Zobrazeno 1 - 10
of 223
pro vyhledávání: '"Hyoung Chan Kim"'
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 1, Pp 99-102 (2024)
API X70 steel requires high strength and toughness for safety in extreme environments like high pressure and low temperature. Submerged Arc Welding (SAW ) is effective for manufacturing thick steel pipes. However, the welding heat input during SAW al
Externí odkaz:
https://doaj.org/article/36ff64b150894ad68c8c6b39c0d3b06b
Autor:
Minha Park, Gang Ho Lee, Geon-Woo Park, Gwangjoo Jang, Hyoung-Chan Kim, Sanghoon Noh, Jong Bae Jeon, Byoungkoo Kim, Byung Jun Kim
Publikováno v:
Materials, Vol 17, Iss 16, p 4159 (2024)
High-manganese steel (high-Mn) is valuable for its excellent mechanical properties in cryogenic environments, making it essential to understand its deformation behavior at extremely low temperatures. The deformation behavior of high-Mn steels at extr
Externí odkaz:
https://doaj.org/article/fdfa8b57a14b44f7b908beea30a598bb
Autor:
Minha Park, Moonseok Kang, Geon-Woo Park, Gwangjoo Jang, Byoungkoo Kim, Hyoung Chan Kim, Jong Bae Jeon, Hyunmyung Kim, Se-Hun Kwon, Byung Jun Kim
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 4497-4512 (2022)
The high-Mn austenitic steels exhibit fully austenitic structure at room temperatures while showing twinning mechanisms during deformations. In the SAW welding process, the microstructure and mechanical properties of heat affected zone (HAZ) and weld
Externí odkaz:
https://doaj.org/article/0f9f3576b70b499e9a5750bd7eace329
Autor:
Myeongji Jo, Hyo-Seong Kim, Jeong Yeol Park, Seok Goo Lee, Byung Jun Kim, Hyoung Chan Kim, Yong-sik Ahn, Byoungkoo Kim, Namhyn Kang, Daegeun Nam
Publikováno v:
Metals, Vol 12, Iss 12, p 2086 (2022)
Functionally graded materials (FGMs) have a characteristic whereby the composition and structure are gradually changed according to the location, and the mechanical properties or chemical properties are gradually changed accordingly. In this study, u
Externí odkaz:
https://doaj.org/article/0bdcb74f097e4fd496d4d9f2ffc5bd13
Publikováno v:
Materials, Vol 15, Iss 17, p 5836 (2022)
The tensile deformation behavior of double-forged (DF-W) and recrystallized (RX-W) commercial-grade tungsten was investigated at 700 °C. With increasing strain rate, the dominant dynamic recrystallization (DRX) mechanism changes from continuous dyna
Externí odkaz:
https://doaj.org/article/ee4027c8b0e943fa86ab8ed0560d7a06
Publikováno v:
Water, Vol 14, Iss 14, p 2233 (2022)
When a drought occurs, drought response is mainly focused on the development of new wells. However, it is inefficient to respond to droughts by developing additional new wells in areas where many existing groundwater wells have been developed. Rather
Externí odkaz:
https://doaj.org/article/df1436a0ebfd4f09bb6abdf27077da82
Autor:
Byeong Chan Choi, Byoungkoo Kim, Byung Jun Kim, Yong-Wook Choi, Sang Joon Lee, Jong Bae Jeon, Yangdo Kim, Hyoung Chan Kim
Publikováno v:
Metals, Vol 11, Iss 11, p 1839 (2021)
This study investigated the low-temperature fracture behavior of an 80-mm-thick low-carbon steel plate welded by submerged arc. The relationship between impact absorbed energy and ductility–brittle transition temperature (DBTT) based on the microst
Externí odkaz:
https://doaj.org/article/6bbc558477994909be4834b1f66965bb
Autor:
Andrews Nsiah Ashong, Min Young Na, Hyoung Chan Kim, Sang Hoon Noh, Taesung Park, Hye Jung Chang, Jeoung Han Kim
Publikováno v:
Materials & Design, Vol 182, Iss , Pp - (2019)
A novel high-Mn oxide-dispersion-strengthened (ODS) steel, with high cryogenic temperature impact energy, was developed. The effect of Mn content on the microstructure and mechanical properties of ODS steels were examined. The addition of 25 wt.% Mn
Externí odkaz:
https://doaj.org/article/a21769c7d7ad4ae59a2817cae05c3ea0
Autor:
Moonseok Kang, Minha Park, Byoungkoo Kim, Hyoung Chan Kim, Jong Bae Jeon, Hyunmyung Kim, Chang Yong Choi, Hee Sang Park, Se-Hun Kwon, Byung Jun Kim
Publikováno v:
Metals, Vol 11, Iss 5, p 768 (2021)
High-strength steel is widely used in hot forging products for application to the oil and gas industry because it has good mechanical properties under severe environment. In order to apply to the extreme environment industry requiring high temperatur
Externí odkaz:
https://doaj.org/article/3e37500018a54c9cb30c2ac2090ce7db
Autor:
Minha Park, Gang Ho Lee, Geon-Woo Park, Gwangjoo Jang, Byoungkoo Kim, Hyoung Chan Kim, Se-Hun Kwon, Sanghoon Noh, Jong-Bae Jeon, Byung Jun Kim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df0cbc160db723733d099458fc686a79
https://doi.org/10.2139/ssrn.4385717
https://doi.org/10.2139/ssrn.4385717