Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Donghyun Bae"'
Publikováno v:
Materials, Vol 17, Iss 18, p 4478 (2024)
This study investigated the effects of aging profiles on the precipitate formation and the corresponding strengthening and deformation behaviors of Al–Mg–Zn alloys. The alloys subjected to natural aging (NA) demonstrated significantly enhanced du
Externí odkaz:
https://doaj.org/article/f92038ed1fb041c787ded6ec5b121c32
Publikováno v:
Materials, Vol 16, Iss 2, p 883 (2023)
The crack propagation behavior of Al containing Mg–Si clusters is investigated using molecular dynamics (MD) simulations to demonstrate the relationship between the natural aging time in Al–Si–Mg alloys and ductility. Experimental results show
Externí odkaz:
https://doaj.org/article/ed9a868f23e64d4e95e301369bb8e0dc
Publikováno v:
Materials, Vol 15, Iss 19, p 6552 (2022)
The influence of cluster composition and the addition of vacancies on the decomposition behavior of clusters during artificial aging in Al–Si–Mg alloys were analyzed according to the kinetic Montel Carlo model. Clusters with a balanced compositio
Externí odkaz:
https://doaj.org/article/3bc5ef98a44f4d8ab94138af22766e9d
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 64, Iss No 2, Pp 475-479 (2019)
An understanding of the fundamental correlation between grain size and material damping is crucial for the successful development of structural components offering high strength and good mechanical energy absorption. With this regard, we fabricated a
Externí odkaz:
https://doaj.org/article/4b900a705a284dd0944d38f65e2cd070
Autor:
Jun Yeon Hwang, Jonggyu Jeon, Jae Hun Kim, Seungjin Nam, Moon J. Kim, Hyunjoo Choi, Jihye Park, Donghyun Bae
Publikováno v:
Journal of Materials Research. 34:720-731
Nanocrystalline (NC) and ultrafine-grained (UFG) CoCrCuFeNi high-entropy alloy (HEA) with grain size ranging between 59 and 386 nm was produced via powder metallurgy and heat treatment. The as-sintered HEA exhibited two face-centered cubic (FCC) phas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eedb7c40dc845cf793a6af3f6e9cbf48
https://doi.org/10.1557/jmr.2018.477
https://doi.org/10.1557/jmr.2018.477
Publikováno v:
Materials Science and Engineering: A. 744:21-27
For a non-heat-treatable Al-5Mg alloy sheet, Zn was selected as an additive for precipitate hardening in the alloys. As the Zn content increases to 5 wt%, for recrystallized sheets, a high elongation to failure, along with the high tensile strength,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3645ceb2f868fc28ff8449f76d630a4f
https://doi.org/10.1016/j.msea.2018.11.145
https://doi.org/10.1016/j.msea.2018.11.145
Publikováno v:
IEEE Access, Vol 12, Pp 60620-60627 (2024)
This paper introduces a class-B/C nested-gm voltage-controlled oscillator (VCO) with coupled tail filtering in the 28 GHz band. The addition of only two cross-coupled NMOSs duplicates the gm to boost the transconductance. This topology exhibits the c
Externí odkaz:
https://doaj.org/article/8de09d99fb5d4198af924bb0f57a962c
Publikováno v:
Journal of Composite Materials. 52:3015-3025
The present study employed a combination of solution-based synthesis and mechanical milling to develop reduced graphene oxide/aluminum composites, in order to achieve uniform dispersion of reduced graphene oxide and strong interfaces between reduced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42129e0b68c5dc33fd137cc65277ad0e
https://doi.org/10.1177/0021998318760152
https://doi.org/10.1177/0021998318760152
Fatigue behavior of Al2024 alloy-matrix nanocomposites reinforced with multi-walled carbon nanotubes
Autor:
S.E. Shin, Donghyun Bae
Publikováno v:
Composites Part B: Engineering. 134:61-68
Fatigue behavior of aluminum alloy 2024 (Al2024) matrix composites reinforced with multi-walled carbon nanotubes (MWCNTs) is investigated under the tension–compression fatigue test condition. Tensile and fatigue strength of the Al2024/MWCNT composi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4424ab1db0aeaceac5585e63e0a0c43
https://doi.org/10.1016/j.compositesb.2017.09.034
https://doi.org/10.1016/j.compositesb.2017.09.034
Publikováno v:
Advanced Materials Technologies. 6:2170061
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b322de55fc26305f64d175c920c801e
https://doi.org/10.1002/admt.202170061
https://doi.org/10.1002/admt.202170061