Colour changes of Brazilian eucalypts wood by natural weathering

B. D. Mattos*, P. H G De Cademartori, T. V. Lourençon, D. A. Gatto

*Corresponding author for this work

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

This study aimed to characterise wood discolouration of three Brazilian eucalypt species exposed to the action of natural weathering in two distinct places. To achieve this, tests were performed at an exposed outdoor site and under a forest canopy; both located in the state of Rio Grande do Sul, Brazil. Colorimetric measurements were performed every 45 days during the period of 1 year in order to obtain the parameters L*, a*, b*, C* and h*. The main results showed significant darkening in the first 4 months and subsequently increased the greyish colour. Colour variations were observed between species, field and exposure time in service.

Original languageEnglish
Pages (from-to)33-38
Number of pages6
JournalInternational Wood Products Journal
Volume5
Issue number1
DOIs
Publication statusPublished - 1 Feb 2014
MoE publication typeA1 Journal article-refereed

Keywords

  • Colorimetry
  • Colour stabilisation
  • Photodegradation
  • Wood technology

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