Automated non-contact NDT by ultrasonic surface waves

被引：0

作者：

Liu, Qiang ^{[1
]}

Piwakowski, Bogdan ^{[2
]}

Lafhaj, Zoubeir ^{[1
]}

Agred, Kahina ^{[3
]}

机构：

[1] Ecole Cent Lille, Lab Mecan Lille, F-59651 Villeneuve Dascq, France

[2] Ecole Cent Lille, Inst Elect Microelect & Nanotechnol, F-59651 Villeneuve Dascq, France

[3] Univ Toulouse III, Lab Mat & Durabilite Construct, F-31007 Toulouse 4, France

来源：

2014 IEEE FAR EAST FORUM ON NONDESTRUCTIVE EVALUATION/TESTING (FENDT) | 2014年

关键词：

NDT; ultrasonics; non-contact method; surface waves; inverse analysis; TRANSDUCERS; CONCRETE;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An automated ultrasonic scanner based on the non-contact air-coupled technique is designed and developed in order to perform nondestructive characterization of the surface of different structures and to detect the surface defects. The measurement is carried out without any contact with the examined part. The paper presents the scanner and several examples of its applications: the on-site characterization of concrete walls; the inverse analysis of concrete wall cover and the detection of surface defects on a steel sample and along old used railway rail.

引用

页码：79 / 83

页数：5

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