Production of blockboard from small athel slats end-glued by different type of joint

Abstract: This study evaluated the effect of joint type of short athel (Tamarix aphila) slats at three levels (butt joint, mitered joint, and half lap joint) in core layer veneer consisting of three wood species (Fir, Beech, and Oak). The joints were glued with PVAc and sandwiched by veneers with di...

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Autores principales:	Nazerian,Morteza, Moazami,Vahid, Farokhpayam,Saeedreza, Gargari,Rahim Mohebi
Lenguaje:	English
Publicado:	Universidad del Bío-Bío 2018
Materias:	Beech bending strength blockboard panel end to end half lap joint Fir melamine-urea formaldehyde Oak
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2018000221101
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spelling	oai:scielo:S0718-221X20180002211012018-09-25Production of blockboard from small athel slats end-glued by different type of jointNazerian,MortezaMoazami,VahidFarokhpayam,SaeedrezaGargari,Rahim Mohebi Beech bending strength blockboard panel end to end half lap joint Fir melamine-urea formaldehyde Oak Abstract: This study evaluated the effect of joint type of short athel (Tamarix aphila) slats at three levels (butt joint, mitered joint, and half lap joint) in core layer veneer consisting of three wood species (Fir, Beech, and Oak). The joints were glued with PVAc and sandwiched by veneers with different ratios of melamine formaldehyde/urea formaldehyde resin (0:100, 25:75, and 50:50) in glue line to determine the modulus of rupture in dry and wet conditions. It was found that the highest dry and wet modulus of rupture was obtained in specimens having slats jointed with half lap joint veneered with fir by using MF/UF ratio of 50:50. The maximum modulus of rupture parallel to the face/back veneer grain value in dry condition (83,40 MPa) was observed to be higher than those values of modulus of rupture perpendicular to the face/back veneer grain (65MPa). However, the maximum modulus of rupture parallel to the face/back veneer grain value (53MPa) in wet condition were observed to be smaller than those values of modulus of rupture perpendicular to the face/back veneer grain value (56MPa).info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.20 n.2 20182018-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2018000221101en10.4067/S0718-221X2018005021101
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Beech bending strength blockboard panel end to end half lap joint Fir melamine-urea formaldehyde Oak
spellingShingle	Beech bending strength blockboard panel end to end half lap joint Fir melamine-urea formaldehyde Oak Nazerian,Morteza Moazami,Vahid Farokhpayam,Saeedreza Gargari,Rahim Mohebi Production of blockboard from small athel slats end-glued by different type of joint
description	Abstract: This study evaluated the effect of joint type of short athel (Tamarix aphila) slats at three levels (butt joint, mitered joint, and half lap joint) in core layer veneer consisting of three wood species (Fir, Beech, and Oak). The joints were glued with PVAc and sandwiched by veneers with different ratios of melamine formaldehyde/urea formaldehyde resin (0:100, 25:75, and 50:50) in glue line to determine the modulus of rupture in dry and wet conditions. It was found that the highest dry and wet modulus of rupture was obtained in specimens having slats jointed with half lap joint veneered with fir by using MF/UF ratio of 50:50. The maximum modulus of rupture parallel to the face/back veneer grain value in dry condition (83,40 MPa) was observed to be higher than those values of modulus of rupture perpendicular to the face/back veneer grain (65MPa). However, the maximum modulus of rupture parallel to the face/back veneer grain value (53MPa) in wet condition were observed to be smaller than those values of modulus of rupture perpendicular to the face/back veneer grain value (56MPa).
author	Nazerian,Morteza Moazami,Vahid Farokhpayam,Saeedreza Gargari,Rahim Mohebi
author_facet	Nazerian,Morteza Moazami,Vahid Farokhpayam,Saeedreza Gargari,Rahim Mohebi
author_sort	Nazerian,Morteza
title	Production of blockboard from small athel slats end-glued by different type of joint
title_short	Production of blockboard from small athel slats end-glued by different type of joint
title_full	Production of blockboard from small athel slats end-glued by different type of joint
title_fullStr	Production of blockboard from small athel slats end-glued by different type of joint
title_full_unstemmed	Production of blockboard from small athel slats end-glued by different type of joint
title_sort	production of blockboard from small athel slats end-glued by different type of joint
publisher	Universidad del Bío-Bío
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2018000221101
work_keys_str_mv	AT nazerianmorteza productionofblockboardfromsmallathelslatsendgluedbydifferenttypeofjoint AT moazamivahid productionofblockboardfromsmallathelslatsendgluedbydifferenttypeofjoint AT farokhpayamsaeedreza productionofblockboardfromsmallathelslatsendgluedbydifferenttypeofjoint AT gargarirahimmohebi productionofblockboardfromsmallathelslatsendgluedbydifferenttypeofjoint
_version_	1714202657648803840

Production of blockboard from small athel slats end-glued by different type of joint

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