The Effect of Veneers Roughness on Bonding and Some Mechanical Properties of Plywood

Bonding technology is one of the keytechnologies for producing wood-based materials.Surface quality of solid wood products is one of themost important properties influencing furthermanufacturing processes such as finishing orstrength of adhesive joint. The aim of this study wasto determine the influ...

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Main Authors: Ismail AYDIN, Cenk DEMIRKIR, Semra COLAK, Emilia – Adela SALCA
Format: Article
Language:English
Published: Editura Universitatii Transilvania din Brasov 2013-03-01
Series:Pro Ligno
Subjects:
Online Access:http://www.proligno.ro/en/articles/2013/1/aydin_full.pdf
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author Ismail AYDIN
Cenk DEMIRKIR
Semra COLAK
Emilia – Adela SALCA
author_facet Ismail AYDIN
Cenk DEMIRKIR
Semra COLAK
Emilia – Adela SALCA
author_sort Ismail AYDIN
collection DOAJ
description Bonding technology is one of the keytechnologies for producing wood-based materials.Surface quality of solid wood products is one of themost important properties influencing furthermanufacturing processes such as finishing orstrength of adhesive joint. The aim of this study wasto determine the influence of sanding with differentgrit sizes on bonding strength and some mechanicalproperties of poplar and beech plywood. For thisreason, 2mm thick rotary cut veneers obtained fromfreshly cut (not treated) poplar (Populus deltoides I-77/51) and beech (Fagus orientalis) logs were usedas material. The surfaces of some veneers weresanded with 80 and 180 grit size. Three-layerplywoodwere produced from sanded and nonsandedveneers using phenol formaldehyde glueresins to evaluate the effects of sanding somemechanical properties of plywood. Rz roughnessparameter was measured to evaluate surfaceroughness of veneer according to DIN 4768.Bonding and bending strength values of plywoodmanufactured from sanded and non-sanded veneersvaried depending on wood species and grit size.Bonding strength values of plywood increased withdecreasing surface roughness values of veneersboth of two wood species.
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spelling doaj.art-e1142e4e16e44d8abbaed275660aef862022-12-22T01:45:36ZengEditura Universitatii Transilvania din BrasovPro Ligno1841-47372069-74302013-03-01914149The Effect of Veneers Roughness on Bonding and Some Mechanical Properties of PlywoodIsmail AYDINCenk DEMIRKIRSemra COLAKEmilia – Adela SALCABonding technology is one of the keytechnologies for producing wood-based materials.Surface quality of solid wood products is one of themost important properties influencing furthermanufacturing processes such as finishing orstrength of adhesive joint. The aim of this study wasto determine the influence of sanding with differentgrit sizes on bonding strength and some mechanicalproperties of poplar and beech plywood. For thisreason, 2mm thick rotary cut veneers obtained fromfreshly cut (not treated) poplar (Populus deltoides I-77/51) and beech (Fagus orientalis) logs were usedas material. The surfaces of some veneers weresanded with 80 and 180 grit size. Three-layerplywoodwere produced from sanded and nonsandedveneers using phenol formaldehyde glueresins to evaluate the effects of sanding somemechanical properties of plywood. Rz roughnessparameter was measured to evaluate surfaceroughness of veneer according to DIN 4768.Bonding and bending strength values of plywoodmanufactured from sanded and non-sanded veneersvaried depending on wood species and grit size.Bonding strength values of plywood increased withdecreasing surface roughness values of veneersboth of two wood species.http://www.proligno.ro/en/articles/2013/1/aydin_full.pdfsurface roughnesssplywoodbondingmechanical properties
spellingShingle Ismail AYDIN
Cenk DEMIRKIR
Semra COLAK
Emilia – Adela SALCA
The Effect of Veneers Roughness on Bonding and Some Mechanical Properties of Plywood
Pro Ligno
surface roughnesss
plywood
bonding
mechanical properties
title The Effect of Veneers Roughness on Bonding and Some Mechanical Properties of Plywood
title_full The Effect of Veneers Roughness on Bonding and Some Mechanical Properties of Plywood
title_fullStr The Effect of Veneers Roughness on Bonding and Some Mechanical Properties of Plywood
title_full_unstemmed The Effect of Veneers Roughness on Bonding and Some Mechanical Properties of Plywood
title_short The Effect of Veneers Roughness on Bonding and Some Mechanical Properties of Plywood
title_sort effect of veneers roughness on bonding and some mechanical properties of plywood
topic surface roughnesss
plywood
bonding
mechanical properties
url http://www.proligno.ro/en/articles/2013/1/aydin_full.pdf
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