Zobrazeno 1 - 10
of 454
pro vyhledávání: '"Sung-Ho Kang"'
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3741-3748 (2024)
This study investigates the effect of minor Li addition on the solute clustering and thermal stability of precipitates in artificially aged Al–Mg–Si–Cu (AA6061) alloys. Li addition hinders the initial changes in hardness and electrical conducti
Externí odkaz:
https://doaj.org/article/1c1b3340b35d47c6b9aab85f329b6410
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1330-1340 (2024)
This study investigated the effects of Ag and Ge on the precipitation behavior and resultant properties of AA6061 alloys using hardness measurements, electrical conductivity tests, transmission electron microscopy (TEM), and atom probe tomography (AP
Externí odkaz:
https://doaj.org/article/0ac6fab0b0f24573b5d6ce212396d064
Autor:
Sung Hoon Kim, Wuju Son, Jaeill Yoo, Kyoung-Ho Cho, Taewook Park, Eun Jin Yang, Sung-Ho Kang, Hyoung Sul La
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
A multidisciplinary survey was carried out in the Pacific Arctic and sub-Arctic regions of the North Pacific Ocean on the Korean icebreaking research vessel Araon. During this survey, ichthyoplankton fishes in the Pacific Arctic and sub-Arctic region
Externí odkaz:
https://doaj.org/article/eb18cb4c669d4184953c2af212115365
Autor:
Shigeto Nishino, Jinyoung Jung, Kyoung-Ho Cho, William J. Williams, Amane Fujiwara, Akihiko Murata, Motoyo Itoh, Eiji Watanabe, Michio Aoyama, Michiyo Yamamoto-Kawai, Takashi Kikuchi, Eun Jin Yang, Sung-Ho Kang
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-12 (2023)
Abstract The Arctic Ocean is facing dramatic environmental and ecosystem changes. In this context, an international multiship survey project was undertaken in 2020 to obtain current baseline data. During the survey, unusually low dissolved oxygen and
Externí odkaz:
https://doaj.org/article/e695d2c8145e447ea4a85df7e6f10a7c
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 3104-3108 (2023)
Ge addition effect on the delaying natural aging of Al–Mg–Si–Cu alloy was investigated. Natural aging kinetic and cluster size was suppressed by the Ge addition. Using atom probe tomography, it was found that Ge refines cluster evolution by dis
Externí odkaz:
https://doaj.org/article/27266428940a42e1bdad7e2083df5266
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 2757-2768 (2023)
The effects of microalloying with Ag, Li, and Sc on the hot-extruded microstructures of Al–Mg–Si–Cu alloys were studied. Each microalloying element was observed to affect the hot-deformed microstructure of the alloy, with a retarding effect on
Externí odkaz:
https://doaj.org/article/7af6658ea8044f509842ba81f0edc11e
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
In the Arctic Ocean, the northern Chukchi and East Siberian Seas (NCESS) are vulnerable to climate change due to warming, sea ice melting, and surface freshening. To investigate how local physical forcing affects phytoplankton biomass and communities
Externí odkaz:
https://doaj.org/article/c074aae576bb44349ae7833e5506039a
Autor:
Mi Hae Jeon, Jinyoung Jung, Mi Ok Park, Kyoung-Ho Cho, Youngju Lee, Eun Jin Yang, Sung-Ho Kang
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Increase in river discharge and seasonal primary production and decline in sea ice coverage in the Arctic Ocean in summer can significantly affect the distribution and composition of dissolved organic matter (DOM). This study aimed to enhance the cur
Externí odkaz:
https://doaj.org/article/046c52625b804268b56bba2d10d6d1ef
Autor:
Gisung Kim, Hyojung Kim, Mijoung Kim, Jaegwan Sin, Moonhoe Kim, Jaeho Kim, Haoran Zhou, Sung Ho Kang, Hye Min Oh, JungYup Yang
Publikováno v:
Nanomaterials, Vol 14, Iss 2, p 214 (2024)
Perovskite solar cells (PSCs) have been significantly improved by utilizing an inorganic hole-transporting layer (HTL), such as nickel oxide. Despite the promising properties, there are still limitations due to defects. Recently, research on self-ass
Externí odkaz:
https://doaj.org/article/3c825ea52e2f419eb639bcb24f10f7e8
Autor:
Dong-Gyun Han, Sookwan Kim, Martin Landrø, Wuju Son, Dae Hyeok Lee, Young Geul Yoon, Jee Woong Choi, Eun Jin Yang, Yeonjin Choi, Young Keun Jin, Jong Kuk Hong, Sung-Ho Kang, Tae Siek Rhee, Hyoung Chul Shin, Hyoung Sul La
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Seismic airgun sound was measured with an autonomous passive acoustic recorder as a function of distance from 18.6 to 164.2 km in shallow water (
Externí odkaz:
https://doaj.org/article/1708a6233b8f494f9c8ccd8481795369