Shear and elastic moduli of Poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach

The effect of lamination and adhesive coverage rate in layered products made from Poplar wood was studied The effect of lamination and adhesive coverage rate in layered products made from Poplar wood was studied by non-destructive free vibration test. 120 samples with nominal dimensions of 2.5×2.5×4...

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Autores principales:	Ehsan Haji rafiriha, Mehran Roohnia, Ahmad Jahan latibari, Ajang Tajidini
Formato:	article
Lenguaje:	FA
Publicado:	Regional Information Center for Science and Technology (RICeST) 2014
Materias:	flexural vibration glue deficiency longitudinal vibration MODULUS OF ELASTICITY Shear modulus Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/bc5ea3a4dea744d680ab9cd6720d750b
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spelling	oai:doaj.org-article:bc5ea3a4dea744d680ab9cd6720d750b2021-12-02T11:55:26ZShear and elastic moduli of Poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach1735-09132383-112X10.22092/ijwpr.2014.8458https://doaj.org/article/bc5ea3a4dea744d680ab9cd6720d750b2014-12-01T00:00:00Zhttp://ijwpr.areeo.ac.ir/article_8458_59db67fea8ac33b2bd163c18c1581fbd.pdfhttps://doaj.org/toc/1735-0913https://doaj.org/toc/2383-112XThe effect of lamination and adhesive coverage rate in layered products made from Poplar wood was studied The effect of lamination and adhesive coverage rate in layered products made from Poplar wood was studied by non-destructive free vibration test. 120 samples with nominal dimensions of 2.5×2.5×45 cm without any obvious deficiencies were selected and free flexural vibration in free-free bars were performed for testing them. Samples were longitudinal cut in three thinner tangential layers and jointed together again using Poly Vinyl Acetate glue. The specimens were divided into four groups according to adhesive coverage rates, which one group was fully glued and 3 groups were carrying some glue deficiencies in different rates. Manipulated samples were tried again in above mentioned test. Results indicated that shear moduli compare to modulus of elasticity is a more sensitive parameter to evaluate glue efficiency in laminated beams but concerns remained due to blind points in flexural vibration nondestructive method.Ehsan Haji rafirihaMehran RoohniaAhmad Jahan latibariAjang TajidiniRegional Information Center for Science and Technology (RICeST)articleflexural vibrationglue deficiencylongitudinal vibrationMODULUS OF ELASTICITYShear modulusForestrySD1-669.5FAتحقیقات علوم چوب و کاغذ ایران, Vol 29, Iss 4, Pp 550-560 (2014)
institution	DOAJ
collection	DOAJ
language	FA
topic	flexural vibration glue deficiency longitudinal vibration MODULUS OF ELASTICITY Shear modulus Forestry SD1-669.5
spellingShingle	flexural vibration glue deficiency longitudinal vibration MODULUS OF ELASTICITY Shear modulus Forestry SD1-669.5 Ehsan Haji rafiriha Mehran Roohnia Ahmad Jahan latibari Ajang Tajidini Shear and elastic moduli of Poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach
description	The effect of lamination and adhesive coverage rate in layered products made from Poplar wood was studied The effect of lamination and adhesive coverage rate in layered products made from Poplar wood was studied by non-destructive free vibration test. 120 samples with nominal dimensions of 2.5×2.5×45 cm without any obvious deficiencies were selected and free flexural vibration in free-free bars were performed for testing them. Samples were longitudinal cut in three thinner tangential layers and jointed together again using Poly Vinyl Acetate glue. The specimens were divided into four groups according to adhesive coverage rates, which one group was fully glued and 3 groups were carrying some glue deficiencies in different rates. Manipulated samples were tried again in above mentioned test. Results indicated that shear moduli compare to modulus of elasticity is a more sensitive parameter to evaluate glue efficiency in laminated beams but concerns remained due to blind points in flexural vibration nondestructive method.
format	article
author	Ehsan Haji rafiriha Mehran Roohnia Ahmad Jahan latibari Ajang Tajidini
author_facet	Ehsan Haji rafiriha Mehran Roohnia Ahmad Jahan latibari Ajang Tajidini
author_sort	Ehsan Haji rafiriha
title	Shear and elastic moduli of Poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach
title_short	Shear and elastic moduli of Poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach
title_full	Shear and elastic moduli of Poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach
title_fullStr	Shear and elastic moduli of Poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach
title_full_unstemmed	Shear and elastic moduli of Poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach
title_sort	shear and elastic moduli of poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach
publisher	Regional Information Center for Science and Technology (RICeST)
publishDate	2014
url	https://doaj.org/article/bc5ea3a4dea744d680ab9cd6720d750b
work_keys_str_mv	AT ehsanhajirafiriha shearandelasticmoduliofpoplarwoodaffectedbygluecoveragedeficiencyoflaminationinavibrationbasednondestructiveapproach AT mehranroohnia shearandelasticmoduliofpoplarwoodaffectedbygluecoveragedeficiencyoflaminationinavibrationbasednondestructiveapproach AT ahmadjahanlatibari shearandelasticmoduliofpoplarwoodaffectedbygluecoveragedeficiencyoflaminationinavibrationbasednondestructiveapproach AT ajangtajidini shearandelasticmoduliofpoplarwoodaffectedbygluecoveragedeficiencyoflaminationinavibrationbasednondestructiveapproach
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Shear and elastic moduli of Poplar wood affected by glue coverage deficiency of lamination in a vibration based nondestructive approach

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