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Investigation of Dimensional Stability and Coating Performance of Different Heat-Treated Poplar Wood Before and After Accelerated Aging
2015 - IRG/WP 15-40702
In this investigation, coating performance of heat-treated poplar wood (Populus tremuloioes) in different environments, before and after accelerated aging was studied. Specimens with 150×100×20 mm and 20×20×20 mm in dimensions were prepared. Heat treatments were performed in air, steam and linseed oil media. Specimens were coated by alkyd based stain. Adhesion strength before and after aging, ...
A Talaei, D Ansari Movahed, G Rassam
State of Nanocopper Fixation by Steam-Densification
2016 - IRG/WP 16-40723
This study was aimed to investigate the effect of steam treatment before densification on leachability and dimensional stability of nanocopper impregnated poplar (Popolus alba). Wood samples were impregnated with nanocopper suspension (200 and 400 ppm) for 20 minutes under 4 bar pressure. Steaming process was done before densification at 150°C for 2 hour. Radial densification (33%) was done conse...
G Rassam, A Talaei, A Ahmadi
Effect of Furfurylation on Shear Strength of Bond Line and Screw Withdrawal Resistance of Beech and Fir Wood
2016 - IRG/WP 16-40757
The aim of this study was to investigate the effects of furfurylation on shear strength of bond line and screw withdrawal resistance of beech (Fagus orientalis) and fir (Abies alba) species. In this regard, specimens with two different values of furfurylation i.e. low (fir 14% and beech 20%) and high (fir 38% and beech 65%) levels were prepared and evaluated in comparison with untreated specimens....
A Talaei, H Abdolzadeh, M Saleh Zare