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Physical and mechanical characteristics of poor-quality wood after heat treatment

Manuela Romagnoli (1)   , Daniela Cavalli (2), Rinaldo Pernarella (3), Roberto Zanuttini (4), Marco Togni (5)

iForest - Biogeosciences and Forestry, Volume 8, Issue 6, Pages 884-891 (2015)
doi: https://doi.org/10.3832/ifor1229-007
Published: May 22, 2015 - Copyright © 2015 SISEF

Research Articles


Poor-quality Corsican pine (Pinus nigra subsp. laricio (Poir.) Maire) and Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) wood samples were heat treated with the aim of testing the improvement of wood quality that could increase their economic value. Wood properties were measured to assess quality in treated and non-treated materials, including density, hardness, anti-swelling efficiency (ASE), modulus of elasticity (MOE), modulus of rupture (MOR), and compression strength. The results showed higher dimensional stability in heat-treated wood, yet mechanical performance in compression and bending strength were only marginally affected by loss of density. Despite having a relatively low density after heat treatment, Corsican pine sapwood has potential in manufacturing higher-value products. In contrast, heat treatment applied to Douglas fir wood did not appear economically viable; insufficient differences were detected between the naturally desirable characteristics of this species and heat-treated samples.

  Keywords


Thermowood, Density, Compressive Strength, Bending Strength, Sapwood, Wood Quality, Douglas Fir, Corsican Pine

Authors’ address

(1)
Manuela Romagnoli
DAFNE, University of Tuscia, Viterbo (Italy)
(2)
Daniela Cavalli
DIBAF, University of Tuscia, Viterbo (Italy)
(3)
Rinaldo Pernarella
Margaritelli Farm, Perugia (Italy)
(4)
Roberto Zanuttini
Agroselviter, Torino University (Italy)
(5)
Marco Togni
GEESAF, Firenze University (Italy)

Corresponding author

 
Manuela Romagnoli
mroma@unitus.it

Citation

Romagnoli M, Cavalli D, Pernarella R, Zanuttini R, Togni M (2015). Physical and mechanical characteristics of poor-quality wood after heat treatment. iForest 8: 884-891. - doi: 10.3832/ifor1229-007

Academic Editor

Giacomo Goli

Paper history

Received: Dec 31, 2013
Accepted: Apr 01, 2015

First online: May 22, 2015
Publication Date: Dec 01, 2015
Publication Time: 1.70 months

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