Abstract
Hollow ceramic microtubes have been prepared by dip-coating of fibrous plants with water based alumina gel-casting slurries using hemp and coconut fibres as templates. Good correlation between the diameters of the template fibres and the resulting channels have been found. Hemp fibres used as bundles have lead to the formation of multi channel patterns (see figure) and the coconut fibres-templated process resulted in uniform monochannel materials. The micro tubes show good mechanical handling.
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