Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Young-Seok Oh"'
Autor:
Sung Jin Park, Seong-Hyeon Jo, Sehyeok Oh, Young-Seok Oh, Se-Jong Kim, Ho Won Lee, Seong-Hoon Kang, Young Hoon Moon, Jaimyun Jung
Publikováno v:
Materials & Design, Vol 217, Iss , Pp 110631- (2022)
Due to their low coefficient of thermal expansion, Invar sheets are used as the material for fine metal masks (FMM). In producing theses masks, the sheets are often chemically etched to produce arrays of micro-holes. Because etching behavior of a mat
Externí odkaz:
https://doaj.org/article/daa3b3f4b092421280abf1000759d264
Autor:
Sung Jin Park, Seong-Hyeon Jo, Jung Gi Kim, Juntae Kim, Ryul Lee, Young-Seok Oh, Se-Jong Kim, Ho Won Lee, Seong-Hoon Kang, Jaimyun Jung
Publikováno v:
Metals, Vol 12, Iss 1, p 110 (2022)
Invar alloy possesses a uniquely low coefficient of thermal expansion, making it an ideal material for fine metal masks. To manufacture fine metal masks, Invar alloys are often cold-rolled, during which residual stress develops. Heat treatment is an
Externí odkaz:
https://doaj.org/article/cd36cf5723c44785bcd049792a0f2ee9
Autor:
In Yong Moon, Hi Won Jeong, Ho Won Lee, Se-Jong Kim, Young-Seok Oh, Jaimyun Jung, Sehyeok Oh, Seong-Hoon Kang
Publikováno v:
Metals, Vol 12, Iss 2, p 223 (2022)
The high-temperature deformation behavior of metals and alloys undergoes complex mechanisms depending on the deformation conditions. The microstructure and mechanical properties after deformation are important factors that determine the strength and
Externí odkaz:
https://doaj.org/article/0490d560aae44906b47029102a382e87
Autor:
Byung-Jin Choi, In Yong Moon, Young-Seok Oh, Seong-Hoon Kang, Se-Jong Kim, Jaimyun Jung, Ji-Hoon Kim, Dong-Kyu Kim, Ho Won Lee
Publikováno v:
Metals, Vol 11, Iss 9, p 1338 (2021)
In this paper, the extrusion process of titanium seamless tubes was studied using several finite element (FE) analyses. First, the finite element result was compared with experimental extrusion data acquired to validate the current analysis. Then, th
Externí odkaz:
https://doaj.org/article/766e0393837d405eb2e31011d83227e6
Publikováno v:
Metals, Vol 11, Iss 7, p 1112 (2021)
In molten carbonate fuel cell (MCFC) systems, it is known that the shape of corrugated plates has a significant influence on performance, durability, and cost. A corrugated plate with a repeating open trapezoidal-shaped slot supports membrane electro
Externí odkaz:
https://doaj.org/article/e5588d203aed4449b5eb7e30d3264b2a
Publikováno v:
Metals, Vol 11, Iss 5, p 777 (2021)
We have investigated the effect of initial microstructures on the change in critical current density (Jc) of Nb-46.5 wt%Ti (NbTi) superconducting material. It is well known that α-Ti phases distributed in NbTi material act as a flux pinning center,
Externí odkaz:
https://doaj.org/article/d23713c71b6c42d98dce4ad0bdb4898a
Publikováno v:
Materials, Vol 14, Iss 9, p 2095 (2021)
A convolutional neural network (CNN), which exhibits excellent performance in solving image-based problem, has been widely applied to various industrial problems. In general, the CNN model was applied to defect inspection on the surface of raw materi
Externí odkaz:
https://doaj.org/article/8e85995dded14948a4eddc20a8e2daf9
Autor:
Ho Won Lee, Kwang Jae Yoo, Minh Tien Tran, In Yong Moon, Young-Seok Oh, Seong-Hoon Kang, Dong-Kyu Kim
Publikováno v:
Materials, Vol 12, Iss 18, p 2862 (2019)
In the present study, we have investigated the effect of post-welding heat treatment (PWHT) of quenching and tempering (QT) on the microstructure and mechanical properties of welded boron steel joints processed using laser-arc hybrid welding on two c
Externí odkaz:
https://doaj.org/article/2e05c49d0f4843c9af3e5d5430540d5e
Autor:
Young Seok Oh, Ki Ok Ahn, Sang Do Shin, Kentaro Kagino, Tatsuya Nishiuchi, Matthew Ma, Patrick Ko, Marcus Eng Hock Ong, Ng Yih Yng, Benjamin Leong
Publikováno v:
Clinical and Experimental Emergency Medicine, Vol 7, Iss 2, Pp 95-106 (2020)
Objective To investigate variations in the effects of prehospital advanced airway management (AAM) on outcomes of out-of-hospital cardiac arrest (OHCA) patients according to regional emergency medical service (EMS) systems in four Asian cities. Metho
Externí odkaz:
https://doaj.org/article/f4dbaa45a2d243c1bfbfae300566e300
Autor:
Do-Won Kim, Jianbing Zhao, Young-Seok Oh, Waiyapot Suttawassuntorn, Wendy Lau, Archana Ashok, Suohai Mei
Publikováno v:
Optical Interconnects XXIII.