Application of time reversal techniques for enhanced focusing, defect detection and imaging in ultrasonic NDE

2012 ◽  
Author(s):  
Hyunjo Jeong ◽  
Sungjong Cho ◽  
Wei Wei
Keyword(s):  
Defect Detection ◽  
Time Reversal ◽  
Ultrasonic Nde

Experimental validation of time-reversal technique for defect detection in air-filled pipes using high frequency acoustic waves

2019 ◽  
Vol 146 (4) ◽  
pp. 2867-2867
Author(s):  
Mehmet M. Gozum ◽  
Moez Louati ◽  
Saber Nasraoui ◽  
George Grigoropoulos ◽  
Mohamed S Ghidaoui
Keyword(s):  
Defect Detection ◽  
Time Reversal ◽  
Acoustic Waves ◽  
High Frequency ◽  
Experimental Validation

Time-reversal techniques for defect detection in pipe system using high frequency acoustic waves

2019 ◽  
Vol 146 (4) ◽  
pp. 2867-2867
Author(s):  
Saber Nasraoui ◽  
Moez Louati ◽  
Mehmet Murat Gozum ◽  
George Grigoropoulos ◽  
Mohamed S Ghidaoui
Keyword(s):  
Defect Detection ◽  
Time Reversal ◽  
Acoustic Waves ◽  
High Frequency ◽  
Pipe System

Using Aural (Audible) Information Generated Directly From Conventional NDE Technology Signals to Aid the Inspector in Defect Detection and Discrimination

1996 ◽  
Vol 118 (1) ◽  
pp. 74-77
Author(s):  
A. E. Holt ◽  
G. M. Light ◽  
K. D. Polk ◽  
W. T. Clayton
Keyword(s):  
Nondestructive Evaluation ◽  
Defect Detection ◽  
Visual Interpretation ◽  
Ultrasonic Nde ◽  
To Receive

During nondestructive evaluation (NDE) of a material, an NDE instrument typically is used to receive the inspection signals and display them for visual interpretation. Work has been underway to convert these signals to a range of aural (audible) signals with the intent to enhance the accuracy of evaluation through the use of two senses (ears and eyes) instead of one. This paper describes auralization of ultrasonic NDE testing signals to improve characterization and evaluation of materials.

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