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Proceedings Paper

Composite NDE using full-field pulse-echo ultrasonic propagation imaging system
Author(s): Seung-Chan Hong; Jung-Ryul Lee; Jongwoon Park
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Paper Abstract

In this paper, a novel ultrasonic propagation imaging system, called a full-field pulse-echo ultrasonic propagation imaging (FF PE UPI) system is presented. The coincided laser beams for ultrasonic sensing and generation are scanned and pulse-echo mode laser ultrasounds are captured. This procedure makes it possible to generate full-field ultrasound in through-the-thickness direction as large as the scan area. The system nondestructively inspected targets with two-axis translation stages. Various structural inspection results in the form of full-field ultrasonic wave propagation videos are introduced, which are an aluminum honeycomb sandwich, ailerons and carbon fiber reinforced plastic (CFRP) honeycomb sandwich structures including various defects.

Paper Details

Date Published: 15 April 2016
PDF: 6 pages
Proc. SPIE 9799, Active and Passive Smart Structures and Integrated Systems 2016, 97990E (15 April 2016); doi: 10.1117/12.2219659
Show Author Affiliations
Seung-Chan Hong, KAIST (Korea, Republic of)
Jung-Ryul Lee, KAIST (Korea, Republic of)
Jongwoon Park, Republic of Korea Air Force (Korea, Republic of)


Published in SPIE Proceedings Vol. 9799:
Active and Passive Smart Structures and Integrated Systems 2016
Gyuhae Park, Editor(s)

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