Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Kyoung Joon Choi"'
Autor:
Jihyeon Baek, Jaeho Kwak, Hyeonchyeol Hwang, Sung-Won Park, Kyoung Joon Choi, Hyunsuk Lee, Tae-Yong Kuc, Heegyun Jeon
Publikováno v:
IEEE Access, Vol 12, Pp 181787-181798 (2024)
This paper presents the ACC system for autonomous trams, including three core processes: object detection, collision assessment and control. The system utilizes the YOLOX deep learning model for camera-based object detection and a clustering approach
Externí odkaz:
https://doaj.org/article/0f4def09a54c4dcfa9126e8c584b076c
Publikováno v:
Journal of the Korean Society for Railway. 24:228-238
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92eacd2625bcd59fedd75c9f78858161
https://doi.org/10.7782/jksr.2021.24.3.228
https://doi.org/10.7782/jksr.2021.24.3.228
Autor:
Jeonghyeon Lee, Ji Hyun Kim, Seung Chang Yoo, Taeho Kim, Kyoung Joon Choi, Seung-Hyun Kim, Junhyuk Ham
Publikováno v:
Corrosion Science. 153:138-149
The influences of thermal aging on the microstructure, mechanical properties, and corrosion resistance of two different Ni-based weld metal/low-alloy steel dissimilar metal weld fusion boundaries were analysed. Cr23C6 precipitated at the fusion bound
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d32435d603825318887b1d2bba71653b
https://doi.org/10.1016/j.corsci.2019.03.032
https://doi.org/10.1016/j.corsci.2019.03.032
Publikováno v:
Journal of Alloys and Compounds. 764:73-79
In this study, the effect of magnetic field on AISI 8620 steel, which is commonly used in essential machinery components, was investigated in microstructural and mechanical aspects, and fatigue lifetime was finally evaluated. To prepare the steel exp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63b040bec2f752e73187b75b867042af
https://doi.org/10.1016/j.jallcom.2018.05.347
https://doi.org/10.1016/j.jallcom.2018.05.347
Publikováno v:
Corrosion Science. 131:235-244
The dissolved hydrogen concentration in the water phase represents a key factor for corrosion characteristic of zirconium alloy. A zirconium alloy was oxidized for 100 d at two different concentrations, 2.49 and 4.15 mg/kg. In situ Raman peaks of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f27f9eee254ca108cfe754e76e1033e6
https://doi.org/10.1016/j.corsci.2017.11.026
https://doi.org/10.1016/j.corsci.2017.11.026
Publikováno v:
Corrosion Science. 111:39-51
To understand the effect of long-term thermal aging in power plant systems, representative thick-walled Alloy 600 was prepared and thermally aged at 400 °C to fabricate samples with thermal aging effects similar to service operating conditions. Chan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2dc2919b27f23c9787edaadb2d6e1c51
https://doi.org/10.1016/j.corsci.2016.04.051
https://doi.org/10.1016/j.corsci.2016.04.051
Publikováno v:
Journal of Mechanical Science and Technology. 30:4403-4406
In present study, effects of thermal aging and triaxial stress were investigated in terms of primary water stress corrosion cracking susceptibility. The thermal aging was applied via heat treatment at 400°C and triaxial stress was applied via notche
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25b50000e7a775f5dd3ab239e7f78448
https://doi.org/10.1007/s12206-016-0901-3
https://doi.org/10.1007/s12206-016-0901-3
Autor:
Junhyun Kwon, Seung Chang Yoo, Min Jae Choi, Kyoung Joon Choi, Hyung-Ha Jin, Seong Sik Hwang, Ji Hyun Kim
Publikováno v:
Journal of Nuclear Materials. 476:243-254
To investigate the effects of warm rolling on the crack growth of 316L austenitic stainless steel, the crack growth rate was measured and the oxide structure was characterized in high-temperature hydrogenated water. The warm-rolled specimens showed a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ade99d6919f312656780b901ae3820c
https://doi.org/10.1016/j.jnucmat.2016.04.051
https://doi.org/10.1016/j.jnucmat.2016.04.051
Publikováno v:
Corrosion Science. 106:260-270
The effects of dissolved-hydrogen concentration on the formation of oxide films on Alloy 182 were investigated, along with the crack-initiation time. Results from both in-situ Raman analyses and ex-situ electron microscopy analyses indicated that NiO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::151cae29a99b041bc30620f48fa9207d
https://doi.org/10.1016/j.corsci.2016.02.011
https://doi.org/10.1016/j.corsci.2016.02.011
Publikováno v:
Journal of Nuclear Materials. 471:8-16
In this study, microstructural and mechanical characterizations were performed to investigate the effect of long-term thermal aging on the fusion boundary region between low-alloy steel and Nickel-based weld metal in dissimilar metal welds used in op
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d57daff2726a6d08196ddbccac684e14
https://doi.org/10.1016/j.jnucmat.2015.12.047
https://doi.org/10.1016/j.jnucmat.2015.12.047