Produção Nacional
Revisado por pares
Ultrasonic tomography in wood with anisotropy consideration
2019; Elsevier BV; Volume: 229; Linguagem: Inglês
10.1016/j.conbuildmat.2019.116958
ISSN1879-0526
AutoresLourenço Panosso Perlin, Roberto Caldas de Andrade Pinto, Ângela do Valle,
Tópico(s)Optical measurement and interference techniques
ResumoUltrasonic tomography can be an important tool in the nondestructive evaluation of structural elements of wood and trees. Although wood is an anisotropic material, it is common to use an isotropic formulation in the tomographic processing. This paper presents a method that considers wood anisotropy in ultrasonic tomography. Christoffel and Hankinson equations were used to represent the orthotropic behavior of wood. In addition, the growth rings shape was also considered. The proposed method was validated through samples of wood with simulated non-homogeneities. The resulting tomograms were able to identify mortises when the specimen anisotropy was considered.
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