Search Results - "Cho, Jung‐Wook"
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Heat transfer control by dispersed metallic particles in glassy mold flux film for continuous steel casting
Published in Journal of the American Ceramic Society (01-09-2020)“…To assess the effect of metallic particles (MPs) on heat transfer in glassy mold flux, a structurally stable glassy mold flux system composed of CaO–Al2O3–CaF2…”
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Effect of Zr addition on metastable Liquid-Liquid Phase Separation of Cu-Fe alloys
Published in Scripta materialia (01-12-2021)“…The liquid-liquid phase separation (LLPS) behavior was investigated in Cu-Fe alloys that consisted of 60 wt % or 80 wt % Cu and balance iron, without or with…”
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Structure and crystallization behavior of complex mold flux glasses in the system CaO‐Na2O‐Li2O‐CaF2‐B2O3‐SiO2: A multi‐nuclear NMR spectroscopic study
Published in Journal of the American Ceramic Society (01-10-2022)“…The structure of mold flux glasses in the system CaO‐(Na,Li)2O‐SiO2‐CaF2 with unusually high modifier contents, stabilized by the addition of ∼4 mol% B2O3, is…”
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Effect of Li2O on Non-Isothermal Crystallization of Cuspidine in CaO–SiO2–CaF2 Glasses
Published in Metallurgical and materials transactions. B, Process metallurgy and materials processing science (01-08-2021)“…This paper presents the effects of Li 2 O addition on the non-isothermal melt crystallization of Cuspidine in CaO–SiO 2 –CaF 2 glass. The addition of Li 2 O…”
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Interface characteristics and mechanical behavior of additively manufactured multi-material of stainless steel and Inconel
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (07-07-2022)“…Recently, direct energy deposition (DED) has been attracting considerable attention in metal additive manufacturing due to its capability of producing…”
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In-situ synthesis of nitrides and oxides through controlling reactive gas atmosphere during laser-powder bed fusion of Fe-12Cr-6Al
Published in Materials & design (01-04-2024)“…[Display omitted] •In situ synthesis of nano-sized AlN and Al2O3 precipitates within the Fe-12Cr-6Al matrix was achieved when nitrogen was used for a process…”
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Shear Thinning Behavior of Calcium Silicate-Based Mold Fluxes at 1623 K
Published in Journal of the American Ceramic Society (01-10-2014)“…There have been consistent efforts on understanding rheological behavior of molten mold flux, used in continuous casting of steels. It is prevalent view that…”
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Assessment of CaO–Al2O3 Based Mold Flux System for High Aluminum TRIP Casting
Published in ISIJ International (2013)“…Today, the demands for Advanced High Strength Steels (AHSS) have gradually increased due to their ability to reduce vehicle weight as a means to save energy,…”
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Thermal history driven molecular structure transitions in alumino‐borosilicate glass
Published in Journal of the American Ceramic Society (01-08-2018)“…The glass network structure governs various thermos‐physical properties such as viscosity, thermal, and electrical conductivities, and crystallization…”
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Surface modification of high-Mn steel via laser-DED: Microstructural characterization and hot crack susceptibility of clad layer
Published in Materials & design (01-11-2022)“…[Display omitted] •A new solution is proposed for mass-producing an ultra-thin multilayer clad steel sheet.•Functionally graded multilayers from TWIP to HSLA…”
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Effect of SiO2 on the Crystallization Behaviors and In-Mold Performance of CaF2-CaO-Al2O3 Slags for Drawing-Ingot-Type Electroslag Remelting
Published in Metallurgical and materials transactions. B, Process metallurgy and materials processing science (01-10-2015)“…The crystallization characteristics of CaF 2 -CaO-Al 2 O 3 slags with varying amounts of SiO 2 were experimentally studied. The effects of slag crystallization…”
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Effect of Zr Addition on Microstructure and Mechanical Properties of a Cast Cu60Fe40 Alloy
Published in Metals and materials international (01-06-2023)“…Cu–Fe alloys have drawn extensive attraction due to excellent multi-functional properties, including electrical, magnetic, and mechanical properties. However,…”
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Effect of cerium on the primary carbides and inclusions in electroslag remelted M35 high speed steel
Published in Journal of materials research and technology (01-05-2023)“…To restrain the formation of primary carbides in M35 high speed steel, the present work investigated the effect of cerium on the microstructure, primary…”
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Effects of Li2O on structure of CaO-SiO2-CaF2-Na2O glasses and origin of crystallization delay
Published in Journal of molecular liquids (01-02-2022)“…•Role of Li2O on melt crystallization of CaO-SiO2-CaF2-Na2O glasses has been elucidated.•NMR characterization and molecular dynamics simulation were…”
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Influence of Silicon Carbide on Shear-Thinning Behavior of CaO-SiO2-CaF2-Based Mold Fluxes
Published in Metallurgical and materials transactions. B, Process metallurgy and materials processing science (01-08-2021)“…To control the shear property of a calcium silicate mold flux, we incorporated carbon (C) into it in the form of SiC. We measured the flux’s viscosity using a…”
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Crystallization Behaviors of CaO-SiO2-Al2O3-Na2O-CaF2-(Li2O-B2O3) Mold Fluxes
Published in Metallurgical and materials transactions. B, Process metallurgy and materials processing science (01-10-2014)“…The effects of basicity (CaO/SiO 2 ), B 2 O 3 , and Li 2 O addition on the crystallization behaviors of lime-silica-based mold fluxes have been investigated by…”
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Improvement of Castability and Surface Quality of Continuously Cast TWIP Slabs by Molten Mold Flux Feeding Technology
Published in Metallurgical and materials transactions. B, Process metallurgy and materials processing science (01-02-2017)“…An innovative continuous casting process named POCAST (POSCO’s advanced CASting Technology) was developed based on molten mold flux feeding technology to…”
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A Reaction Between High Mn-High Al Steel and CaO-SiO2-Type Molten Mold Flux: Part I. Composition Evolution in Molten Mold Flux
Published in Metallurgical and materials transactions. B, Process metallurgy and materials processing science (01-04-2013)“…In order to elucidate the reaction mechanism between high Mn-high Al steel such as twin-induced plasticity steel and molten mold flux composed mainly of…”
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Non-isothermal melt crystallization of cuspidine in CaO–SiO2–CaF2 based glasses
Published in Journal of non-crystalline solids (15-03-2015)“…Non-isothermal crystallization kinetics of cuspidine (Ca4Si2O7F2) in CaO–SiO2–CaF2 based glass system has been investigated using a DSC to understand and…”
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Controlling the shear thinning property of calcium silicate melts by addition of Si3N4
Published in Journal of non-crystalline solids (01-09-2015)“…Calcium silicate melts at high temperature are valuable as a lubricant for continuous casting of steel. They are limited by the contradictory situation in that…”
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