Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Jeong Hak Park"'
Publikováno v:
Applied Sciences, Vol 11, Iss 19, p 9306 (2021)
Longitudinal critically refracted (LCR) waves are considered bulk longitudinal waves and penetrate into an effective depth beneath the surface parallel to the material surface. Such LCR waves can be employed to measure residual stresses because the a
Externí odkaz:
https://doaj.org/article/2b49b3d27617457a953945c808030c9d
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 37:91-98
Recently, composite materials have been mainly used in the main wings, ailerons, and fuselages of aircraft and rotor blades of helicopters. Composite materials used in rapid moving structures are subject to impact by hail, lightning, and bird strike.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a69a92b40e6744770731b33035c033b8
https://doi.org/10.7779/jksnt.2017.37.2.91
https://doi.org/10.7779/jksnt.2017.37.2.91
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 37:99-105
Many composite materials are used in the aerospace industry because of their excellent mechanical properties. However, the nature of aviation exposes these materials to high temperature and high moisture conditions depending on climate, location, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58de707374f30a66189da7dacd85edc0
https://doi.org/10.7779/jksnt.2017.37.2.99
https://doi.org/10.7779/jksnt.2017.37.2.99
Publikováno v:
Infrared Physics & Technology. 76:676-683
This paper presents an experimental arrangement for detection of artificial subsurface defects in a stainless steel sample by means of thermal wave imaging with lock-in thermography and consequently, the impact of excitation frequency on defect detec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81d880b04771749ea5affea4fe83ec07
https://doi.org/10.1016/j.infrared.2016.04.033
https://doi.org/10.1016/j.infrared.2016.04.033
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 36:130-137
Non-destructive testing methods for composite materials (e.g., carbon fiber-reinforced and glass fiberreinforced plastic) have been widely used to detect damage in the overall industry. This study detects defects using optical infrared thermography.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3ea1ee2e5fb27893994afae117a13ae
https://doi.org/10.7779/jksnt.2016.36.2.130
https://doi.org/10.7779/jksnt.2016.36.2.130
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 35:407-413
Ultrasonic infrared thermography is an active thermography methods. In this method, mechanical energy is introduced to a structure, it is converted into heat energy at the defects, and an infrared camera detects the heat for inspection. The heat gene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::088afe534e7e5f46c5467671d8097e6a
https://doi.org/10.7779/jksnt.2015.35.6.407
https://doi.org/10.7779/jksnt.2015.35.6.407
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 35:215-220
As a nondestructive inspection technology currently in use, infrared thermography has gradually expandedits application range to industry. The method detects only defect areas by grafting ultrasound on a technique ofdetecting infrared energy emitted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4461c595a7c53141aed1aedb30f4354b
https://doi.org/10.7779/jksnt.2015.35.3.215
https://doi.org/10.7779/jksnt.2015.35.3.215
Publikováno v:
Journal of the Korean Society for Nondestructive Testing. 35:25-30
A wind turbine blade is an important component in wind-power generation, and is generally exposed toharsh environmental conditions. Ultrasonic inspection is mainly used to inspect such blades, but it has beendifficult to quantify defect sizes in comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2f6df4b2154b4037234b7e778b1eaf1
https://doi.org/10.7779/jksnt.2015.35.1.25
https://doi.org/10.7779/jksnt.2015.35.1.25
Publikováno v:
Proceedings of the 2017 Asia International Conference on Quantitative InfraRed Thermography.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf81f94a7a2493a2a58d9d5a1a5244d9
https://doi.org/10.21611/qirt.2017.056
https://doi.org/10.21611/qirt.2017.056
Detecting Water Impregnation Defects of Honeycomb Sandwich Composites by using Infrared Thermography
Publikováno v:
Proceedings of the 2017 Asia International Conference on Quantitative InfraRed Thermography.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a35f4d48a888b2c237bac652fd47b810
https://doi.org/10.21611/qirt.2017.048
https://doi.org/10.21611/qirt.2017.048