Search Results - "BYON, S.M."

Processing map approach for surface defect prediction in the hot bar rolling by Kim, H.Y., Kwon, H.C., Lee, H.W., Im, Y.T., Byon, S.M., Park, H.D.

“…Since the surface defect frequently encountered in the hot bar rolling of steel can easily lead to a fatal manufacturing defect during the secondary cold…”
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Study on constitutive relation of AISI 4140 steel subject to large strain at elevated temperatures by Kim, S.I., Lee, Y., Byon, S.M.

“…We conducted hot torsion and compression tests of AISI 4140 steel (medium carbon and low alloy steel) to investigate the effect of deformation mode on…”
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Plastic work approach for surface defect prediction in the hot bar rolling process by Awais, Muhammad, Lee, H.W., Im, Y.T., Kwon, H.C., Byon, S.M., Park, H.D.

“…In this study, a numerical technique was developed to study the effect of processing parameters on instability of the steel during five passes hot bar rolling…”
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Deformation Analysis of Micro-Sized Material Using Strain Gradient Plasticity by Byon S.M, Lee Young-Seog

“…To reflect the size effect of material $(1\sim15{\mu}m)$ during plastic deformation of polycrystalline copper, a constitutive equation which includes the…”
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Effect of roll gap adjustment on exit cross sectional shape in groove rolling—Experimental and FE analysis by Byon, S.M., Na, D.H., Lee, Y.

“…We machined work roll with groove worn down as well as groove with no wear. We then performed a pilot hot rod rolling test at temperature of 1000 °C using…”
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A numerical approach to determine flow stress–strain curve of strip and friction coefficient in actual cold rolling mill by Byon, S.M., Kim, S.I., Lee, Y.

“…An inverse scheme-based approach for the prediction of flow stress–strain curve and friction coefficient using actual mill data is presented. The equations for…”
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Calculation of strain gradient in flow formulation using strain surface function and its applications to micro rolling by Byon, S.M., Lee, Y.

“…Using flow formulation-based finite element analysis, we compute the strain components of material of copper during micro rolling that material size in…”
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A semi-analytical model for predicting the wear contour in rod rolling process by Byon, S.M., Kim, S.I., Lee, Y.

“…We developed a model which predicts wear contour of grooved roll in the oval–round (or round–oval) pass rolling process. The wear contour is computed by using…”
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Investigation of the size effect on crack propagation using finite element method and strain gradient plasticity by Byon, S.M., Kim, H.S., Lee, Y.

“…In this work, we have employed the strain gradient plasticity theory into the continuum mechanics to investigate the size effect of material on the crack…”
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Design of sizing press anvil for decrease of defect in hot strip by Ko, D.C., Lee, S.H., Kim, D.H., Byon, S.M., Park, H.D., Kim, B.M.

“…Generally, the vertical roll process is used to achieve extensive width reduction in hot strip mill. However, it is difficult to avoid the defects such as…”
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Effect of coating material and lubricant on forming force and surface defects in wire drawing process by BYON, S.M., LEE, S.J., LEE, D.W., LEE, Y.H., LEE, Y.

“…A pilot wire drawing machine as well as wire end-pointing roller was developed. Using these machines, a wire drawing test for four different coating materials…”
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Die shape optimal design in cold and hot extrusion by Byon, S.M., Hwang, S.M.

“…A process optimal design methodology applicable to cold and hot forming is presented, on the basis of an integrated thermo-mechanical finite element process…”
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FEM-based process optimal design in steady-state metal forming considering strain-hardening by Byon, S.M, Hwang, S.M

“…A process optimal design methodology applicable to steady-state forming with a strain-hardening material is presented. In this approach, the optimal design…”
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Constitutive Equation for AISI4140 Steel Applicable to a Wide Range of Strain Rates at Elevated Temperatures by Kim, S.I., Byon, S.M., Seo, S. W., Min, O., Lee, Y.

“…This paper presents a method to determine a constitutive equation of AISI4140 steel when it deforms at a wide range of strain rates (0.05~1900s−1) under high…”
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