ULTRASOUND WAVES FOR ASSESSING THE TECHNOLOGICAL PROPERTIES OF Pinus caribaea VAR hondurensis AND Eucalyptus grandis WOOD

Patrícia Gomes Ribeiro, Joaquim Carlos Gonçalez, Raquel Gonçalves, Ricardo Faustino Teles, Frederico de Souza

Abstract


The forest sector plays an important role in the economy and, in these times of sustainability, industriesneed to save natural resources and leverage them as best as possible in order to achieve excellence inproduct quality and win the consumer market. The use of advanced technologies and improvement inpre-existing techniques is the most efficient way to understand the raw material, and improve the qualityof products manufactured and their rational use. The use of nondestructive technologies has proveneffective in characterizing and assessing wood quality. This work aims to predict certain physical andmechanical properties of Pinus caribaea and Eucalyptus grandis, using ultrasound. The research wasconducted at the University of Brasilia (UNB), in conjunction with the Forest Products Laboratory(LPF/SFB) and the State University of Campinas (UNICAMP/SP). The results permit us to state thatcertain physical-mechanical properties of these species can be predicted with ultrasound. The propertybest estimated is density, followed by modulus of elasticity and modulus of rupture.

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