Biological resistance of heat-treated wood of Pinus caribaea and Eucalyptus saligna

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Biological resistance of heat-treated wood of Pinus caribaea and Eucalyptus saligna

Authors
  • Brito, José Otávio
  • Dias Júnior, Ananias Francisco
  • Lana, Artur Queiroz
  • Andrade, Carlos Rogério
  • Bernardes, Francisco Fernandes
Type
Published Article
Journal
Maderas Ciencia y tecnología
Publisher
SciELO Comision Nacional de Investigacion Cientifica Y Tecnologica
Publication Date
Jan 27, 2019
Issue
ahead
Identifiers
DOI: 10.4067/s0718-221x2019005000209
Source
MyScienceWork
Keywords
License
Green

Abstract

This study aimed to analyze the resistance of the thermally treated wood of Pinus caribaea and Eucalyptus saligna to the biological attack of wood rotting fungi. The heat treatment processes were carried out in electric oven under nitrogen atmosphere, starting from 100 °C until reaching each one of the final temperatures of the process: 120, 140, 160, and 180 °C. The resistance assays were performed for white rot, brown rot, and soft rot fungi. The increase in decay resistance was observed for heat-treated wood of Pinus caribaea at higher temperatures. On the other hand, Eucalyptus saligna showed increased resistance to rotting fungi at all tested temperatures, except for white and soft rot at 120 °C. In general, the heat treatment process showed good results for its use as a wood preservative method.

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