Blending of powders is defined as the thorough intermingling of powders of the same nominal composition. Premixing is the preparation of a uniform mixture of two or more components. This article provides information on the blending and premixing variables required to produce adequate results in the powder mixture. It describes the effects of metal powder characteristics on blending and mixing: particle size, shape, density, and surface features. The article also provides information on the equipment, tumble-type blenders, and low-shear agitated-type blenders used for blending and premixing solids.
Chris Schade, Blending and Premixing of Metal Powders and Binders, Powder Metallurgy, Vol 7, ASM Handbook, Edited By P. Samal, J. Newkirk, ASM International, 2015, p 88–92, https://doi.org/10.31399/asm.hb.v07.a0006088
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