Search Results - "Lee, Young Kook"

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  1. 1

    The effects of the heating rate on the reverse transformation mechanism and the phase stability of reverted austenite in medium Mn steels by Han, Jeongho, Lee, Young-Kook

    Published in Acta materialia (01-04-2014)
    “…Both the mechanism of the reverse transformation from martensite (α′) to austenite (γ) and the stability of reverted γ were systematically investigated as a…”
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  2. 2

    Design of high strength medium-Mn steel using machine learning by Lee, Jin-Young, Kim, Minjeong, Lee, Young-Kook

    “…The objective of present study was to develop a medium-Mn steel with superior tensile properties using machine learning. For this purpose, 1075 datasets on…”
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  3. 3

    The effects of the initial martensite microstructure on the microstructure and tensile properties of intercritically annealed Fe–9Mn–0.05C steel by Han, Jeongho, Lee, Seung-Joon, Jung, Jae-Gil, Lee, Young-Kook

    Published in Acta materialia (01-10-2014)
    “…The effects of the initial microstructure of α′ martensite on the microstructural evolution during intercritical annealing and the tensile properties of…”
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  4. 4

    The effects of prior austenite grain boundaries and microstructural morphology on the impact toughness of intercritically annealed medium Mn steel by Han, Jeongho, da Silva, Alisson Kwiatkowski, Ponge, Dirk, Raabe, Dierk, Lee, Sang-Min, Lee, Young-Kook, Lee, Sang-In, Hwang, Byoungchul

    Published in Acta materialia (01-01-2017)
    “…The effects of prior austenite (γ) grain boundaries and microstructural morphology on the impact toughness of an annealed Fe-7Mn-0.1C-0.5Si medium Mn steel…”
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  5. 5

    Microstructural evolution during plastic deformation of twinning-induced plasticity steels by Lee, Young-Kook

    Published in Scripta materialia (01-06-2012)
    “…The microstructural evolution characteristics, especially mechanical twinning during plastic deformation in twinning-induced plasticity (TWIP) steels, are…”
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  6. 6

    The effects of Si on the mechanical twinning and strain hardening of Fe–18Mn–0.6C twinning-induced plasticity steel by Jeong, Kookhyun, Jin, Jae-Eun, Jung, Yeon-Seung, Kang, Singon, Lee, Young-Kook

    Published in Acta materialia (01-05-2013)
    “…The stacking-fault energy (SFE), dislocation slip, mechanical twinning, strain hardening, and yield and tensile strengths were systemically investigated in…”
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  7. 7

    The mechanism of dynamic strain aging for type A serrations in tensile curves of a medium-Mn steel by Nam, Jae-Hoon, Oh, Seon-Keun, Park, Myeong-heom, Lee, Young-Kook

    Published in Acta materialia (01-03-2021)
    “…The objective of the present study is to clarify the mechanism of dynamic strain aging (DSA) causing serrations in tensile flow curves of…”
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  8. 8

    Effects of Mo concentration on recrystallization texture, deformation mechanism and mechanical properties of Ti–Mo binary alloys by Im, Yong-Deok, Lee, Young-Kook

    Published in Journal of alloys and compounds (25-04-2020)
    “…In the present study, the effects of Mo concentration on the recrystallization texture, deformation mechanism and mechanical properties were investigated using…”
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  9. 9

    The effects of grain size on yielding, strain hardening, and mechanical twinning in Fe–18Mn–0.6C–1.5Al twinning-induced plasticity steel by Kang, Singon, Jung, Jae-Gil, Kang, Mihyun, Woo, Wanchuck, Lee, Young-Kook

    “…The objective of the present study was to investigate the influences of grain refinement on yielding, strain hardening, and mechanical twinning during tensile…”
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  10. 10

    Superplasticity in a lean Fe-Mn-Al steel by Han, Jeongho, Kang, Seok-Hyeon, Lee, Seung-Joon, Kawasaki, Megumi, Lee, Han-Joo, Ponge, Dirk, Raabe, Dierk, Lee, Young-Kook

    Published in Nature communications (29-09-2017)
    “…Superplastic alloys exhibit extremely high ductility (>300%) without cracks when tensile-strained at temperatures above half of their melting point…”
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  11. 11

    Improved mechanical properties of Mg–7.6Al–0.4Zn alloy through aging prior to extrusion by Jung, Jae-Gil, Park, Sung Hyuk, Yu, Hui, Kim, Young Min, Lee, Young-Kook, You, Bong Sun

    Published in Scripta materialia (15-12-2014)
    “…This paper demonstrates that aging prior to extrusion (APE) can greatly enhance the mechanical properties of an extruded Mg–7.6Al–0.4Zn alloy. The fine…”
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  12. 12

    The effect of austenite grain size on deformation mechanism of Fe–17Mn steel by Lee, Jin-Young, Hong, Jin-Sung, Kang, Seok-Hyeon, Lee, Young-Kook

    “…The transition of deformation mechanism from transformation-induced plasticity (TRIP) to twinning-induced plasticity (TWIP) was investigated in a viewpoint of…”
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  13. 13

    Pitting corrosion behavior in advanced high strength steels by Park, Il-Jeong, Lee, Sang-Min, Kang, Minwoo, Lee, Sukjin, Lee, Young-Kook

    Published in Journal of alloys and compounds (15-01-2015)
    “…•The density of inclusions was high in an order of DP, TWIP, and TRIP steels.•TRIP and TWIP steels exhibited complex inclusions as well as single…”
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  14. 14

    The mechanism of dynamic strain aging for type A serrations in tensile flow curves of Fe-18Mn-0.55C (wt.%) twinning-induced plasticity steel by Oh, Seon-Keun, Kilic, Mehmet Emin, Seol, Jae-Bok, Hong, Jin-Sung, Soon, Aloysius, Lee, Young-Kook

    Published in Acta materialia (15-04-2020)
    “…To elucidate the mechanism of dynamic strain aging (DSA) causing serrations in the tensile curves of an fcc austenitic Fe-18Mn-0.55C (wt.%) twinning-induced…”
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  15. 15

    Design for Fe-high Mn alloy with an improved combination of strength and ductility by Lee, Seung-Joon, Han, Jeongho, Lee, Sukjin, Kang, Seok-Hyeon, Lee, Sang-Min, Lee, Young-Kook

    Published in Scientific reports (15-06-2017)
    “…Recently, Fe-Mn twinning-induced plasticity steels with an austenite phase have been the course of great interest due to their excellent combination of tensile…”
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  16. 16

    Anisotropic Mechanical Behavior of Additive Manufactured AISI 316L Steel by Im, Yong-Deok, Kim, Kyung-Hoon, Jung, Kyung-Hwan, Lee, Young-Kook, Song, Kuk-Hyun

    “…We investigated the relationship between the microstructure and mechanical properties of additive manufactured AISI 316L steel regarding the grain aspect ratio…”
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  17. 17

    The effect of Si on hydrogen embrittlement of Fe-18Mn-0.6C-xSi twinning-induced plasticity steels by Lee, Sang-Min, Park, Il-Jeong, Jung, Jae-Gil, Lee, Young-Kook

    Published in Acta materialia (15-01-2016)
    “…The hydrogen embrittlement (HE) of Fe-18Mn-0.6C-xSi (wt.%) twinning-induced plasticity (TWIP) steels was investigated through slow strain rate tensile tests…”
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  18. 18

    Fabrication of bimodal-grained Al-free medium Mn steel by double intercritical annealing and its tensile properties by Han, Jeongho, Kang, Seok-Hyeon, Lee, Seung-Joon, Lee, Young-Kook

    Published in Journal of alloys and compounds (05-10-2016)
    “…The objectives of the present study were to develop the bimodal-grained microstructure in a medium Mn steel without the addition of Al only through a…”
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  19. 19

    Effects of lamellar structure on tensile properties and resistance to hydrogen embrittlement of pearlitic steel by Yu, Sang-Hyun, Lee, Sang-Min, Lee, Sukjin, Nam, Jae-Hoon, Lee, Jae-Seung, Bae, Chul-Min, Lee, Young-Kook

    Published in Acta materialia (15-06-2019)
    “…The hydrogen embrittlement (HE) and H trapping sites of pearlitic steel specimens with various lamellar spacings (λ) were evaluated through slow strain rate…”
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  20. 20

    Micro-axial cracking in unnotched, cold-drawn pearlitic steel wire: Mechanism and beneficial effect on the resistance to hydrogen embrittlement by Yu, Sang-Hyun, Jeong, Hyun-Bin, Lee, Jae-Seung, Lee, Young-Kook

    Published in Acta materialia (15-02-2022)
    “…Effects of cold drawing ratio (CDR) on the microstructure, tensile properties, H absorption and hydrogen embrittlement (HE) of pearlitic steel wire were…”
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