Abstract
The apparent cascaded density of binary, disized powder blends, by existing theory, should have a maximum in the apparent density at a fraction of fines where all voids in the packing of the coarse particles are filled. Plots of apparent specific volume ( y) versus fraction of fines ( x) should consist of two lines intersecting at the x-value corresponding to maximum apparent density. Experimental data obtained from slightly off-spherical granules are linear, as predicted, but the intersects at x = 0 and x = 1 deviate from values predicted by theory. These deviations are explained by applying the concepts of Ben Aim and LeGoff [1 – 4] to binary packings.
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