Effect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce

The influence of artificial ageing on bonded heat-treated spruce lamellas was investigated. Heat-treated spruce lamellas with different degrees of thermal modification were bonded with PVAc and MUF and then exposed to 500 artificial weathering cycles, combined with rain, UV and IR radiation. The col...

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Autores principales:	Mirko Kariz, Manja Kitek Kuzman, Milan Sernek
Formato:	article
Lenguaje:	EN
Publicado:	University of Zagreb, Faculty of Forestry and Wood Technology 2021
Materias:	heat treated spruce adhesive bond artificial ageing shear strength delamination colour change Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/16c77859329b46d6bc0cf9cc1236b111
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id	oai:doaj.org-article:16c77859329b46d6bc0cf9cc1236b111
record_format	dspace
spelling	oai:doaj.org-article:16c77859329b46d6bc0cf9cc1236b1112021-11-26T09:44:00ZEffect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce0012-67721847-115310.5552/drvind.2021.2044https://doaj.org/article/16c77859329b46d6bc0cf9cc1236b1112021-01-01T00:00:00Zhttps://hrcak.srce.hr/file/385843https://doaj.org/toc/0012-6772https://doaj.org/toc/1847-1153The influence of artificial ageing on bonded heat-treated spruce lamellas was investigated. Heat-treated spruce lamellas with different degrees of thermal modification were bonded with PVAc and MUF and then exposed to 500 artificial weathering cycles, combined with rain, UV and IR radiation. The colour change of the exposed surface, weight change, delamination of the bonded joints and adhesive bond strength were measured. Artificial weathering caused cracking and delamination of the bonded joints and reduced the bond strength of both adhesives. The results show that delamination was higher for PVAc adhesive than MUF, but increased for both adhesives with the temperature of heat treatment of wood. The shear strength of bonds on the exposed side of the samples after the artificial weathering was lower than the average strength of the whole sample.Mirko KarizManja Kitek KuzmanMilan SernekUniversity of Zagreb, Faculty of Forestry and Wood Technologyarticleheat treated spruceadhesive bondartificial ageingshear strengthdelaminationcolour changeForestrySD1-669.5ENDrvna Industrija, Vol 72, Iss 4, Pp 381-388 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	heat treated spruce adhesive bond artificial ageing shear strength delamination colour change Forestry SD1-669.5
spellingShingle	heat treated spruce adhesive bond artificial ageing shear strength delamination colour change Forestry SD1-669.5 Mirko Kariz Manja Kitek Kuzman Milan Sernek Effect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce
description	The influence of artificial ageing on bonded heat-treated spruce lamellas was investigated. Heat-treated spruce lamellas with different degrees of thermal modification were bonded with PVAc and MUF and then exposed to 500 artificial weathering cycles, combined with rain, UV and IR radiation. The colour change of the exposed surface, weight change, delamination of the bonded joints and adhesive bond strength were measured. Artificial weathering caused cracking and delamination of the bonded joints and reduced the bond strength of both adhesives. The results show that delamination was higher for PVAc adhesive than MUF, but increased for both adhesives with the temperature of heat treatment of wood. The shear strength of bonds on the exposed side of the samples after the artificial weathering was lower than the average strength of the whole sample.
format	article
author	Mirko Kariz Manja Kitek Kuzman Milan Sernek
author_facet	Mirko Kariz Manja Kitek Kuzman Milan Sernek
author_sort	Mirko Kariz
title	Effect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce
title_short	Effect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce
title_full	Effect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce
title_fullStr	Effect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce
title_full_unstemmed	Effect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce
title_sort	effect of artificial ageing on adhesive bonds from heat treated spruce
publisher	University of Zagreb, Faculty of Forestry and Wood Technology
publishDate	2021
url	https://doaj.org/article/16c77859329b46d6bc0cf9cc1236b111
work_keys_str_mv	AT mirkokariz effectofartificialageingonadhesivebondsfromheattreatedspruce AT manjakitekkuzman effectofartificialageingonadhesivebondsfromheattreatedspruce AT milansernek effectofartificialageingonadhesivebondsfromheattreatedspruce
_version_	1718409642893115392

Effect of Artificial Ageing on Adhesive Bonds from Heat Treated Spruce

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