Search Results - "Heo, Yoon"

Elucidating intrinsic contribution of d-orbital states to oxygen evolution electrocatalysis in oxides by Yun, Tae Gyu, Heo, Yoon, Bin Bae, Hyung, Chung, Sung-Yoon

“…Although numerous studies on oxide catalysts for an efficient oxygen evolution reaction have been carried out to compare their catalytic performance and…”
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Everlasting Living and Breathing Gyroid 3D Network in Si@SiOx/C Nanoarchitecture for Lithium Ion Battery by Lee, Jaewoo, Moon, Janghyuk, Han, Sang A, Kim, Junyoung, Malgras, Victor, Heo, Yoon-Uk, Kim, Hansu, Lee, Sang-Min, Liu, Hua Kun, Dou, Shi Xue, Yamauchi, Yusuke, Park, Min-Sik, Kim, Jung Ho

“…Silicon-based materials are the most promising candidates to surpass the capacity limitation of conventional graphite anode for lithium ion batteries…”
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Mechanically derived short-range order and its impact on the multi-principal-element alloys by Seol, Jae Bok, Ko, Won-Seok, Sohn, Seok Su, Na, Min Young, Chang, Hye Jung, Heo, Yoon-Uk, Kim, Jung Gi, Sung, Hyokyung, Li, Zhiming, Pereloma, Elena, Kim, Hyoung Seop

“…Chemical short-range order in disordered solid solutions often emerges with specific heat treatments. Unlike thermally activated ordering, mechanically derived…”
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Deformation mechanisms and texture evolution in high entropy alloy during cold rolling by Kaushik, Lalit, Kim, Min-Seong, Singh, Jaiveer, Kang, Joo-Hee, Heo, Yoon-Uk, Suh, Jin-Yoo, Choi, Shi-Hoon

“…In the present study, equiatomic CoCrFeMnNi high entropy alloy (HEA) was subjected to thickness reductions of 20, 40, and 60% during cold rolling in order to…”
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Stability of (Ti, M)C (M = Nb, V, Mo and W) carbide in steels using first-principles calculations by Jang, Jae Hoon, Lee, Chang-Hoon, Heo, Yoon-Uk, Suh, Dong-Woo

“…The lattice parameters, formation energies and bulk moduli of (Ti, M)C and M(C, Va) with the B1 crystal structure have been investigated using first-principles…”
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3D Hierarchical Rutile TiO2 and Metal-free Organic Sensitizer Producing Dye-sensitized Solar Cells 8.6% Conversion Efficiency by Lin, Jianjian, Heo, Yoon-Uk, Nattestad, Andrew, Sun, Ziqi, Wang, Lianzhou, Kim, Jung Ho, Dou, Shi Xue

“…Three-dimensional (3D) hierarchical nanoscale architectures comprised of building blocks, with specifically engineered morphologies, are expected to play…”
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Atomic-Level Manipulations in Oxides and Alloys for Electrocatalysis of Oxygen Evolution and Reduction by Bak, Jumi, Heo, Yoon, Yun, Tae Gyu, Chung, Sung-Yoon

“…As chemical reactions and charge-transfer simultaneously occur on the catalyst surface during electrocatalysis, numerous studies have been carried out to…”
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Effect of V/Mo ratio on the evolution of carbide precipitates and hydrogen embrittlement of tempered martensitic steel by Seo, Hyun Joo, Heo, Yoon-Uk, Kim, Jae Nam, Lee, Junmo, Choi, Sangwoo, Lee, Chong Soo

“…[Display omitted] •V/Mo ratio affected hydrogen embrittlement (HE) resistance.•Steel containing V/Mo ratio of 3:1 (3V1Mo) had superior HE resistance to those…”
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Effect of cooling rate on the final microstructure and tensile property in an Fe–Mn–Si–C-based multiphase TRIP steel by Jeong, Chang-Gon, Trang, T.T.T., Woo, Youngyun, Yoon, Eun Yoo, Lee, Youngseon, Heo, Yoon-Uk

“…The effect of cooling rate on the formation of the final microstructure and the tensile property was studied in Fe–Mn–Si–C-based multiphase steel. Three…”
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Evaluation of the stress-strain relationship of constituent phases in AlSi10Mg alloy produced by selective laser melting using crystal plasticity FEM by Kim, Dong-Kyu, Hwang, Ji-Hyun, Kim, Eun-Young, Heo, Yoon-Uk, Woo, Wanchuck, Choi, Shi-Hoon

“…The present study was an evaluation of the stress-strain relationship between Al and Si constituents in AlSi10Mg alloy produced by selective laser melting…”
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High-density nanoprecipitates and phase reversion via maraging enable ultrastrong yet strain-hardenable medium-entropy alloy by Kwon, Hyeonseok, Sathiyamoorthi, Praveen, Gangaraju, Manogna Karthik, Zargaran, Alireza, Wang, Jaemin, Heo, Yoon-Uk, Harjo, Stefanus, Gong, Wu, Lee, Byeong-Joo, Kim, Hyoung Seop

“…Maraging steels, known for ultrahigh strength and good fracture toughness, derive their superior properties from lath martensite structure with high-density…”
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Local-electrostatics-induced oxygen octahedral distortion in perovskite oxides and insight into the structure of Ruddlesden–Popper phases by Hong, Youngjae, Byeon, Pilgyu, Bak, Jumi, Heo, Yoon, Kim, Hye-Sung, Bae, Hyung Bin, Chung, Sung-Yoon

“…As the physical properties of ABX 3 perovskite-based oxides strongly depend on the geometry of oxygen octahedra containing transition-metal cations, precise…”
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Direct observation of the ledge-typed twin boundary in a martensitic steel by Trang, T.T.T., Lee, Dongwon, Heo, Yoon-Uk

“…The structure at the {112} twin boundaries in martensitic steels has been extensively debated recently. On the one hand, it was claimed to be the omega phase,…”
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Periodic spinodal decomposition in double–strengthened medium–entropy alloy by Park, Hyojin, Haftlang, Farahnaz, Heo, Yoon–Uk, Seol, Jae Bok, Wang, Zhijun, Kim, Hyoung Seop

“…Achieving an optimal balance between strength and ductility in advanced engineering materials has long been a challenge for researchers. In the field of…”
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Role of dislocation climb on twin boundary and antiphase boundary formations in inverse-spinel MnAl2O4 by Lee, Dongwon, Trang, T.T.T., Heo, Yoon-Uk

“…The defects, e.g., stacking faults (SFs), antiphase boundaries (APBs), and twin, have been considered the critical components commonly introduced during the…”
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Unprecedented bake hardening responses of interstitial high-entropy alloy by synergistic effect with lattice distortion by Gu, Gang Hee, Kwon, Hyeonseok, Kim, Yongju, Haftlang, Farahnaz, Heo, Yoon-Uk, Kim, Hyoung Seop

“…[Display omitted] •Carbon-added CoCrFeMnNi HEAs show bake hardening responses (BHRs).•The BHRs of carbon-added HEAs have achieved an unprecedented record.•It…”
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Cell boundary engineering of ferrous medium-entropy alloy fabricated by laser powder bed fusion by Park, Jeong Min, Kwon, Hyeonseok, Choe, Jungho, Kim, Kyung Tae, Yu, Ji-Hun, Heo, Yoon-Uk, Kim, Hyoung Seop

“…The concept of cell boundary (CB) engineering was proposed to explore the potential benefits of segregation engineering in obtaining superior mechanical…”
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The role of austenite stability on the change of fracture mode in a dual-phase medium Mn steel having a lamellar microstructure by Trang, T.T.T., Heo, Yoon-Uk

“…Reduction of austenite stability in lamellar-type medium Mn steels consisting of α′-martensite and γ-austenite causes a change in fracture mode from ductile to…”
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Prevalence and Contributing Factors of Anxiety and Depression in Patients with Vestibular Migraine by Kim, Tae Su, Lee, Woo Hyun, Heo, Yoon

“…Objective: Anxiety and depression are psychiatric comorbidities potentially associated with dizziness and migraine, which can influence disease state,…”
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Leveraging a coarse yet strong matrix in L12-strengthened high-entropy alloy through simplified thermomechanical processing by Lee, Jae Heung, Lee, Jungwan, Kwon, Hyeonseok, Park, Hyojin, Kim, Eun Seong, Heo, Yoon-Uk, Kim, Hyoung Seop

“…High-entropy alloys (HEAs), characterized by their unique design concept without a distinct major element, offer a versatile alloy design window while ensuring…”
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