Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Moonhee, Choi"'
Autor:
Minjeong Kim, Wolil Nam, Jihye Seo, Jihyun Park, Seokha Heo, Yuna Hwang, Sang-Soo Chee, Soobeom Lee, Seungchan Cho, Geon−hyoung An, Yangdo Kim, Moonhee Choi
Publikováno v:
Journal of Asian Ceramic Societies, Vol 12, Iss 4, Pp 296-305 (2024)
This study focused on achieving high ionic conductivity in Li-La-TiO (LLTO) solid electrolyte. To enhance ionic conductivity, the synthesis reaction was optimized by controlling the composite crystal structure of TiO2 at the B-site of the perovskite
Externí odkaz:
https://doaj.org/article/01c2275cdaad44c5949e3a5620bfa4c4
Autor:
Seungchan Cho, Jihye Lee, Sangmin Shin, Donghyun Lee, Minsoo Kim, Hansang Kwon, Moonhee Choi, Yoon-Seok Lee, Ilguk Jo, Hyun-Uk Hong, Junghwan Kim
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 7241-7253 (2023)
The high-temperature properties of titanium carbide (TiC)–reinforced stainless steel (SS) matrix composite, fabricated through infiltration process, were investigated across different temperatures. By adding highly concentrated and closely adjacent
Externí odkaz:
https://doaj.org/article/a0c54f4732604d29871fc027f6a1052f
Publikováno v:
Metals, Vol 14, Iss 4, p 440 (2024)
In the selective laser melting (SLM) additive manufacturing process of Inconel 718, the emergence of Laves and δ precipitate phases in the γ matrix during or after heat treatment is a critical consideration. This study comprehensively assesses the
Externí odkaz:
https://doaj.org/article/95ea9dd822344ec78822fe0bfc951196
Autor:
Seong Hyeok Choi, Yoon-Seok Lee, Hun Kwak, Hyeon Jin Jung, Minkee Kim, Seungchan Cho, Jun Hyeon Yoon, Ji Woo Choi, Min Seong Kim, Ji Hyeon Kim, Ilguk Jo, Yangdo Kim, Moonhee Choi
Publikováno v:
Journal of Asian Ceramic Societies, Vol 10, Iss 4, Pp 713-721 (2022)
In this study, solid-state BaTiO3 was successfully synthesized after the disintegration of the starting materials (BaCO3 and TiO2) under various conditions. By analyzing the microstructure, tetragonality, crystallinity, and particle size distribution
Externí odkaz:
https://doaj.org/article/6854ca51526d47f9859c85186e56ba7c
Autor:
Sang-Heun Lee, Yoon-Seok Lee, Jandi Kim, Ji-Hye Seo, Myunghee Cho, Hun Kwak, Ran-Sae Cheon, Seungchan Cho, Yangdo Kim, Kyoung-Seok Moon, Moonhee Choi
Publikováno v:
Applied Sciences, Vol 13, Iss 17, p 9720 (2023)
In this study, the anatase–rutile phase fraction of TiO2, which would play a vital role in the solid-state synthesis of BaTiO3, was controlled to form a composite phase. The composite TiO2 was applied to a solid-state synthesis reaction, and the te
Externí odkaz:
https://doaj.org/article/f835c89bf633433dbc85d3a2e5a6d59a
Autor:
Seong Hyeok Choi, Yoon-Seok Lee, Sang Heun Lee, Kyungki Beak, Seungchan Cho, Ilguk Jo, Yangdo Kim, Kyoung-Seok Moon, Moonhee Choi
Publikováno v:
Ceramics International. 49:17921-17929
Publikováno v:
Metals, Vol 12, Iss 10, p 1722 (2022)
The mechanical properties of Ti-6Al-4V alloy are affected by its microstructures. However, the effects of these microstructures on the high cycle fatigue behavior of Ti-6Al-4V alloy with a mixed structure (α + β phases) remain unknown. In this stud
Externí odkaz:
https://doaj.org/article/dfc0a9508d9540ddbf03a41eae1ec359
Publikováno v:
Applied Sciences, Vol 12, Iss 15, p 7813 (2022)
When the uniformity of the magnetization yoke is low, a mismatch occurs between the physical rotation center and the center due to the magnetic force after magnetization. This discrepancy in rotation can cause issues such as vibration and noise durin
Externí odkaz:
https://doaj.org/article/167df64d8cfc4bd18c34737519e23eb2
Autor:
Yoon-Seok Lee, Shunnosuke Yamagishi, Masataka Tsuro, Changwook Ji, Seungchan Cho, Yangdo Kim, Moonhee Choi
Publikováno v:
Metals, Vol 11, Iss 11, p 1854 (2021)
The wear behavior of AISI304 stainless steel was investigated under dry, water-, and oil-lubricated conditions. A block-on-disk wear test was conducted in this work, since the test conditions could be controlled easily. For oil-lubricated contact, a
Externí odkaz:
https://doaj.org/article/7d7c621c120d47fa8d93308ced628d85
Autor:
Yeonjin Je, Eunjeong Kim, Nguyen Vu Binh, Hyeongtae Kim, Su-yeon Cho, Do-Hyeon Lee, Mi Ji Kwon, Moonhee Choi, Jae Hyun Lee, Woo Hyun Nam, Younki Lee, Jung Young Cho, Jun Hong Park
Publikováno v:
Electronic Materials Letters.