Effects of different pressing conditions on properties of spruce plywoods

The paper presents results of an institutional research aimed at assessing the effect of different technological conditions in pressing on physical and mechanical properties of plywood sheets. Spruce plywood sheets of the veneer nominal thickness of 3.0 and 3.5 mm were analyzed. The plywood sheets w...

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Main Authors: P. Král, J. Hrázský
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2006-06-01
Series:Journal of Forest Science
Subjects:
Online Access:https://jfs.agriculturejournals.cz/artkey/jfs-200606-0004_effects-of-different-pressing-conditions-on-properties-of-spruce-plywoods.php
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author P. Král
J. Hrázský
author_facet P. Král
J. Hrázský
author_sort P. Král
collection DOAJ
description The paper presents results of an institutional research aimed at assessing the effect of different technological conditions in pressing on physical and mechanical properties of plywood sheets. Spruce plywood sheets of the veneer nominal thickness of 3.0 and 3.5 mm were analyzed. The plywood sheets were produced as five-ply and BAKELITE PF B118 phenol-formaldehyde adhesives were used for there manufacture. In relation to a different pressing temperature 115, 120 and 125°C and a different specific pressure, density, bending strength, MOE in bending and glue-bond strength by a shear test were assessed. The determined values of properties were statistically tested.
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spelling doaj.art-7e60dda55c3f487896c17c5275edad972023-02-23T03:41:46ZengCzech Academy of Agricultural SciencesJournal of Forest Science1212-48341805-935X2006-06-0152628529210.17221/4510-JFSjfs-200606-0004Effects of different pressing conditions on properties of spruce plywoodsP. Král0J. Hrázský1Faculty of Forestry and Wood Technology, Mendel University of Agriculture and Forestry Brno, Brno, Czech RepublicFaculty of Forestry and Wood Technology, Mendel University of Agriculture and Forestry Brno, Brno, Czech RepublicThe paper presents results of an institutional research aimed at assessing the effect of different technological conditions in pressing on physical and mechanical properties of plywood sheets. Spruce plywood sheets of the veneer nominal thickness of 3.0 and 3.5 mm were analyzed. The plywood sheets were produced as five-ply and BAKELITE PF B118 phenol-formaldehyde adhesives were used for there manufacture. In relation to a different pressing temperature 115, 120 and 125°C and a different specific pressure, density, bending strength, MOE in bending and glue-bond strength by a shear test were assessed. The determined values of properties were statistically tested.https://jfs.agriculturejournals.cz/artkey/jfs-200606-0004_effects-of-different-pressing-conditions-on-properties-of-spruce-plywoods.phpplywoodplywood densitybending strengthmoe in bendingpressing temperaturestatistic analysis
spellingShingle P. Král
J. Hrázský
Effects of different pressing conditions on properties of spruce plywoods
Journal of Forest Science
plywood
plywood density
bending strength
moe in bending
pressing temperature
statistic analysis
title Effects of different pressing conditions on properties of spruce plywoods
title_full Effects of different pressing conditions on properties of spruce plywoods
title_fullStr Effects of different pressing conditions on properties of spruce plywoods
title_full_unstemmed Effects of different pressing conditions on properties of spruce plywoods
title_short Effects of different pressing conditions on properties of spruce plywoods
title_sort effects of different pressing conditions on properties of spruce plywoods
topic plywood
plywood density
bending strength
moe in bending
pressing temperature
statistic analysis
url https://jfs.agriculturejournals.cz/artkey/jfs-200606-0004_effects-of-different-pressing-conditions-on-properties-of-spruce-plywoods.php
work_keys_str_mv AT pkral effectsofdifferentpressingconditionsonpropertiesofspruceplywoods
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