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dc.creatorAparecida Garcia, Rosilei
dc.creatorde Oliveira Lopes, Juliana
dc.creatordo Nascimento, Alexandre Miguel
dc.creatorde Figueiredo Latorraca, João Vicente
dc.date2014-12-24
dc.date.accessioned2023-03-13T20:57:08Z
dc.date.available2023-03-13T20:57:08Z
dc.identifierhttps://revistas.ubiobio.cl/index.php/MCT/article/view/1181
dc.identifier.urihttps://revistaschilenas.uchile.cl/handle/2250/223646
dc.descriptionThis study investigated the color stability in a heat treatment of teak wood (Tectona grandis) exposed to ultraviolet radiation under accelerated aging conditions. Nine trees from three different spacing levels were used. Samples of 150 mm x 75 mm x 20 mm were prepared and divided into two groups: heartwood and sapwood. Two levels of heat treatment (180 and 200°C) were used. The color was measured every 42 hours with a portable spectrophotometer using the CIE-Lab system. Accelerated aging was performed in a QUV/Spray chamber. The total cycle of exposure to ultraviolet radiation was of 168 hours at 340 nm. Tree planting spacing had no effect on color change after ultraviolet radiation. Untreated sapwood had greater color change than untreated heartwood. However, after heat treatment, sapwood showed high color stability, especially at a temperature of 180°C.es-ES
dc.formatapplication/pdf
dc.languagespa
dc.publisherUniversidad del Bio-Bioen-US
dc.relationhttps://revistas.ubiobio.cl/index.php/MCT/article/view/1181/1132
dc.rightsCopyright (c) 2015 Rosilei Aparecida Garcia, Juliana de Oliveira Lopes, Alexandre Miguel do Nascimento, João Vicente de Figueiredo Latorracaen-US
dc.sourceMaderas-Cienc Tecnol; Vol. 16 No. 4 (2014); 453-462en-US
dc.sourceMaderas-Cienc Tecnol; Vol. 16 Núm. 4 (2014); 453-462es-ES
dc.source0718-221X
dc.source0717-3644
dc.subjectCIE-Lab systemes-ES
dc.subjectheat treatmentes-ES
dc.subjectultraviolet radiationes-ES
dc.titleColor stability of weathered heat-treated teak woodes-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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