Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Jong Woo Won"'
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1416-1425 (2024)
This paper considers the beta/alpha transformation of Ti–6Al–4V alloy using a lattice Boltzmann method (LBM) – cellular automata (CA) coupled method in terms of microstructural evolution during phase transformation. Particularly, the effects of
Externí odkaz:
https://doaj.org/article/da8b227d452a47aea7a38cf1a011e1ea
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2214-2223 (2024)
This work investigated the effect of rolling temperature (25–800 °C) on rolling-texture development and sheet formability of pure Ti. The rolling temperature significantly affected the development of the typical transverse-direction (TD)-split bas
Externí odkaz:
https://doaj.org/article/821755333f44439aaeb0c86663368d37
Autor:
Seong Ho Lee, Min Hwa Bae, Jinyeong Yu, Seho Cheon, Jong Woo Won, Sang-Hoon Kim, Taekyung Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 2249-2256 (2024)
This study investigated the effects of electropulsing treatment (EPT) condition on the microstructure and microhardness of cold-rolled Grade 2 Ti sheet. Particular attention was paid to the dependence of the material properties on the electric curren
Externí odkaz:
https://doaj.org/article/1236101c933948c3ab10d437f813a5e2
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 1669-1676 (2023)
The tensile strain-hardening behavior of pure Ti at 100 K was investigated using X-ray diffraction line-profile analysis and plasticity simulation. The strain hardening was significantly increased at 100 K, compared with that observed at 298 K. Thus,
Externí odkaz:
https://doaj.org/article/a2b5a0ea9c534685aace273ea3fa783d
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 5389-5403 (2023)
In this study, we investigated the anisotropy in tensile deformation behaviour of CP-Ti plate in the rolling (RD) and transverse direction (TD), using in-situ SEM-EBSD testing and stress-relaxation method. The EBSD-assisted slip trace analysis was co
Externí odkaz:
https://doaj.org/article/6d518b111e1142a3b4007d91e2d65dbc
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 5706-5711 (2021)
Electropulsing has various engineering benefits compared with the traditional heating method. This study investigated the effect of electropulsing treatment on the recrystallization behavior of commercially pure titanium (CP–Ti) according to the el
Externí odkaz:
https://doaj.org/article/66c62421212a454ea743620bce822d05
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 3, Pp 2887-2897 (2019)
We investigated the effect of Fe content on the β → α phase transformation behavior of Ti-5Al-xFe (x = 1, 2.5, 4) alloys during continuous cooling. The presence of Fe delayed long-range diffusional phase transformation, thus facilitating diffusio
Externí odkaz:
https://doaj.org/article/5ecd5a38b9f04b0d8f0c945eed5f6930
Publikováno v:
Metals, Vol 8, Iss 11, p 875 (2018)
We investigated the TiFe precipitation behavior of solution heat-treated Ti-5Al-3.5Fe during isothermal aging, quantified the effect of precipitation on strengthening by evaluating the hardness, and compared it to the effect of Ti3Al precipitation in
Externí odkaz:
https://doaj.org/article/d4bd29492611417aa7568daeeda40ccf
Publikováno v:
Entropy, Vol 20, Iss 5, p 355 (2018)
In this study, new high-entropy alloys (HEAs), which contain lightweight elements, namely Al and Ti, have been designed for intermediate temperature applications. Cr, Mo, and V were selected as the elements for the Al-Ti-containing HEAs by elemental
Externí odkaz:
https://doaj.org/article/56e67c258f454ff4a1f8ffdced431396
Publikováno v:
Metals, Vol 8, Iss 1, p 54 (2018)
A compositional approach to designing alloys that have an enlarged equiaxed zone is suggested in this study. The partitioning of elements during the solidification of CoCrFeMnNi high-entropy alloy (HEA) was confirmed through a directional solidificat
Externí odkaz:
https://doaj.org/article/0b9e1248e0d84246a19f139cc11bb10b