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Ayalsew Dagnew Abetew
Ayalsew Dagnew Abetew
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Three dimensional evaluation of aluminum plates with wall-thinning by full-field pulse-echo laser ultrasound
SC Hong, AD Abetew, JR Lee, JB Ihn
Optics and Lasers in Engineering 99, 58-65, 2017
552017
Parametric optimization of pulse-echo laser ultrasonic system for inspection of thick polymer matrix composites
AD Abetew, TC Truong, SC Hong, JR Lee, JB Ihn
Structural Health Monitoring 19 (2), 443-453, 2020
152020
Remote Defect Visualization of Standard Composite Coupons Using a Mobile Pulse-echo Ultrasonic Propagation Imager
JBI 2. Ayalsew-Dagnew Abetew, Seung-Chan Hong, Jung-Ryul Lee, Seil Baek
Advanced Composite Materials, 2017
62017
Thermo-elastic model of epicenter displacement by laser pulse irradiated on metallic surfaces
TC Truong, AD Abetew, JR Lee, JB Ihn
Journal of Nondestructive Evaluation, Diagnostics and Prognostics of …, 2018
52018
Investigation of aluminium plate damage visualization by through-the-thickness ultrasound generated and detected by lasers
AD Abetew, SC Hong, JR Lee
WIT Transactions on The Built Environment 160, 27-36, 2016
32016
Development of pulse-echo ultrasonic propagation imaging system and its delivery to Korea Air Force
JRL Seung-Chan Hong, Hasan Hamid, Ayalsew Dagnew
Portland Marriott Downtown Waterfront Hotel Portland, Oregon, USA …, 2017
2017
Laser beam-size effect on pulse-echo ultrasonic inspection of composite structures
AD Abetew
2017 비파괴검사학회 춘계학술대회, 2017
2017
Sensitivity Study on Incident Angles of Beams and Composite Surface Conditions for Laser Pulse-Echo Ultrasonic Propagation Imager
SC Hong, A Abetew, JR Lee, JB Ihn
Twenty-Sixth International Conference on Processing and Fabrication of …, 2017
2017
Parametric study of laser induced pulse-echo ultrasound for nondestructive testing applications
AD Abetew
한국과학기술원, 2017
2017
Structural Imaging Through Estimation of Local Dominant Frequency of Pulse-Echo Laser Ultrasonic Wave
JRL T C Truong, S C Hong, D A Ayalsew
Annual fall conference of KSNT, Daejeon, Korea, 2016
2016
Parametric Study of Laser Generated Pulse-Echo Ultrasonic Wave for Nondestructive Testing Applications
JBI 1. Ayalsew-Dagnew Abetew, Seung-Chan Hong, Jung-Ryul Lee
Korean Society of Nondestructive Testing Fall Conference, 41, 2016
2016
Test results using F-16 Lockheed Martin standard specimen pulse-echo ultrasonic wave imaging system
홍승찬, Ayalsew-Dagnew Abetew, 이정률백세일
2016
Non-Contact Damage Visualization of Composite Structures by using Full-Field Pulse-Echo Ultrasonic Propagation Imaging System
AD Abetew, SC Hong, JR Lee, S Baek
ASHMCS 2016, 2016
2016
Plate Damage Detection and Visualization by Through-The-Thickness Ultrasound Generated and Detected by Lasers
AD Abetew, SC Hong, JR Lee
2016 년 한국비파괴검사학회 춘계학술대회, 2016
2016
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Artiklar 1–14