Zobrazeno 1 - 10
of 157
pro vyhledávání: '"Seok Su Sohn"'
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:
Jeong-Chan Lee, Dae Cheol Yang, Min Young Sung, Nam-Seok Kim, Hyung-Ki Park, Miri Choi, Young Do Kim, Seok Su Sohn, Chang-Soo Park
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2757-2766 (2024)
Hydrogen embrittlement (HE) resistance is a significant concern in austenitic stainless steel (ASS) used for hydrogen transportation and storage. While microstructure-controlled methods to enhance HE resistance have been extensively studied in ferrit
Externí odkaz:
https://doaj.org/article/6c5b8cc85d4041a0865f50560bb0e07e
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 9, Pp 3528-3535 (2024)
SA508 Gr.1A low-alloy steel is being considered as a candidate material for main steam line piping in nuclear power plants. Therefore, improving its strength and toughness is essential for enhancing the leak-before-break (LBB) margin. In this study,
Externí odkaz:
https://doaj.org/article/e8fc2ef6d4804cadbee93d8783facae1
Autor:
Young Mok Kim, Tae Jin Jang, Donghyeon Chae, Boryung Yoo, Sang-Ho Oh, Hyungjo Seo, Seungjin Nam, Dogyun Byeon, Joungwook Kim, Byeong-Joo Lee, Pyuck-Pa Choi, Alireza Zargaran, Seok Su Sohn
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1589-1601 (2024)
In response to the persistent challenge of optimizing the tribological performance of engineered coatings without compromising material hardness, this study investigates the potential of medium-entropy CrCoNiCu alloy films. Fabricated via sputtering
Externí odkaz:
https://doaj.org/article/39143fe2b027409c94f6569ea1a706fa
Autor:
Dae Cheol Yang, Ki Jeong Kim, Gunjick Lee, Sang Yoon Song, Ju-Hyun Baek, Jin-Yoo Suh, Seong-Moon Seo, Young Kyun Kim, Young Sang Na, Seok Su Sohn
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3971-3981 (2024)
In this study, single-crystalline and poly-crystalline CrCoNi alloys are utilized as model systems to analyze the distinct roles of each GB and interstitial lattice sites. To effectively reveal hydrogen behavior, both electrochemical and gaseous hydr
Externí odkaz:
https://doaj.org/article/1ecbf9701af344c7a55f597cd6828991
Autor:
Dae Cheol Yang, Alireza Zargaran, Thi Thanh Tram Trang, Sang Yoon Song, Ju-Hyun Baek, Jungwan Lee, Seong-Moon Seo, Young Kyun Kim, Jin-Yoo Suh, Hyoung Seop Kim, Young Sang Na, Seok Su Sohn
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 2484-2497 (2024)
The mechanical properties of materials, especially metals and alloys, can be significantly enhanced through deformation-induced twin strengthening. This phenomenon is intrinsically tied to microstructural factors, such as stacking fault energy, yield
Externí odkaz:
https://doaj.org/article/0eb74fcceeb843a1bb147141206f0c16
Autor:
Young Mok Kim, Tae Jin Jang, Wansu Song, Hyeon-Seok Do, Sang-Ho Oh, Gyeongbeom Lee, Joungwook Kim, Eunsoo Yang, Byeong-Joo Lee, Ho Jang, Seok Su Sohn
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5429-5443 (2024)
High- or medium-entropy alloys have gained attention in coatings attributed to high wear resistance, with the formation of an amorphous phase. However, tailoring the crystal structure has limitations in improving both friction and wear characteristic
Externí odkaz:
https://doaj.org/article/cce8bc3b2fcd42c9be0347ec80f32999
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 984-999 (2023)
The pursuit of a superior combination of strength and ductility in metallic materials for structural applications has long been a challenge. Recently, L12 (γ′) precipitation-strengthened high-entropy alloys (HEAs) that undergo direct aging from co
Externí odkaz:
https://doaj.org/article/09afea132c0644fca9bffb8fe1f753c0
Publikováno v:
Journal of Magnesium and Alloys, Vol 11, Iss 8, Pp 2801-2810 (2023)
Herein, the evolution of long-period stacking ordered (LPSO) phases in the as-cast Mg-6Gd-1Zn-0.6Zr (wt.%) alloy are investigated via transmission electron microscopy (TEM) and atom probe tomography (APT). The TEM results reveal that two types of LPS
Externí odkaz:
https://doaj.org/article/51ffb955002e48b3a806bbfa9ec33e62
Autor:
Seungjin Nam, Dagam Park, Yongwook Song, Joohak Kim, Chahee Jung, Minsang Kim, Sehoon Kim, Jonghyuk Bae, Yongsung Kwon, Jaeho Moon, Heon Kang, Seok Su Sohn, Hyunjoo Choi
Publikováno v:
Materials & Design, Vol 233, Iss , Pp 112225- (2023)
We improved the interfacial bonding strength and heat transfer performance between wrought and cast Al alloy parts by implementing an interfacial Al-Si-Zn-based alloy coating layer. An additive manufacturing (AM)-based combinatorial experiment was em
Externí odkaz:
https://doaj.org/article/e39cc5ef21594affaa2d8c3f191ea282