Author:
Sinn G.,Gindl M.,Reiterer A.,Stanzl-Tschegg S.
Abstract
Abstract
Spruce and beech wood specimens were sanded with
four different grain sizes. Surface morphological and
chemical changes were determined by roughness measurement,
surface free energy determination according to
acid-base theory and X-ray photoelectron spectroscopy.
An analysis model was proposed to describe chemical
changes due to sanding and the data were analysed
according to it. It could be shown that spruce and beech
behave similarly over a wide range and that chemical
changes are non-linear functions of grain size and thus
surface roughness. A maximum of surface free energy
and a maximum of carbon C1s sub-peak ratio (ratio of
carbon bonded to a single non-carbonyl oxygen to carbon
bonded only to hydrogen or other carbon atoms)
was found for middle grain size.
Cited by
43 articles.
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