The interfacial friction of compacted maize powders

Abstract
This paper describes an experimental study of the friction generated between compacted maize and smooth ridge counterfaces. The influence of compaction conditions and the normal load is presented for a hemispherical compact in contact with a smooth rigid plane. The data are analysed using the approaches which have been widely adopted to interpret the friction of rough solid bodies. The compact surface is an interesting and structurally simple case of a rough solid surface. These analyses are shown to provide a good prediction of the friction and its load dependence.

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