Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Jong-Bae Jeon"'
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 2258-2269 (2024)
This study investigated the effects of uniaxial tensile strain on the magnetization process of an Fe-9wt%Ni (9Ni) alloy to increase understanding of its magnetic behavior. As the applied strain was increased from 0 to 14 %, the magnetization curve ch
Externí odkaz:
https://doaj.org/article/eb567bbf2ddc4dcfa16f39e32b7a1abb
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 4157-4168 (2023)
In recent years, the demand for high strength materials such as aerospace, offshore plant, energy, and manufacturing has increased due to the need for stability and reliability in severe environments. Especially, Inconel 718, a nickel-based superallo
Externí odkaz:
https://doaj.org/article/806b03377b0446de953804f60f0fbd74
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 5389-5403 (2023)
In this study, we investigated the anisotropy in tensile deformation behaviour of CP-Ti plate in the rolling (RD) and transverse direction (TD), using in-situ SEM-EBSD testing and stress-relaxation method. The EBSD-assisted slip trace analysis was co
Externí odkaz:
https://doaj.org/article/6d518b111e1142a3b4007d91e2d65dbc
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 2645-2656 (2022)
In this study, the effect and mechanism of ultrasonic melt treatment (UST) were studied to achieve high-quality molten Al–Mg alloy. The purpose was to analyze the change in the cleanliness of molten aluminum according to UST process conditions such
Externí odkaz:
https://doaj.org/article/1810b26d290940ee8266468bb9f618c0
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:
Ye-rim Kim, Eun-ah Kim, Joon Phil Choi, Taeho Ha, Soonho Won, Jong Bae Jeon, Se-hun Kwon, Hak-sung Lee
Publikováno v:
Crystals, Vol 13, Iss 11, p 1575 (2023)
This study investigates the challenges of additively manufactured interlocking structures, emphasizing joinability issues due to thermal deformation. These challenges become pronounced when fabricating high-density structures without fully interconne
Externí odkaz:
https://doaj.org/article/f7123e594057461b960ce4e56fc3a324
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 5554-5568 (2021)
In this work, effect of sample size on mechanical properties in the net-shaped 316 L alloys produced by laser powder bed fusion (LPBF) was studied. Tensile specimens with four different geometries, having the same total cross-sectional areas but with
Externí odkaz:
https://doaj.org/article/d6f0290107c64ebab15a2512d1db4b1b
Publikováno v:
Journal of Materials Research and Technology, Vol 14, Iss , Pp 2782-2788 (2021)
The phase transformation behavior from metastable bcc-δ to fcc-γ in Fe–Mn–Si based shape memory alloy processed by laser powder bed fusion was investigated. Primary δ phase formed in this alloy due to the rapid cooling and fast solidification.
Externí odkaz:
https://doaj.org/article/64658b42fd0c466b8b47b586cf333d2a
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:
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