboratory
McMahon Building, Room
340
The
powder characterization laboratory houses equipment
for characterizing ceramic powders and their processing
behavior. Particle size distribution to submicron
levels, porosity, density and surface area are routinely
measured. The stability and electro kinetic behavior
of particles in aqueous and non-aqueous suspensions
are evaluated through zeta potential measurements
over a wide pH range.
A MISURA heating microscope characterizes the thermal behavior of powder compacts in situ during heating up to 1600° C, with ramp rates up to 80° C/minute. The microscope measures the thermal expansion, softening temperature, shrinkage, melt viscosity, surface tension and contact angle on various substrates. Sample images collected during heating reveal the sintering, flow and wetting behavior. A spectrophotometer is also available for optical property and color measurements of surfaces, using standard light sources and color systems.