Ultrasonic characterization of transverse defects in rail heads

被引：0
|
作者：
Singh, S [1 ]
Clark, R [1 ]
机构：
[1] Sperry Rail Serv, Dept R&D, Danbury, CT 06810 USA
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 21A & B | 2002年 / 615卷
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Knowledge of the sound fields for 70degrees refracted shear waves and their interaction with defects is important in optimizing ultrasonic rail inspection. In this work, we studied the sound fields for 70degrees refracted shear waves in four rail specimens having Side-Drilled Holes (SDH) and Electrical Discharge Machined (EDM) notches. The results show that the detection of the artificial defects (SDH and EDM notches) depended on the geometry of the railhead, the lateral positions of the transducers, the size of the SDH, and the orientation and size of the EDM notches.
引用
收藏
页码：1798 / 1805
页数：8
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