Zobrazeno 1 - 10
of 121
pro vyhledávání: '"Ki-Bok Kim"'
Autor:
Hyosung Lee, Ji Won Lim, Jihyun Kwon, Seung-Ki Choi, Hyun Suk Kim, Young-In Hwang, Ki-Bok Kim
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract The management of unknown weapons obtained from warfare, military operations, and terrorist situations requires a series of nondestructive testing processes. This management process, which is aimed at collecting information on the nature of
Externí odkaz:
https://doaj.org/article/1f9f559cdcc744369e40f3b59b442b0c
Publikováno v:
Research and Review Journal of Nondestructive Testing, Vol 1, Iss 1 (2023)
Residual stress, a factor affecting the fatigue and fracture characteristics of rails, is formed during the processes of fabrication and heat treatment, and is also generated by shrinkage/tension due to the temperature differences and vertical loads
Externí odkaz:
https://doaj.org/article/24121482c469472686e5e32c70c5b21f
Publikováno v:
Integrative Medicine Research, Vol 10, Iss 4, Pp 100729- (2021)
Background: Recently, some adverse effects of moxibustion has been reported such as burns, smoke, allergies, and so on. To overcome the adverse effects of traditional moxibustion, an ultrasonic moxibustion device (UMD) was designed, simulated, fabric
Externí odkaz:
https://doaj.org/article/75928e43a7b14673ad0700e2c4b02172
Publikováno v:
Applied Sciences, Vol 12, Iss 13, p 6502 (2022)
Liquefied hydrogen storage vessels (LHSVs) are vulnerable to surface-crack initiation, propagation, and fracture on their surfaces because they are under high-pressure, low-temperature conditions. Defects can also occur in the coatings of the storage
Externí odkaz:
https://doaj.org/article/5fb271bbd124431e846cb854d8dec82f
Publikováno v:
Batteries, Vol 8, Iss 3, p 21 (2022)
Lithium-ion batteries, which have high energy density, are the most suitable batteries for use in high-tech electromechanical applications requiring high performance. Because one of the important components that determines the efficiency of lithium-i
Externí odkaz:
https://doaj.org/article/304776fdc0db468e9780f43b0767cd18
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
Autor:
Young-In Hwang, Yong-Il Kim, Dae-Cheol Seo, Mu-Kyung Seo, Woo-Sang Lee, Segon Kwon, Ki-Bok Kim
Publikováno v:
Materials, Vol 14, Iss 18, p 5374 (2021)
Residual stress, a factor affecting the fatigue and fracture characteristics of rails, is formed during the processes of fabrication and heat treatment, and is also generated by vertical loads on wheels due to the weight of vehicles. Moreover, damage
Externí odkaz:
https://doaj.org/article/29d6e61fa7ff41acbe4e19a6fd615e9e
Publikováno v:
Sensors, Vol 20, Iss 21, p 6259 (2020)
Ultrasonic inspection of welds joining dissimilar metals in nuclear power plants has proven to be a challenge, because the ultrasonic waves are subject to diffraction, distortion, scattering, and noise. These perturbations are due to their interactio
Externí odkaz:
https://doaj.org/article/1ff78bc4154a401fbcbafc1699aeaa7c
Publikováno v:
Sensors, Vol 19, Iss 12, p 2662 (2019)
In this study, a high-sensitivity Pb( Mg 1 / 3 Nb 2 / 3 ) O 3 - PbTiO 3 (PMN-PT)-based ultrasonic transducer was developed for detecting defective pressurized water reactor (PWR) fuel rods. To apply the PMN-PT substance to nuclear power plant facilit
Externí odkaz:
https://doaj.org/article/adef04f214194fc78da88b83f9edff51
Publikováno v:
JOURNAL OF THE KOREAN SOCIETY FOR NONDESTRUCTIVE TESTING. 43:108-117
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f30ba9bb4d845d11e60cf3f0393dd7c
https://doi.org/10.7779/jksnt.2023.43.2.108
https://doi.org/10.7779/jksnt.2023.43.2.108