DETERMINING THE TENSILE STRENGTH AND OTHER PROPERTIES OF EUROPEAN BEECH (FAGUS SYLVATICA) WOOD IMPREGNATED WITH RAPESEED OIL
Konstantinos V. Kakavas, Dimitrios Birbilis, Thomas Tsioukas
Pages: 819-823 Published: 15 Dec 2014
Views: 2,318 Downloads: 922
Abstract: European beech (Fagus sylvatica) is one of the most important Greek forest species, as it produces a great amount commercial wood valuable for exterior use. The purpose of this study was to investigate the possibility of using natural oil (rape oil) to improve beech wood properties (dimensional stability and duration). Specifically, the objective of this study was to determine the tensile strength of lap joints, water absorption and swelling of glued European beech (Fagus sylvatica) wood impregnated with rapeseed oil. Rape oil retention ranged between 146,51 and 294,20 kg/m3. The impregnated specimens had an absorption of about 20%, while the untreated near 60%. The rate of swelling was also decreased in impregnated specimens. The impregnated specimens had a little lower tensile strength than the untreated ones mostly when glued with polyurethane (PU).