Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Kwang-Hu Jung"'
Autor:
Kwang-Hu Jung, Jung-Hyung Lee
Publikováno v:
Energies, Vol 17, Iss 7, p 1690 (2024)
In this study, the optimization of the operational parameters for a single proton exchange membrane fuel cell (PEMFC) was carried out using the Taguchi method and orthogonal array. The operating parameters were H2 stoichiometry, air stoichiometry, ce
Externí odkaz:
https://doaj.org/article/3b943a34068448bd8533f0e9cf17818d
Autor:
Kwang-Hu Jung, Seong-Jong Kim
Publikováno v:
Science of Advanced Materials. 13:2049-2058
This study aims to predict the strength of AISI 316L steel for offshore structures due to damage to the pitting using multiple linear regression and analysis of variance. The potentiostat accelerated method was applied to cause artificial pitting dam
Autor:
Kwang-Hu Jung, Seong-Jong Kim
Publikováno v:
Journal of Nanoscience and Nanotechnology. 21:3984-3988
The sensitization and passivation characteristics of AL-6XN heat-treated for up to 24 h at 800 °C were evaluated through double loop electrochemical potentiodynamic reactivation (2 M H2SO4 + 0.01 M KSCN +2 M NaCl solution) and cyclic potentiodynamic
Autor:
Kwang-Hu Jung, Seong-Jong Kim
Publikováno v:
Surfaces and Interfaces. 37:102731
Autor:
Seong-Jong Kim, Kwang-Hu Jung
Publikováno v:
Journal of Nanoscience and Nanotechnology. 19:4265-4269
This study investigated influence of sensitization on the mechanical properties of AISI 304 stainless steel. The small and tensile specimens were isothermally aged at 650 °C for up to 1000 hours. Microstructure and precipitates of these specimens we
Autor:
Seong-Jong Kim, Kwang-Hu Jung
Publikováno v:
Applied Surface Science. 483:417-424
In this study, the oxidation and sulfidation characteristics of modified 9Cr 1Mo steels according to Cr-rich M23C6 distributed in grain boundaries in the N2-O2-CO2-SO2 atmosphere at 650 °C were analyzed. The oxidation kinetic was obeyed by the parab
Autor:
Seong-Jong Kim, Kwang-Hu Jung
Publikováno v:
Acta Physica Polonica A. 135:994-998
Autor:
Seong-Jong Kim, Kwang-Hu Jung
Publikováno v:
Journal of the Korean Society of Marine Engineering. 43:24-30
Autor:
Kwang-Hu Jung, Seong-Jong Kim
Publikováno v:
Journal of nanoscience and nanotechnology. 20(7)
This study evaluated the solid particle erosion characteristics of 2.25Cr–1Mo steel with aging time. Aging was performed at 750 °C until 100 h. Specimens aged at each time were characterized by microstructure analysis and Micro-Vickers hardness. A
Publikováno v:
Journal of the Korean Society of Marine Engineering. 42:726-734
본 연구는 알루미늄 선체에 적용 가능한 표면처리기술을 확보하기 위해 알루미늄 합금, 방오도료, 우루시올 그리고 양극산화 후 비등수 실링처리된 시편에 대하여 천연해수에서 침적실험