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Micromorphological studies of modified wood using a surface preparation technique based on ultraviolet laser ablation
SP- Sveriges Tekniska Forskningsinstitut, Trätek.
SP- Sveriges Tekniska Forskningsinstitut, Trätek.
2009 (English)In: Wood Material Science & Engineering, ISSN 1748-0272, E-ISSN 1748-0280, Vol. 4, no 1-2, 46-51 p.Article in journal (Refereed)
Abstract [en]

The objective of this paper is to demonstrate an ultraviolet (UV) laser ablation technique as a tool for sample preparation in microscopy studies of modified wood. Improved techniques for studying the microstructure of modified wood are crucial for a deeper understanding of many of their physical, mechanical and durability properties. The surface preparation technique is described in this paper. An illustration of micrographs of the micromorphology and polymer distribution in some examples of modified wood is also presented. It is clearly demonstrated that in contrast to conventional surface preparation techniques used for light microscopy and scanning electron microscopy, i.e. razor blade and microtome cutting techniques, UV laser ablation does not introduce any mechanically induced microcracks and redistribution of polymers or other mobile substances in the prepared surface. Results also show that, in particular, this technique seems to be suitable for studying polymer distribution in resin-impregnated wood, as well as detection of microcracks in modified wood cell walls.

Place, publisher, year, edition, pages
2009. Vol. 4, no 1-2, 46-51 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-6138Local ID: 10329OAI: oai:DiVA.org:ri-6138DiVA: diva2:963973
Available from: 2016-09-08 Created: 2016-09-08 Last updated: 2017-11-21Bibliographically approved

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