Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Moonwoo La"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract Grain refinement is a crucial issue in metallic materials. One of the emerging techniques to obtain equiaxed grains is to apply an electric current to the liquid metal during solidification. With this view, in this paper, the effect of elect
Externí odkaz:
https://doaj.org/article/47d11ca3284d4646acf3ca4cd71e9815
Autor:
Donghan Lee, Joonmin Chae, Sumin Cho, Jong Woo Kim, Awais Ahmad, Mohammad Rezaul Karim, Moonwoo La, Sung Jea Park, Dongwhi Choi
Publikováno v:
International Journal of Extreme Manufacturing, Vol 6, Iss 4, p 045502 (2024)
Amid the growing interest in triboelectric nanogenerators (TENGs) as novel energy-harvesting devices, several studies have focused on direct current (DC) TENGs to generate a stable DC output for operating electronic devices. However, owing to the wor
Externí odkaz:
https://doaj.org/article/ede5294940e943ecb0c2ead8c3ae47f6
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss , Pp 818-830 (2021)
The effect of electric current on the refinement of pure aluminum during solidification was investigated based on microstructural observations and numerical simulations. Coarse columnar grains are observed without the application of direct current (D
Externí odkaz:
https://doaj.org/article/052b773cb49d420080ff903a39823ef2
Publikováno v:
Materials, Vol 13, Iss 4, p 872 (2020)
Renewable energy harvesting technologies have been actively studied in recent years for replacing rapidly depleting energies, such as coal and oil energy. Among these technologies, the triboelectric nanogenerator (TENG), which is operated by contact-
Externí odkaz:
https://doaj.org/article/e9be91a34b3249078a4f4dfcbec1284d
Publikováno v:
Micromachines, Vol 9, Iss 11, p 551 (2018)
Triboelectric nanogenerators (TENG), which utilize contact electrification of two different material surfaces accompanied by electrical induction has been proposed and is considered as a promising energy harvester. Researchers have attempted to form
Externí odkaz:
https://doaj.org/article/e8c6b6edad1744db9825ce840096bada
Publikováno v:
Polymers, Vol 10, Iss 4, p 370 (2018)
This study reveals a methodological research for predicting mechanical properties of phosphor films through the chemical crosslinking reaction of methyl silicone resin during fabrication of the phosphor films. Crosslinking point according to the type
Externí odkaz:
https://doaj.org/article/93e4996a1ca249f3a6c1cc3316b53cc7
Autor:
Sae Hyuk Lee, Sumin Cho, Sunmin Jang, Donghan Lee, Dongik Kam, Jun Hyuk Choi, Zahid Hanif, Moonwoo La, Sung Jea Park, Dongwhi Choi
Publikováno v:
International Journal of Precision Engineering and Manufacturing-Green Technology. 10:193-204
Publikováno v:
International Journal of Energy Research. 45:18262-18274
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss, Pp 818-830 (2021)
The effect of electric current on the refinement of pure aluminum during solidification was investigated based on microstructural observations and numerical simulations. Coarse columnar grains are observed without the application of direct current (D
Publikováno v:
International Journal of Energy Research. 45:6395-6404