MATHEMATICAL BASIS OF ULTRASONIC TOMOGRAPHY FOR INTEGRITY EVALUATION IN WOOD STRUCTURAL ELEMENTS

被引：2
|
作者：
Perlin, Lourenco Panosso [1 ]
Juliani, Marcela Alejandra [1 ]
do Valle, Angela [1 ]
de Andrade Pinto, Roberto Caldas [1 ]
机构：
[1] Univ Fed Santa Catarina, Florianopolis, SC, Brazil
来源：
CERNE | 2015年 / 21卷 / 03期
关键词：
nondestructive test; ultrasound; inspection;
D O I：
10.1590/01047760201521031868
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
Ultrasonic tomography is a non-destructive technique used in the internal evaluation of wooden elements. Usually, research in this area lies in the influence of different factors in the obtained tomograms given by commercial software. The mathematical fundamentals of tomography are sparsely discussed. The aim of this study is to present the mathematical process, and thus to allow the implementing of a specific computational tool. This paper presents preliminary results for detecting internal flaws in wood specimens. The generated images identify the presence of the flaws, and show the influence of the material anisotropy in the ultrasonic pulse velocity.
引用
收藏
页码：503 / 509
页数：7
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