Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Jeong-Jung Oak"'
Autor:
Dohyung Kim, Taehwan Kim, Kyeongsik Ha, Jeong-Jung Oak, Jong Bae Jeon, Yongho Park, Wookjin Lee
Publikováno v:
Metals, Vol 10, Iss 3, p 410 (2020)
18Ni-300 maraging steel produced by the selective laser melting (SLM) process has a unique microstructure that is different from that of the same alloy processed by conventional methods. In this paper, maraging steels were fabricated by the selective
Externí odkaz:
https://doaj.org/article/51b78c27e36e43a3b8eccd897b6495ea
Publikováno v:
Journal of Biomechanical Science and Engineering, Vol 4, Iss 3, Pp 377-383 (2009)
Newly approach using the formation process of polymer foam is introduced in this study to prepare porous hydroxyapatite (HAp) scaffolds for bone tissue engineering applications, which could provide a better control over the microstructures of scaffol
Externí odkaz:
https://doaj.org/article/24891e087d28465d821b2250ba79730b
Autor:
Jeong-Jung OAK, Gi-Wook HWANG, Yong-Ha PARK, Hisamichi KIMURA, Seog-Young YOON, Akihisa INOUE
Publikováno v:
Journal of Biomechanical Science and Engineering, Vol 4, Iss 3, Pp 384-391 (2009)
Ni-free type Ti-based metallic glass evaluated in this study has imposing performances for biomaterials that is based on high bulk forming ability (BFA) for implantable materials, superior specific strength, low Young's modulus as hard tissue replace
Externí odkaz:
https://doaj.org/article/d37abe9dab404fa2b191115c520b9732
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 108:2385-2396
The aim of this study is to explore the wear performance of AISI 316L stainless steel fabricated via selective laser melting along different directions with respect to the building direction and via post annealing. The wear behavior of the alloy unde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::782b41c2a8f50f02010c6a39d170e38b
https://doi.org/10.1007/s00170-020-05572-8
https://doi.org/10.1007/s00170-020-05572-8
Autor:
Yong Ho Park, Ki Chang Bae, Jeong-Jung Oak, Wookjin Lee, Yonghwan Kim, Heesoo Lee, Do Hyung Kim
Publikováno v:
Wear. :203962
The aim of this study is to study the wear performance of maraging 18Ni-300 steel, fabricated via selective laser melting, with respect to the building direction. The wear resistance of the alloy was investigated with various sliding velocities, incl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cdf3f49fd843325b301eb05f20640ec1
https://doi.org/10.1016/j.wear.2021.203962
https://doi.org/10.1016/j.wear.2021.203962
Publikováno v:
Metals and Materials International. 23:1097-1105
The aim of this study was to investigate the transition of wear behavior for pure aluminum and extruded aluminum alloy 2024-T4 (AA2024-T4). The wear test was carried using a ball-on-disc wear testing machine at various vertical loads and linear speed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79a4b31d4117832ccbe068dafec5e103
https://doi.org/10.1007/s12540-017-7158-y
https://doi.org/10.1007/s12540-017-7158-y
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 2, Pp 1089-1097 (2017)
In this study, the newly designed Al-9Si/SiC particles (SiCp) + Ti-fiber (2step-reinforced Al-9Si alloy matrix) metal matrix composites (MMCs) were fabricated by hot-pressing sintering at 560°C. 2step-reinforced Al-based MMCs were characterized by t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06b0afdb8190ad79ff240df470dfa80b
https://doi.org/10.1515/amm-2017-0097
https://doi.org/10.1515/amm-2017-0097
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 2, Pp 1105-1108 (2017)
To investigate the effect of Fe content on the correlation between the microstructure and mechanical properties in near-b titanium alloys, the Ti-5Al-5Mo-5V-1Cr-xFe alloy system has been characterized in this study. As the Fe content increased, the n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ee48a061e1fc21e7f542c03e7ac778b
https://doi.org/10.1515/amm-2017-0160
https://doi.org/10.1515/amm-2017-0160
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 2, Pp 1099-1104 (2017)
The oxidation kinetics of forged 12Cr-MoVW steel was investigated in an air (N2+O2) atmosphere at 873-1073 K (Δ50 K) using thermogravimetric analysis. The oxidized samples were characterized using X-ray diffraction, and the surface and cross-section
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::793e3b2701eed855d06c3d9c10b5d447
https://doi.org/10.1515/amm-2017-0159
https://doi.org/10.1515/amm-2017-0159
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 2, Pp 1081-1087 (2017)
The newly designed Ti-based bulk metallic glass (BMG) in which case of fracture behavior was observed 1990MPa to compressive strength with a wide plastic deformation around 7% after process of elastic deformation. This phenomenon can be compared with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d777ed36a90b99806e3ae0df119b427
https://doi.org/10.1515/amm-2017-0158
https://doi.org/10.1515/amm-2017-0158