Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Hyeon Woo Son"'
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:
Yong-You Kim, Daniel F.T. Rosenthal, Dongwon Shin, Hyeon-Woo Son, Sang-Hwa Lee, Young-Hee Cho, David N. Seidman, Kwangjun Euh
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 697-702 (2023)
The effect of Sn addition on the natural aging behavior of Al–Zn–Mg alloy was investigated using atom probe tomography (APT) experiments and density functional theory (DFT) calculations. The results demonstrate that Sn retards the natural aging b
Externí odkaz:
https://doaj.org/article/06d704c4c0ec4e5ca6754c50467a94fb
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 6000-6008 (2023)
This study examines the effects of different intermediate annealing times during multi-pass cold-torsion tests on the microstructure in alloys of aluminum, magnesium, silicon, and copper (Al–Mg–Si–Cu). The mean flow stress, when the intermediat
Externí odkaz:
https://doaj.org/article/8e03b370184846ad9ea7f84453ea4f20
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
Autor:
Hyeon-Woo Son, Soong-Keun Hyun
Publikováno v:
Journal of Magnesium and Alloys, Vol 10, Iss 12, Pp 3495-3505 (2022)
Zn addition to Mg alloys activates non-basal slip or twinning with solute softening effects. On the other hand, the effects of the Zn solute on the macroscopic dislocation behavior and dynamic recrystallization are not completely understood. Moreover
Externí odkaz:
https://doaj.org/article/2f39f7e7a39e4f8eacc977e2598084be
Publikováno v:
Journal of the Korean Ophthalmological Society. 62:963-968
Purpose: The prevalence and risk factors of neovascular glaucoma (NVG) after diabetic vitrectomy were evaluated. Methods: This retrospective study included 171 eyes of 141 patients who underwent diabetic vitrectomy in-hospital between March 2013 and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bfd638885041709e5884c250ad877f7
https://doi.org/10.3341/jkos.2021.62.7.963
https://doi.org/10.3341/jkos.2021.62.7.963
Autor:
Hyeon Woo Son, Jung Min Park
Publikováno v:
Journal of the Korean Ophthalmological Society. 62:656-664
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50269639d6bc69f750b84bf388081387
https://doi.org/10.3341/jkos.2021.62.5.656
https://doi.org/10.3341/jkos.2021.62.5.656
Autor:
Sang-Wook Kim, Chang-Hee Cho, Jong-Kyun Kim, Jae-Cheol Lee, Yong-Jae Kim, Soong-Keun Hyun, Hyeon-Woo Son
Publikováno v:
Journal of Nanoscience and Nanotechnology. 21:1990-1995
The workability of Al–xMg alloys with a high Mg content (Al–6Mg, Al–8Mg, Al–9Mg) was evaluated by investigating the microstructure and processing map. Hot torsion tests were conducted in the range of 350–500 °C between 0.1 and 1 s−1. Con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b2dd7e96017b5c18da9aa0a89de0358
https://doi.org/10.1166/jnn.2021.18921
https://doi.org/10.1166/jnn.2021.18921