DETERMINING THE BENDING AND TENSILE STRENGTH OF IMPREGNATED WITH RAPESEED OIL EUROPEAN BEECH (FAGUS SYLVATICA) WOOD JOINTS GLUED WITH PVAC AND PU
Thomas Tsioukas, Dimitrios Birbilis, Sotirios Karastergiou, Konstantinos Kakavas
Pages: 653-658
Published: 23 Oct 2015
Views: 2,189
Downloads: 551
Abstract: The objective of this study was to examine bending and tensile strength of beech wood (Fagus sylvatica) joints (basic mortise and tenon) along with the effect of wood impregnation with rapeseed oil and type of glue (PVA or PU). The wood specimens were impregnated with the empty-cell treatment (Lowry process). Retention of rape oil was about 273 kg/m3. Beech wood impregnation led to some reduction of the bending and tensile strength. Bending strength of the specimens reduced from 9,9% up to 25,9% while tensile strength reduced from 19,7 up to 35,2% for joints glued with PVA and from 2,1 up to 16,7% for joints glued with PU. Joints glued with PU had higher bending and tensile strength in most cases. Joints constructed from wood impregnated before mortise and tenon construction had generally higher mechanical strength. Joints constructed from impregnated wood that primarily treated with turpentine, had lower mechanical strength, than the non treated with turpentine joints.
Keywords: beech wood, impregnation, rapeseed oil, bending, tensile strength
Cite this article: Thomas Tsioukas, Dimitrios Birbilis, Sotirios Karastergiou, Konstantinos Kakavas. DETERMINING THE BENDING AND TENSILE STRENGTH OF IMPREGNATED WITH RAPESEED OIL EUROPEAN BEECH (FAGUS SYLVATICA) WOOD JOINTS GLUED WITH PVAC AND PU. Journal of International Scientific Publications: Materials, Methods & Technologies 9, 653-658 (2015). https://www.scientific-publications.net/en/article/1000999/
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