Non-contact ultrasonic inspection of railroad tracks

被引：0
|
作者：
di Scalea, FL [1 ]
Kenderian, S [1 ]
Green, RE [1 ]
机构：
[1] Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
来源：
BRIDGING THE CENTURIES WITH SAMPE'S MATERIALS AND PROCESSES TECHNOLOGY, VOL 45, BOOKS 1 AND 2 | 2000年
关键词：
non-destructive testing (NDT); non-contact ultrasonics; railroad tracks;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents two non-contact ultrasonic systems that show good potential for in-service inspection of railroad tracks. The first system employs laser generation and detection of ultrasonic waves in a fiberized manner. The second system uses the same ultrasound laser generation as the first one, with a capacitive gas(air)-coupled transducer for detection. The enhanced positioning flexibility and remoteness fi om the test piece afforded by both of these systems substantially broaden the range of applicability of ultrasonic testing for rail inspection.
引用
收藏
页码：1762 / 1769
页数：2
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