Biodeterioration of wood from two fast-growing eucalypts exposed to field test

Bruno D. Mattos*, Pedro H G de Cademartori, Tainise V. Lourençon, Darci A. Gatto, Washington L E Magalhães

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

This study aimed to evaluate changes in the chemical composition and mechanical properties of static bending of wood from two fast-growing eucalypt species (blue gum and lemon-scented gum) after exposure for one year in a field test. To achieve this, decayed untreated wood (after 1yr of exposure in the field test) was characterised by chemical analysis, thermogravimetric analysis, and infrared spectroscopy, and was compared with control samples. Mass loss and modulus of elasticity (MOE) and modulus of rupture (MOR) as a function of the exposure time were evaluated. The main findings showed that lignin and carbohydrate content of the two decayed woods decreased after exposure in the field test. Mass loss increased with increasing time of exposure, while MOE and MOR decreased for both woods. Nevertheless, blue gum wood was more susceptible to decay.

Original languageEnglish
Pages (from-to)210-215
Number of pages6
JournalInternational Biodeterioration and Biodegradation
Volume93
DOIs
Publication statusPublished - 1 Jan 2014
MoE publication typeA1 Journal article-refereed

Keywords

  • Chemical composition
  • Decay fungi
  • Mechanical strength
  • Wood degradation
  • Wood species

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