Search Results - "Lee, Choongdo"

Quality Index of Tensile Property on Porosity Variation in A356 Casting Alloys upon T6 Treatment by Lee, ChoongDo

“…The contribution of porosity variation affecting the tensile properties of A356 aluminium alloys was investigated in terms of the variations in the quality…”
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Effect of Gas Bubbling Filtration Treatment on Microporosity Variation in A356 Aluminium Alloy by Lee, Choongdo, So, Taeil, Shin, Kwangseon

“…In the present study, the contribution of the gas bubbling filtration （GBF） process to the microporosity variation, microstructural characteristics and tensile…”
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Dependence of defect susceptibility on microporosity variation in Mg-xLi-3Al-1Zn casting alloys by Lee, Choongdo

“…This study quantitatively describes relative contribution of microstructural characteristics and microporosity variation to the tensile properties of…”
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Effect of microporosity and loading condition on fatigue life of A356 casting alloys by Lee, Choongdo

“…This study quantitatively describes the mutual contributions of microporosity and loading conditions (i.e. strain rate and stress amplitude) on the fatigue…”
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Effect of Ti-B addition on the variation of microporosity and tensile properties of A356 aluminium alloys by Lee, Choongdo

“…The variability in the tensile properties of A356 aluminium alloys due to the addition of a Ti-B alloying element was investigated, including the defect…”
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Effect of strain rate on fatigue property of A356 aluminium casting alloys containing pre-existing micro-voids by Lee, Choongdo

“…•Fatigue strength coefficient and exponent are decreased with increasing strain rate.•Fatigue life is decreased by increasing plastic strain component with…”
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Effect of Ultra-Sonication Treatment on Quality Index of Tensile Properties of A356 Aluminum Alloy by Lee, ChoongDo

“…The aim of the present study is to investigate the dependence of the tensile properties of A356 aluminum alloy with respect to the sonication time and holding…”
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Effects of geometric array and size of internal voids on tensile ductility of AZ31 magnesium alloy sheets by Lee, Choongdo

“…This study aims to investigate the contributions of the geometric array and size distribution of perforated cylindrical voids to the tensile strain of a…”
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A Modification of Plastic Constraint Factor in Constitutive Model Predicting Tensile Properties of Pure Cu Sheet Containing Perforated Cylindrical Voids by Lee, ChoongDo

“…This study investigated the contributions of a geometric array of perforated cylindrical voids and their area fraction to the tensile properties of a pure Cu…”
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Effects of Strain Rate on the Tensile Deformation of Pure Copper Plate for Busbar Application in Electric Vehicles by Lee, ChoongDo

“…This study proposes an empirical relationship between the hardness and tensile strength of a busbar to predict the tensile strength of a bended section in the…”
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Effects of Aging Hardenability and Microporosity Variation on the Quality Index of the Tensile Property of Al-6Si-xMg Casting Alloys by Lee, ChoongDo

“…The relative contribution of aging hardenability to the overall dependence of tensile properties on microporosity variation in Al-6Si casting alloys was…”
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Effect of Stress Ratio on Fatigue Life of A356 Aluminium Casting Alloys by Lee, ChoongDo

“…The present study aimed to investigate the dependence of fatigue properties of A356 casting alloy on the variation of stress ratio ( R -value) in terms of the…”
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The Grain Refinement in Gas Bubbling Flotation Treatment of Aluminum Melt by Lee, ChoongDo

“…This study investigated the degree of grain refinement obtained with the gas bubbling flotation/filtration (GBF) treatment of A356 alloy melts upon using…”
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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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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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Defect Susceptibility of Tensile Properties to Microporosity Variation in High-Pressure Die-Cast Aluminium Alloy Controlled by Gas Bubbling Flotation Treatment by Lee, Choongdo, So, Taeil, Shin, Kwangseon

“…This study aims to investigate the variability in the tensile properties of high-pressure die-cast aluminium alloy controlled by the gas bubbling filtration or…”
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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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