AVALIAÇÃO DO PERFIL RADIAL DO LENHO DE ÁRVORES DE TECA (Tectona grandis L.f.), ATRAVÉS DA TOMOGRAFIA DE IMPULSO | Zendy

Vinícius Resende de Castro | Zendy; Mário Tomazello | Zendy; Marco Aurélio Arizapana Almonacid | Zendy; José de Castro Silva | Zendy; Demóstenes Ferreira da Silva | Zendy; Jefferson Lordello Polizel | Zendy

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AVALIAÇÃO DO PERFIL RADIAL DO LENHO DE ÁRVORES DE TECA (Tectona grandis L.f.), ATRAVÉS DA TOMOGRAFIA DE IMPULSO

Author(s) -

Vinícius Resende de Castro,

Mário Tomazello,

Marco Aurélio Arizapana Almonacid,

José de Castro Silva,

Demóstenes Ferreira da Silva,

Jefferson Lordello Polizel

Publication year - 2011

Publication title -

floresta e ambiente

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.333

H-Index - 12

eISSN - 2179-8087

pISSN - 1415-0980

DOI - 10.4322/floram.2011.032

Subject(s) - tectona , coefficient of variation , tomography , nuclear medicine , physics , mathematics , forestry , optics , medicine , statistics , geography

Tomography constitutes one of the most important non-destructive methods of non-destructive analysis, evaluating the velocity of mechanical waves through the wood and producing images of the radial profile of teak wood by means of impulse. In this paper, the impulse tomography was applied in the wood of 20 Tectona grandis trees and the images were analyzed. The results showed: i) the generation of mechanical waves in wood with mean speed of 1,087 m/s; ii) the variation coefficient of 19.81%, with low variability, demonstrating the effectiveness of the method; and iii) the internal defects in wood detected in tomography images through color difference.

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