Zobrazeno 1 - 10
of 1 046
pro vyhledávání: '"Hyoung-Seop Kim"'
Autor:
Joung Ouk (Ryan) Kim, Yong-Suk Jeong, Jin Ho Kim, Jong-Weon Lee, Dougho Park, Hyoung-Seop Kim
Publikováno v:
Diagnostics, Vol 11, Iss 6, p 943 (2021)
Background: This study proposes a cardiovascular diseases (CVD) prediction model using machine learning (ML) algorithms based on the National Health Insurance Service-Health Screening datasets. Methods: We extracted 4699 patients aged over 45 as the
Externí odkaz:
https://doaj.org/article/a9e258870b8d4a7f8163273ca3b1fe68
Autor:
Chahee Jung, Seungin Nam, Hansol Son, Juyeon Han, Jaewon Jeong, Hyokyung Sung, Hyoung Seop Kim, Seok Su Sohn, Hyunjoo Choi
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 1470-1478 (2024)
Our study investigated the reinforcing effect of submicron-sized (100–500 nm) Al0.5CoCrCuFeNi high-entropy alloy particles (HEAps) on the tensile properties of Al matrix composites. The HEAps were refined to the submicron-sized level via a thermal
Externí odkaz:
https://doaj.org/article/72a48ebf5d1d49329a19413af9d5bdad
Autor:
Man Jae SaGong, Rae Eon Kim, Jeong Ah Lee, Hyojin Park, Soung Yeoul Ahn, Shuai Xu, Haiming Zhang, Renhao Wu, Hyoung Seop Kim
Publikováno v:
Materials Research Letters, Vol 12, Iss 10, Pp 709-718 (2024)
Repair offers significant time—cost savings and durability by reusing existing parts efficiently. Prior to implementation of repaired parts, it is crucial to clarify mechanical properties and deformation mechanisms to ensure proper performance. In
Externí odkaz:
https://doaj.org/article/0b0aadcc97c44bbf8f3f9119843a80f9
Autor:
Renhao Wu, Soung Yeoul Ahn, Yeon Taek Choi, Hyojin Park, Man Jae SaGong, Ganesh Sattineni, Hyeonseok Kwon, Sang Guk Jeong, Gitaek Lee, Ho Hyeong Lee, Haiming Zhang, Hyoung Seop Kim
Publikováno v:
Materials Research Letters, Vol 12, Iss 10, Pp 689-699 (2024)
This study delves into effects of deep cryogenic treatment (DCT) on enhancing the hydrogen embrittlement resistance of CoCrFeMnNi high-entropy alloy fabricated via laser powder-bed-fusion (L-PBF). Comparatively assessing as-print, conventional heat t
Externí odkaz:
https://doaj.org/article/027069ea757a415fa9adb6a14b799acf
Autor:
Man Jae SaGong, Jeong Ah Lee, Rae Eon Kim, Hyojin Park, Soung Yeoul Ahn, Hyunjoo Choi, Renhao Wu, Hyoung Seop Kim
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3347-3356 (2024)
Direct energy deposition (DED) has gained attention in the field of metal repair because of its ability to integrate additively deposited material with preexisting components. Having the beneficial aspects of depositing right material, DED is evaluat
Externí odkaz:
https://doaj.org/article/7867616a33ff4b9596ed3e92ff43e543
Autor:
Shuxia Ouyang, Xiaobing Hu, Qingfeng Wu, Jeong Ah Lee, Jae Heung Lee, Chenjin Zhang, Chunhui Wang, Hyoung Seop Kim, Guangyu Yang, Wanqi Jie
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 8, Pp 3281-3291 (2024)
Mg-Gd-Zn based alloys have better creep resistance than other Mg alloys and attract more attention at elevated temperatures. However, the multiple alloying elements and various heat treatment conditions, combined with complex microstructural evolutio
Externí odkaz:
https://doaj.org/article/c584bd84b3284b1f97ac4037c3ead387
Autor:
Rae Eon Kim, Gang Hee Gu, Jeong Ah Lee, Yeon Taek Choi, Hyojin Park, Jaehun Kim, Min Hong Seo, Hyoung Seop Kim
Publikováno v:
Materials Research Letters, Vol 12, Iss 8, Pp 606-615 (2024)
High-strength materials are essential for applications in the structural industry. However, their limited formability restricts broader industrial use. This study proposes a novel methodology to achieve an excellent combination of formability and str
Externí odkaz:
https://doaj.org/article/0a9418719829463fae8fc0d27aa15a62
Autor:
Jungho Choe, Kyung Tae Kim, Jeong Min Park, Hyomoon Joo, Sang Guk Jeong, Eun Seong Kim, Soung Yeoul Ahn, Gang Hee Gu, Hyoung Seop Kim
Publikováno v:
Materials Research Letters, Vol 12, Iss 8, Pp 598-605 (2024)
Crack-free Al–Zn–Mg–Cu alloy, processed by laser powder bed fusion, displays a characteristic microstructure comprising fine equiaxed grains (EGs) and coarse columnar grains (CGs). Notably, the CGs show a high hardness compared to EGs due to th
Externí odkaz:
https://doaj.org/article/07c34fa5eefe4aae9ea44901a1d4b20a
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 2116-2125 (2024)
Applying the medium-entropy alloy (MEA) concept to Al alloys is considered a promising approach to enhance their strength. However, the deformable Al-based MEA under tensile stress has not been reported due to the presence of a substantial amount of
Externí odkaz:
https://doaj.org/article/7da4eeacc19440e6bd152d3d3b6b3fd2
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Achieving an optimal balance between strength and ductility in advanced engineering materials has long been a challenge for researchers. In the field of material strengthening, most approaches that prevent or impede the motion of dislocation
Externí odkaz:
https://doaj.org/article/093f5e4b67494194835eee38f784a043