Zobrazeno 1 - 10
of 140
pro vyhledávání: '"Jae Keun Hong"'
Autor:
Geonhyeong Kim, Taekyung Lee, Seyed Amir Arsalan Shams, Jae Nam Kim, Seong Woo Choi, Jae Keun Hong, Chong Soo Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 181-191 (2023)
This study aimed to develop heterogeneous-structured (HS) Ti-6Al-4V composed of coarse and fine grains to enhance the alloy's mechanical properties. This microstructure was induced by selective activation of dynamic globularization by using water-que
Externí odkaz:
https://doaj.org/article/448aa3aec6dd4cca93c1c9be4c65e952
Autor:
Geonhyeong Kim, Taekyung Lee, Yongmoon Lee, Jae Nam Kim, Seong Woo Choi, Jae Keun Hong, Chong Soo Lee
Publikováno v:
Metals, Vol 10, Iss 5, p 684 (2020)
Step rolling can be used to mass-produce ultrafine-grained (UFG) Ti-6Al-4V sheets. This study clarified the effect of subsequent annealing on the tensile properties of step-rolled Ti-6Al-4V at room temperature (RT) and elevated temperature. The step-
Externí odkaz:
https://doaj.org/article/edcf36dd13af4f88974bdd9f32eb2771
Autor:
A.K. Maurya, Jong-Taek Yeom, Jae H. Kim, Chan Hee Park, Jae-Keun Hong, Junha Yang, N.H. Kang, Seyoung Cheon, N.S. Reddy, Muralimohan Cheepu, Sang-Myung Cho
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3003-3013 (2024)
Wire and arc additive manufacturing (WAAM) technique has introduced a novel approach for producing complex Ti–6Al–4V parts with metric dimensions. However, the produced part leads to the development of a strong texture and anisotropic mechanical
Externí odkaz:
https://doaj.org/article/135a4071a5eb4fa1bb99a3d24d51ec80
Autor:
Kyung Young Kim, Jae H. Kim, Dae Won Yun, P.L. Narayana, Jong Hun Kim, Je In Lee, Jae-Keun Hong
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 5070-5081 (2023)
Commercially pure Ti (CP Ti) exhibits an exceptional corrosion resistance, and it is thus critical in the aerospace, marine, and petrochemical fields. However, pure Ti also displays a modest strength and limited wear resistance. Therefore, several st
Externí odkaz:
https://doaj.org/article/91a419bc915b4f859430f44b35fadeae
Autor:
Maurya, A.K., Narayana, P.L., Bhavani, A. Geetha, Jae-Keun, Hong, Yeom, Jong-Taek, Reddy, N.S.
Publikováno v:
In Journal of Electrostatics March 2020 104
Autor:
Jae-Deuk Kim, Siva Prasad Murugan, Seong-Woo Choi, Yutaka S. Sato, Jae-Keun Hong, Changwook Ji, Chang-Sub Kwak, Yeong-Do Park
Publikováno v:
Metals, Vol 12, Iss 8, p 1361 (2022)
The mechanical properties of commercially pure titanium can further be improved through the grain refinement processes; however, welding fine-grained materials is challenging due to the grain coarsening in the weld area and hence the weakening of the
Externí odkaz:
https://doaj.org/article/dfc0c780ce44410aaa8335a1cc50bf75
Autor:
P. L. Narayana, Jae H. Kim, A. K. Maurya, Chan Hee Park, Jae-Keun Hong, Jong-Taek Yeom, N. S. Reddy
Publikováno v:
Metals, Vol 10, Iss 2, p 256 (2020)
From the point of view of designing materials, it is important to study the complex correlational research that involves measuring several variables and assessing the relation among them. Hence, the notion of machine-oriented data modeling is explore
Externí odkaz:
https://doaj.org/article/62392743d9b2406b86206ff5e595af55
Autor:
Hyeon Jin Lee, P.L. Narayana, Jae Hyuk Kim, Chan Hee Park, Jae-Keun Hong, Jong-Taek Yeom, Taekyung Lee, Sang Won Lee
Publikováno v:
Journal of Alloys and Compounds. 953:170202
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d927789a3bed105acb90b5276d1eba40
https://doi.org/10.1016/j.jallcom.2023.170202
https://doi.org/10.1016/j.jallcom.2023.170202
Autor:
Jong-Taek Yeom, In-Su Kim, Sang-Won Lee, Taekyung Lee, Jae-Keun Hong, Jeong Mok Oh, Chan Hee Park
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss, Pp 304-315 (2021)
Ti-6Al-4V alloy has limitations in terms of globularization when using additive manufacturing (AM), which requires a final forging step. To optimize this approach, this study investigated the effect of processing variables on the dynamic/static globu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::781b16364ceddee4c952c462fb0e11b5
https://doi.org/10.1016/j.jmrt.2021.02.088
https://doi.org/10.1016/j.jmrt.2021.02.088
Optimization of process parameters for direct energy deposited Ti-6Al-4V alloy using neural networks
Autor:
Jong-Taek Yeom, P.L. Narayana, Jae Hyeok Kim, Jae Hyun Lee, Sang Won Lee, Seong-Woo Choi, Chan Hee Park, Jae-Keun Hong, N.S. Reddy
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 114:3269-3283
Direct energy deposition (DED) is a highly applicable additive manufacturing (AM) method and, therefore, widely employed in industrial repair-based applications to fabricate defect-free and high degree precision components. To obtain high-quality pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edaa620c3307cb1b945f1d0cc2f00d9b
https://doi.org/10.1007/s00170-021-07115-1
https://doi.org/10.1007/s00170-021-07115-1