Dimensional stability of heat treated wood floorings

Heat treated wood (HTW) is successfully applied for floorings due to its better moisture resistance, increased dimensional stability, and uniform colour change to darker, brownish colours. The aim of this work was to define the hygroscopic range and equilibrium moisture content at ambient conditions...

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Main Authors:	Vjekoslav Živković, Ivan Prša, Hrvoje Turkulin, Tomislav Sinković, Vlatka Jirouš-Rajković
Format:	article
Language:	EN
Published:	University of Zagreb, Faculty of Forestry and Wood Technology 2008
Subjects:	Heat treated wood Parquet elements Dimensional stability Beech Ash Forestry SD1-669.5
Online Access:	https://doaj.org/article/ea85eef9ba6b4436a4b01ea438195a2d
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spelling	oai:doaj.org-article:ea85eef9ba6b4436a4b01ea438195a2d2021-12-02T04:15:33ZDimensional stability of heat treated wood floorings0012-6772https://doaj.org/article/ea85eef9ba6b4436a4b01ea438195a2d2008-07-01T00:00:00Zhttp://hrcak.srce.hr/file/40067https://doaj.org/toc/0012-6772Heat treated wood (HTW) is successfully applied for floorings due to its better moisture resistance, increased dimensional stability, and uniform colour change to darker, brownish colours. The aim of this work was to define the hygroscopic range and equilibrium moisture content at ambient conditions of heat treated wood of two wood species – ash and beech. Material was treated at two temperature levels, 190 and 210 °C, and the properties were compared with native wood. The reduction in dimensional changes is expressed by volumetric shrinking and Anti Shrink Efficiency (ASE). Additionally, parquet elements were made out of such HTW, oil-impregnated and waxed, and subsequently tested for water vapour and liquid water permeability. Shrinking gradients of HTW were not reduced in comparison with native beech wood, but the absolute reduction in water uptake resulted in cca 50 % lower EMC values and up to cca 60 % improved ASE values. Surface treatment further improved the hygroscopic properties of HTW.Vjekoslav ŽivkovićIvan PršaHrvoje TurkulinTomislav SinkovićVlatka Jirouš-RajkovićUniversity of Zagreb, Faculty of Forestry and Wood TechnologyarticleHeat treated woodParquet elementsDimensional stabilityBeechAshForestrySD1-669.5ENDrvna Industrija, Vol 59, Iss 2, Pp 69-73 (2008)
institution	DOAJ
collection	DOAJ
language	EN
topic	Heat treated wood Parquet elements Dimensional stability Beech Ash Forestry SD1-669.5
spellingShingle	Heat treated wood Parquet elements Dimensional stability Beech Ash Forestry SD1-669.5 Vjekoslav Živković Ivan Prša Hrvoje Turkulin Tomislav Sinković Vlatka Jirouš-Rajković Dimensional stability of heat treated wood floorings
description	Heat treated wood (HTW) is successfully applied for floorings due to its better moisture resistance, increased dimensional stability, and uniform colour change to darker, brownish colours. The aim of this work was to define the hygroscopic range and equilibrium moisture content at ambient conditions of heat treated wood of two wood species – ash and beech. Material was treated at two temperature levels, 190 and 210 °C, and the properties were compared with native wood. The reduction in dimensional changes is expressed by volumetric shrinking and Anti Shrink Efficiency (ASE). Additionally, parquet elements were made out of such HTW, oil-impregnated and waxed, and subsequently tested for water vapour and liquid water permeability. Shrinking gradients of HTW were not reduced in comparison with native beech wood, but the absolute reduction in water uptake resulted in cca 50 % lower EMC values and up to cca 60 % improved ASE values. Surface treatment further improved the hygroscopic properties of HTW.
format	article
author	Vjekoslav Živković Ivan Prša Hrvoje Turkulin Tomislav Sinković Vlatka Jirouš-Rajković
author_facet	Vjekoslav Živković Ivan Prša Hrvoje Turkulin Tomislav Sinković Vlatka Jirouš-Rajković
author_sort	Vjekoslav Živković
title	Dimensional stability of heat treated wood floorings
title_short	Dimensional stability of heat treated wood floorings
title_full	Dimensional stability of heat treated wood floorings
title_fullStr	Dimensional stability of heat treated wood floorings
title_full_unstemmed	Dimensional stability of heat treated wood floorings
title_sort	dimensional stability of heat treated wood floorings
publisher	University of Zagreb, Faculty of Forestry and Wood Technology
publishDate	2008
url	https://doaj.org/article/ea85eef9ba6b4436a4b01ea438195a2d
work_keys_str_mv	AT vjekoslavzivkovic dimensionalstabilityofheattreatedwoodfloorings AT ivanprsa dimensionalstabilityofheattreatedwoodfloorings AT hrvojeturkulin dimensionalstabilityofheattreatedwoodfloorings AT tomislavsinkovic dimensionalstabilityofheattreatedwoodfloorings AT vlatkajirousrajkovic dimensionalstabilityofheattreatedwoodfloorings
_version_	1718401402856800256

Dimensional stability of heat treated wood floorings

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