| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Yamamoto, Akio
VTT Technical Research Centre of Finland
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Improving mechanical performance and functionality of birch veneer with mechano-enzymatic microfibrillated cellulose coatingcitations
- 2023Biodegradable Cellulose Nanocomposite Substrate for Recyclable Flexible Printed Electronicscitations
- 2020The effect of compression and incision on wood veneer and plywood physical and mechanical propertiescitations
- 2017Surface activation of wood by corona treatment and NaOH soaking for improved bond performance in plywoodcitations
- 2017Pre-treatment with sodium silicate, sodium hydroxide, ionic liquids or methacrylate resin to reduce the set-recovery and increase the hardness of surface-densified scots pinecitations
- 2016Effect of log soaking and the temperature of peeling on the properties of Rotary-cut birch (Betula pendula Roth) veneer bonded with phenol-formaldehyde adhesivecitations
- 2015Chemical characteristics of squeezable sap of hydrothermally treated silver birch logs (Betula pendula)citations
- 2015The Effect of Hydrothermal Treatment on the Color Stability and Chemical Properties of Birch Veneer Surfacescitations
- 2015Chemical characteristics of squeezable sap of hydrothermally treated silver birch logs (Betula pendula):Effect of treatment time and the quality of the soaking water in pilot scale experimentcitations
- 2011The effect of hydrothermal pre-treatment on the chemical characteristics of the xylem of silver birch
Places of action
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article
The effect of compression and incision on wood veneer and plywood physical and mechanical properties
Abstract
Drying takes the largest share of energy in plywood production, and varying moisture content of veneers necessitates re-drying that often leads to over-dry veneers with deactivated surfaces, which may promote imperfect bonding. In order to decrease the drying time, reduce the need for re-drying of veneers, and improve the quality of plywood, birch and spruce veneers were subjected to pre-treatment by cold compression, incision, or a combination of the two. The effects of pre-treatment on the veneer and plywood quality were assessed by standard tests. Compression had a beneficial effect on water removal of the wettest veneers (spruce sapwood (SW) and birch), but some thickness reduction was observed in the veneers as well as the finished birch plywood. Compression led to thickness reduction of spruce veneers, but had no effect on SW plywood thickness likely due to higher viscoelasticity. Both compression and the combination of incising and compression levelled the moisture variation within the compressed stacks. Incision improved the modulus of elasticity of birch plywood, shear strength of SW plywood, and both bending and shear strengths of heartwood plywood. Higher surface pressure decreased the drying time of spruce SW in both plain compression and combined incision and compression pre-treatment.