Search Results - "Kim, YoungJig"

Microstructural Refinement of As-Cast Al–Mg Alloy by Ultrasonic Melt Treatment Using a Titanium Sonotrode under Fully Liquid Condition by Kim, Sunki, Shin, Jesik, Cho, Hoon, Kim, Youngjig, Yi, Sung

“…The effects of ultrasonic treatment (UST) using a titanium (Ti) sonotrode in a fully liquid stage on the grain refinement and mechanical properties of as-cast…”
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Heat Dissipation of Open-Cell-Type Aluminum Foams Manufactured by Replication-Casting Process by Kim, Jongmin, Ha, Taekyu, Lee, Youngki, Kang, Byungil, Kim, Youngjig

“…Open-cell-type aluminum foam demonstrates excellent heat dissipation owing to interconnected pores. In this study, open-cell-type aluminum foams with various…”
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Mechanical Properties and Deformation Behavior of Open-Cell Type Aluminum Foams with Structural Conditions and Alloy Composition by Kim, Jongmin, Ha, Taekyu, Lee, Youngki, Kang, Byungil, Kim, Youngjig

“…Open-cell type aluminum foams with various structural conditions and alloy compositions were manufactured using the replication casting process. The porosity…”
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Microstructural Analysis on Grain Boundary of Boron– and Zirconium–Containing Wrought Nickel-Based Superalloys by Kang, Byungil, Lee, Youngki, Kim, Jongmin, Ha, Taekyu, Kim, Youngjig

“…Trace elements such as boron (B) and zirconium (Zr) can increase creep resistance in nickel-based superalloys. This study investigates the change of…”
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Dependence of tensile ductility on damage evolution of eutectic Si-particles and pre-existing micro-voids in Al-Si casting alloy by Lee, Choongdo, Shin, Kwangseon, Kim, Youngjig

“…•Modified constitutive model considers the geometric array and size of micro-voids and damaged Si particles.•High prediction accuracy is verified by comparison…”
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Effect of strain rate on the defect susceptibility of tensile properties to porosity variation by Lee, Choongdo, Youn, Jeongil, Kim, Youngjig

“…The contribution of the strain rate to the dependence of tensile properties on the microporosity variation in A356 casting alloy was investigated in terms of…”
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Microstructural Refinement of As-Cast Al–Mg Alloy by Ultrasonic Melt Treatment Using a Titanium Sonotrode under Fully Liquid Condition by Kim, Sunki, Shin, Jesik, Cho, Hoon, Kim, Youngjig, Yi, Sung

“…The effects of ultrasonic treatment (UST) using a titanium (Ti) sonotrode in a fully liquid stage on the grain refinement and mechanical properties of as-cast…”
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Rotation-cylinder method for fabrication of SiC particle reinforced magnesium composites by Kim, Shaekwang, Kim, Youngjig

“…A new molten metal mixing process, RCM (Rotation-Cylinder Method) for incorporating reinforcement particles into molten magnesium, has been developed for…”
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Effect of Microporosity and Precipitation Phases on the Quality Index of AZ Series Magnesium Alloy Castings with Varying Grain Sizes by Lee, Choongdo, Lee, Youngki, Ha, Taekyu, Kim, Youngjig

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Effect of eutectic Si particles on the defect susceptibility of tensile properties to microporosity variation in Al-xSi binary alloys by Lee, Choongdo, Youn, Jeongil, Lee, Youngki, Kim, Youngjig

“…The variability in the defect susceptibility of tensile properties to microporosity variation in as-cast Al-xSi binary alloys was investigated in terms of the…”
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Evaluation of Thermal Stability of Mold Materials for Magnesium Investment Casting by Kim, Shaekwang, Hong, Taewhan, Kim, Youngjig

“…The relative thermal stability of mold materials against AZ91D magnesium alloy melt was evaluated. Special attention has been paid to obtain the applicable…”
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Microstructure of Partially Remelted Thixoformable Mg-Ni Alloys by Kim, Shaekwang, Ha, Won, Kim, Youngjig

“…The aim of this paper is to develop a thixoformable model alloy, Mg–Ni alloy of binary eutectic system with no range of solid solubility and to report the…”
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Investment casting of AZ91HP magnesium alloy by Kim, Shaekwang, Kim, Myounggyun, Hong, Taewhan, Kim, Heekook, Kim, Youngjig

“…This paper describes AZ91HP magnesium alloy investment casting. The aim of this study is to optimize the process for magnesium investment casting. Special…”
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Defect Susceptibility of Tensile Properties to Microporosity Variation in As-Cast Al–xSi Alloys by Lee, Choongdo, Youn, Jeongil, Lee, Youngki, Kim, Youngjig

“…The defect susceptibility of tensile properties to microporosity variation in as-cast Al– x Si ( x  = 2, 5, 8, 11) binary alloys was investigated in relation…”
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Quality Index of Tensile Properties on Microporosity Variation in A5052 Aluminium Alloy by Kim, SunKi, Lee, ChoongDo, Choe, KyeongHwan, Cho, Hoon, Kim, YoungJig

“…The present study aims to estimate the variability in the tensile properties of the A5052 aluminium alloy processed through ultra-high-density sonication. An…”
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