Location of multiple proximate flaws using perpendicular NDT ultrasonic arrays

被引：1
|
作者：
Rodriguez, Miguel A.
Ramos, Antonio
Emeterio, J. L. San
机构：
[1] Univ Politecn Valencia, ETSI Telecommun, Valencia 46022, Spain
[2] CSIC, Inst Acust, Dpto Senales Sist & Tecnol Ultrason, E-28006 Madrid, Spain
来源：
ULTRASONICS | 2006年 / 44卷 / SUPPL.期
关键词：
multiple flaw location; ultrasonic arrays; NDT; ultrasonic imaging;
D O I：
10.1016/j.ultras.2006.05.107
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
An improved method for ultrasonic location of multiple flaws using perpendicular ultrasonic arrays, working in near-field conditions, is presented. The method uses the pulse-echo technique and is based on the processing of the information acquired by both the elemental emitting transducers and their adjacent ones. This type of processing improves the performance of a previous method that sometimes presents limitations for the detection of multiples flaws. This new method is applied to a set of ultrasonic traces, obtained with an ultrasonic prototype specifically designed for testing this method, showing the improvement obtained in imaging results. (c) 2006 Elsevier B. V. All rights reserved.
引用
收藏
页码：E1105 / E1109
页数：5
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