Search Results - "Kyun Kwon, Se"

Thermal expansion in FeCrCoNiGa high-entropy alloy from theory and experiment by Huang, Shuo, Vida, Ádám, Li, Wei, Molnár, Dávid, Kyun Kwon, Se, Holmström, Erik, Varga, Béla, Károly Varga, Lajos, Vitos, Levente

“…First-principle alloy theory and key experimental techniques are applied to determine the thermal expansion of FeCrCoNiGa high-entropy alloy. The magnetic…”
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Twinning in metastable high-entropy alloys by Huang, Shuo, Huang, He, Li, Wei, Kim, Dongyoo, Lu, Song, Li, Xiaoqing, Holmström, Erik, Kwon, Se Kyun, Vitos, Levente

“…Twinning is a fundamental mechanism behind the simultaneous increase of strength and ductility in medium- and high-entropy alloys, but its operation is not yet…”
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Theory for plasticity of face-centered cubic metals by Jo, Minho, Mo Koo, Yang, Lee, Byeong-Joo, Johansson, Börje, Vitos, Levente, Se Kyun Kwon

“…The activation of plastic deformation mechanisms determines the mechanical behavior of crystalline materials. However, the complexity of plastic deformation…”
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Thermal surface free energy and stress of iron by Schönecker, Stephan, Li, Xiaoqing, Johansson, Börje, Kwon, Se Kyun, Vitos, Levente

“…Absolute values of surface energy and surface stress of solids are hardly accessible by experiment. Here, we investigate the temperature dependence of both…”
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Predicting the stacking fault energy of austenitic Fe-Mn-Al (Si) alloys by Choi, Young Won, Dong, Zhihua, Li, Wei, Schönecker, Stephan, Kim, Hansoo, Kwon, Se Kyun, Vitos, Levente

“…Aluminum and silicon are common alloying elements for tuning the stacking fault energy (SFE) of high Mn steels. Today the theoretical investigations on the…”
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Density Functional Theory Description of Paramagnetic Hexagonal Close-Packed Iron by Choi, Youngwon, Dong, Zhihua, Li, Wei, Lizárraga, Raquel, Kwon, Se-Kyun, Vitos, Levente

“…The hexagonal close-packed (hcp) phase of iron is unstable under ambient conditions. The limited amount of existing experimental data for this system has been…”
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Mechanism for selective growth in electrical steel by Oh, Eun Jee, Heo, Nam Hoe, Kwon, Se Kyun, Koo, Yang Mo

“…Through the competitive selective growth process between {100}, {110}, and {111} grains during final annealing which is governed by the primary grain size and…”
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Plastic deformation transition in FeCrCoNiAlx high-entropy alloys by Huang, Shuo, Li, Wei, Holmström, Erik, Kwon, Se Kyun, Eriksson, Olle, Vitos, Levente

“…The competition between plastic deformation mechanisms in FeCrCoNiAlx high-entropy alloys is explored as a function of temperature by first-principle theory…”
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Plastic deformation modes in paramagnetic γ-Fe from longitudinal spin fluctuation theory by Dong, Zhihua, Schönecker, Stephan, Li, Wei, Kwon, Se Kyun, Vitos, Levente

“…Using an efficient first-principles computational scheme, we calculate the intrinsic stacking fault energy (γisf) and the unstable stacking fault energy (γusf)…”
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Experimental study of the γ-surface of austenitic stainless steels by Molnár, Dávid, Engberg, Göran, Li, Wei, Lu, Song, Hedström, Peter, Kwon, Se Kyun, Vitos, Levente

“…We introduce a theory-guided experimental approach to study the γ-surface of austenitic stainless steels. The γ-surface includes a series of intrinsic energy…”
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Plastic deformation modes in paramagnetic ?-Fe from longitudinal spin fluctuation theory by Dong, Zhihua, Schönecker, Stephan, Li, Wei, Kwon, Se Kyun, Vitos, Levente

“…Using an efficient first-principles computational scheme, we calculate the intrinsic stacking fault energy (γisf) and the unstable stacking fault energy (γusf)…”
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First-principles prediction of the deformation modes in austenitic Fe-Cr-Ni alloys by Li, Wei, Lu, Song, Kim, Dongyoo, Kokko, Kalevi, Hertzman, Staffan, Kwon, Se Kyun, Vitos, Levente

“…First-principles alloy theory is used to establish the γ-surface of Fe-Cr-Ni alloys as function of chemical composition and temperature. The theoretical…”
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Generalized stacking fault energy of γ-Fe by Li, Wei, Lu, Song, Hu, Qing-Miao, Johansson, Börje, Kwon, Se Kyun, Grehk, Mikael, Johnsson, Jan Y., Vitos, Levente

“…We investigate the generalized stacking fault energy ( -surface) of paramagnetic -Fe as a function of temperature. At static condition, the face-centred cubic…”
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Stacking fault energy of C-alloyed steels: The effect of magnetism by Lu, Song, Li, Ruihuan, Kádas, Krisztina, Zhang, Hualei, Tian, Yanzhong, Kwon, Se Kyun, Kokko, Kalevi, Hu, Qing-Miao, Hertzman, Staffan, Vitos, Levente

“…First-principles calculations have been performed to study the effect of C on the stacking fault energy (SFE) of paramagnetic γ-Fe and FeCrNi austenitic steel…”
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The behaviour of stacking fault energy upon interstitial alloying by Lee, Jee-Yong, Koo, Yang Mo, Lu, Song, Vitos, Levente, Kwon, Se Kyun

“…Stacking fault energy is one of key parameters for understanding the mechanical properties of face-centered cubic materials. It is well known that the plastic…”
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Determination of the deformation mechanism of Fe-Mn alloys by Jo, Minho, Koo, Yang Mo, Kwon, Se Kyun

“…The energy parameters of planar defects are decisive for understanding the deformation mechanisms of metals. The stacking fault energy has been regarded as a…”
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Ordered Phases in Fe-Si Alloys: A First-Principles Study by Choi, Young Won, Koo, Yang Mo, Kwon, Se Kyun, Vitos, Levente

“…It is known that the formation of ordered phases causes the brittleness of electrical steels. We employed first-principles method in order to examine the…”
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Surface properties of 3d transition metals by Punkkinen, M.P.J., Hu, Q.-M., Kwon, S.K., Johansson, B., Kollár, J., Vitos, L.

“…Using the projector augmented wave method within density functional theory, we present a systematic study of the layer relaxation, surface energy and surface…”
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Ab initio prediction of the mechanical properties of alloys: The case of Ni/Mn-doped ferromagnetic Fe by Wang, Guisheng, Schönecker, Stephan, Hertzman, Staffan, Hu, Qing-Miao, Johansson, Börje, Kwon, Se Kyun, Vitos, Levente

“…First-principles alloy theory, formulated within the exact muffin-tin orbital method in combination with introduction the coherent-potential approximation, is…”
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Plastic deformation transition in FeCrCoNiAl x high-entropy alloys by Huang, Shuo, Li, Wei, Holmström, Erik, Kwon, Se Kyun, Eriksson, Olle, Vitos, Levente

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