연차별 연구실적

2025년

[108] Yong-Hoon Roh, Dongyun Lee, Seok-Eui Lee, Seong-Gi Kim and Youngseog Lee, Development and Validation of a Large Strain Flow Curve Model for High-Silicon Steel to Predict Roll Forces in Cold Rolling, Machines, Vol. 243 (2025). pp. 1-16

2024년

[107] D. Lee, Y.H. Roh, and Youngseog Lee, Experimental study on the surface defects of materials in bar rolling with a processing map applicable to billet-to-oval groove rolling. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. (2024)

[106] Y. H. Roh, B. J. Kang, G. T. Kim, D. H. Na, S. Choi, N. Lim, and Youngseog Lee, Study on the machinability of high-silicon high-carbon graphite-based free-cutting steel in contour turning. Int. J. Materials and Product Technology, Vol. 67, No. 3-4, (2024), pp. 416-434

2023년

[105] C.H Moon and Youngseog Lee, Analytical model to predict the free surface profile of outgoing material in oval-to-round pass rolling when cross-section of incoming material is not circular and roll gap changes, ISIJ International, Vol. 63, No.1 (2023), pp. 111-119

2022년

[104] I.J. Kim, C.M. Kim, J.H. Baek, Y.P. Kim, Youngseog Lee, Y.C. Jang, Structural Integrity Assessment of Defected Gas Pipelines Using a Simplified Ductile Damage Model, J. Pressure Vessel Technology, vol. 144 (2022) pp.

[103] Y.H. Roh, S.M. Byon and Youngseog Lee, Numerical analysis of edge cracking in high-silicon steel during cold rolling with 3D fracture Locus. Applied Sciences. 11(18) (2021) pp. 8408

2021년

[102] Y.H Roh, D.H Cho, H Choi, Z. Yang and Youngseog Lee. "Process Condition Diagram Predicting Onset of Microdefects and Fracture in Cold Bar Drawing." Metals 11.3 (2021): 479.

[101] S.M. Byon, Y.H. Roh and Youngseog Lee, A Study on the Range of the Radius of Curvature of Work Roll Surface Profile Suppressing the Edge Cracking of Silicon Steel in the Cold Rolling Process” Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 235(1-2) (2021) 112-124

2020년

[100] W. Ha, J. Ha, Y. Roh and Youngseog Lee, Improvement of Radiant Heat Eciency of the Radiant Tube Used for Continuous Annealing Line by Application of Additive Manufacturing Technology, Applied Sciences, 10 (8132) (2020) 1-17

[99] Z. Yang, Youngseog Lee, S. He, W. Jia and J. Zhao, Analysis of the Influence of High Peening Coverage on Almen Intensity and Residual Compressive Stress, Applied Sciences, 10(105) (2020) 1-16

2019년

[98] D.H. Cho and Youngseog Lee, Development of a Machine Learning Based Fast Running Model to Determine Rapidly the Process Conditions in Drawing Process, Int. J. Automotive Technology, 20 (2019) 9-17

[97] D.H. Cho, Y.C. Jang and Youngseog Lee, Evaluation of the Prediction Ability of Ductile Fracture Criteria Over a Wide Range of Drawing Conditions, J. Mechanical Science and Technology, 33 (9) (2019) 4245~4254

[96] Y.C. Jang and Youngseog Lee, A Method to Construct the Fracture Locus in the Range of High Stress Triaxiality When Only A Round Tensile Specimen Is Available, J. Mechanical Science and Technology, 33(3) (2019) pp. 1195-1201

2018년

[95] B.S. Jang, S.H. Lee, Youngseog Lee, Blast Load Model Generating Multiple Impulse Curves for Different Scaled Distances and its Applications to Steel Plate Under Explosion, Combustion, Explosion, and Shock Waves (Russian: Fizika Goreniya i Vzryva), 54(6) (2018) pp. 737-746

[94] S.M. Byon, H.J. Lee and Youngseog Lee, FE-based Inverse Approach to Estimate the Friction Coefficient in Hot Bar Rolling Process, Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol. 232(11) (2018) pp. 1996-2007

[93] J. Yang, S.Y. Ha, B.S. Jang and Youngseog Lee, Effect of welding residual stress redistribution on the Charpy absorbed energy, J. Mechanical science and Technology, Vol 32(9) (2018) pp. 4345-4356

[92] S. Son, Y.H. Lee, D.W. Choi, K.R. Cho, S.M. Shin, Youngseog Lee, S.H. Kang, and Z.H. Lee, Investigation of the Microstructure of Laser-Arc Hybrid Welded Boron Steel, The Journal of The Minerals, Vol. 70 (2018) pp. 1548-1553

2017년

[91] H.S. Oh, Youngseog Lee and H.Y. Kwak, Diagnosis of Combined Cycle Power Plant Based on Thermoeconomic Analysis: A Computer Simulation Study, Entropy, 19 (2017) pp. 643-462

[90] S. M. Byon, S. R. Kim, T.Y. Kim and Youngseog Lee, An approximate model to predict the surface profile of material sections in a 3-roll process, J. Mechanical science and Technology, 31 (7) (2017) pp. 3489~3497

2016년

[89] J.S. Park, D.H. Na, J. Yang, S.M. Her, S.H. Chung and Youngseog Lee, Application of Neural Networks to Minimize Front End Bending of Material in Plate Rolling Process, Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol. 230, No. 4 (2016) pp. 629-642

[88] J. Yang, H. Kang and Youngseog Lee, Experimental Study on Variations in Charpy Impact Energies for SA516 Gr. 70 Steel, Depending on Welding and Specimen Cutting Methods, J. Mechanical science and Technology, Vol.30, No.5 (2016) pp.2019-2028

2015년

2014년

[87] J. Yang, J.S. Park and Youngseog Lee, A strip holding system for finite element simulation of Almen strip testing, J. Mechanical science and Technology, Vol.54, No.7 (2014) pp.2825-2830

[86] S. Choi and Youngseog Lee, An Approach to Predict the Depth of the Decarburized Ferrite Layer of Spring Steel Based on Measured Temperature History of Material during Cooling, ISIJ International, Vol.54, No.7 (2014) pp.1682-1689

[85] D.H. Na, C.H. Moon and Youngseog Lee, Thermal Stress Evolution of the Roll During Rolling and Idling in Hot Strip Rolling Process, J. Thermal Stresses, Vol. 37 (2014) pp. 981-1001

[84] S.M. Byon and Youngseog Lee, An Investigation on the Effect of Design Parameters of Side Guide on Camber in Hot Slab Rolling, Materials and Manufacturing Processes, Vol. 29 (2014) pp. 107-114

[83] J.U. Sung, D.H. Na and Youngseog Lee, A Study on Design Equation of Separating and Oval Roll Grooves in Rebar Manufacturing Process, Materials and Manufacturing Processes Vol. 29 (2014) pp. 100-106

2013년

[82] S.M. Byon and Youngseog Lee, An In-Line Model for Predicting Front End Bending in Hot Plate Rolling and Its Experimental Verification, Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol. 227, No.8, (2013) pp. 1111-1120

[81] D.H. Na and Youngseog Lee, A Study to Predict the Creation of Surface Defects on Material and Suppress Them in Caliber Rolling Process,Int. J. Precision Engineering and Manufacturing, Vol. 14, No.10, (2013) pp. 1727-1734

[80] S.M. Byon, D.H. Na and Youngseog Lee, Flow Stress Equation in the Range of Intermediate Strain Rates and High Temperatures to Predict the Roll Force in a Four-Pass Continuous Rod Rolling, Trans Nonferrous Metal Soc. China, Vol. 23 (2013) pp. 742-748

2012년

[79] C.H. Moon and Youngseog Lee, An Approximate Method for Computing the Temperature Distribution over Material Thickness during Hot Flat Rolling, Int. J. Heat and Mass Transfer, Vol. 55 (2012) pp. 310-315.

[78] S. P. Mahapatra, D. K. Tripathy and Youngseog Lee, Electrical response of microcellular EPDM rubber composites: complex dielectric modulus formalism and current–voltage characteristics, Polymer Bulletin, Vol.68, No. 7 (2012) pp. 1965-1976

[77] C.H. Moon, K.S. Oh, J.D. Lee, S.J. Lee and Youngseog Lee, Effect of the Roll Surface Profile on Centerline Segregation in Soft Reduction Process, ISIJ Int., Vol.52, No.7 (2012) pp.1266-1272

[76] S.I. Kim and Youngseog Lee, Influence of Cooling Rate on Microstructure and Mechanical Properties of Hot-Rolled High Strength Interstitial-Free Steel, Metal and Materials Int., Vol. 18, No.5, (2012) pp. 735-744

2011년

[75] S.I. Kim and Youngseog Lee, Effect of Retained Austenite Phase on Spring back of Cold-Rolled TRIP Steel Sheets, Materials Science and Engineering A, Vol. 530 (2011), pp. 218 - 224

[74] S.M. Byon, J.H. Lee and Youngseog Lee, A Study to Determine a Distinct Value of Front End Bending for a Given Shape Factor in Flat Rolling, Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol. 225, No. 12 (2011), pp. 2303-2308.

[73] D.H. Na, S.H. Cho and Youngseog Lee, Experimental and Numerical Studies for the Forming Groove and Separating Groove Design in Slit Rolling Process, J. Mechanical and Science Technology, Vol. 29, No. 9 (2011), pp. 2439-2446

[72] S.M. Byon and Youngseog Lee, Experimental Study on the Prohibition of Edge Cracking of High-Silicon Steel Strips during Cold Rolling, Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol. 225, No. 10 (2011), pp. 1983-1988.

[71] Y.C. Jang and Youngseog Lee, A Model to Predict the Fracture Distance of Cleavage Fracture as a Function of Temperature, Engineering Fracture Mechanics, Vol. 78 (2011), pp. 2082-2087

[70] S.I. Kim, J.W. Her, Y.C. Jang and Youngseog Lee, Experimental and Finite Element Analysis for Fracture of Coating Layer of Galvannealed Steel Sheet, Trans Nonferrous Metal Society of China, Vol. 21(2011), pp 111-116

2010년

[69] U.K. Yoo, J.B. Lee, J.H. Park, and Youngseog Lee, Analytical model for predicting the surface profile of a work piece in round-to-2-R and square-to-2, J. Mechanical Science and Technology Vol. 49 (2010) No.11, pp. 2289-2295

[68] C.H. Moon and Youngseog Lee, The effect of rolling method changes on productivity in thick plate rolling process, J. Materials Processing Technology, Vol. 210 (2010) pp. 1811-1851

[67] W.B.Lee, K.T.Cho, K.H.Kim, K.I. Moon and Youngseog Lee, The effect of the cementite phase on the surface hardening of carbon steels by shot peening, Materials Science and Engineering A, Vol. 529, (2010) pp. 5852-5857

[66] C.H. Moon and Youngseog Lee, Approach to evaluate the rolling mill capacity in a plate rolling process, Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol.224 (2010) pp. 1831-1840

2009년

[65] S.M. Byon, C.H. Moon and Youngseog Lee, Strain Gradient Plasticity Based Finite Element Analysis of Ultra-fine Wire Drawing Process, J. Mechanical and Science Technology, Vol.23 (2009) pp. 3374-3384

[64] W.B. Lee,G.H. Kim, K.I. Moon and Youngseog Lee, Strengthening Dual Phase Steel Welds by Shot Peening, ISIJ international Vol. 49 (2009) No.12, pp. 1972-1974

[63] C.H. Moon and Youngseog Lee, A Methodology for Draft Schedule Design of Plate Rolling Process with Peening Effect Considered, Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol. 223 (2009) pp. 1085-1223

[62] C.H. Moon and Youngseog Lee, An Approximate Model for Local Strain Variation Over Material Thickness and Its Applications to Thick Plate Rolling Process, ISIJ International, Vol. 49, No. 3 (2009) pp. 402-407

[61] S.M. Byon, D.H. Na and Youngseog Lee, Effect of Roll Gap Adjustment on Exit Cross Sectional Shape in Groove Rolling Experimental and FE Analysis, Journal of Materials Processing Technology, Vol.209 (2009) pp. 4465-4470

2008년

[60] Y.C. Jang, G. B. An, J.S. Park, J.B. Lee, S.I Kim and Youngseog Lee, Temperature Dependent Fracture Model And Its Application To Ultra Heavy Thick Steel Plate Used For Shipbuilding, Int. J. Modern Physics B, Vol. 22, No. 31&32 (2008) pp. 5483-5488

[59] D. H. Na and Youngseog Lee, FE Simulation of Edge Crack Initiation and Propagation of High Silicon-Contained Electrical Steel In Cold Rolling, Int. J. Modern Physics B, Vol. 22, No. 31&32 (2008) pp. 5465-5470

[58] H.C. Lee, Youngseog Lee, S.Y. Lee, S. Choi, D.L. Lee and Y.T. Im, Tool Life Prediction for the Bolt Forming Process Based on High-Cycle Fatigue and Wear, J. Materials and Processing Technology, Vol. 201 (2008) pp. 348-353.

[57] S. M. Byon, U.K. Yoo and Youngseog Lee, A Full Constitutive Relation of Silicon-Steel Sheet with Anisotropy Considered, Int. J. Modern Physics B, Vol. 22, No. 31&32 (2008) pp. 5400-5405

[56] K.S.Kim and Youngseog Lee, "Approximate Model for Predicting Roll Force and Torque in Plate Rolling with Peening Effect Considered", Vol.48 (2008) No.10, pp.1409-1418, ISIJ International

[55] S.M. Byon and Youngseog Lee, "A Study of Roll Gap Adjustment Due to Roll Wear in Groove Rolling - Experiment and Modeling", Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol. 2

[54] S.M. Byon and Youngseog Lee, "Experimental Study for Roll Gap Adjustment due to Roll Wear in Single - Stand Rolling and Multi-Stand Rolling Test", J. Mechanical Science and Technology, Vol. 22 (2008) pp. 937 - 945.

[53] S.M. Byon, S.I. Kim and Youngseog Lee, "A Numerical Approach to Determine Flow Stress-Strain Curve of Strip and Friction Coefficient in Actual Cold Rolling Mill", J. Materials and Processing Technology, Vol. 201 (2008) pp. 106-111.

[52] Y.C. Jang, J.K Hong, J.H. Park, D.W. Kim and Youngseog Lee, "Effects of Notch Position of the Charpy Impact Specimen on the Failure Behavior in Heat Affected Zone", J. Materials and Processing Technology, Vol. 201 (2008) pp. 419-424.

2007년

[51] S.M. Byon, H.S. Kim and Youngseog Lee, "Investigation of the Size effect in the Micro-Deformation by Finite Element Method Considering Strain Gradient Plasticity", J. Materials and Processing Technology, Vol. 191 (2007) pp. 193-197

[50] S.M. Byon, S.I. Kim and Youngseog Lee, "A Semi-Analytical Model for Predicting the Wear Contour in Rod Rolling Process", J. Materials and Processing Technology, Vol. 191 (2007) pp. 306-309

[49] S.M. Byon and Youngseog Lee, "Experimental and Semi-Analytical Study of Wear Contour of Roll Groove and Its Applications to Rod Mill', ISIJ International, Vol.47 (2007) No.7, pp.1006-1015

[48] S.M. Byon and Youngseog Lee, "Calculation of Strain Gradient in Flow Formulation using Strain Surface Function and Its Applications to Micro Rolling", J. Materials and Processing Technology, Vol. 192-193 (2007) pp. 218-224

2006년

[47] S.M. Byon and Youngseog Lee, "Deformation Analysis of Micro-Sized Material using Strain Gradient Plasticity," Vol. 20, May (2006) pp. 621-633, J. Mechanical Science and Technology.

[46] G.I. Park, S.M. Byon, S.W. Seo, O. Min and Youngseog Lee, "Constitutive equation for AISI4140 steel applicable to a wide range of strain rates at elevated temperatures",Vol. 77, June (2006) pp. 347-352, Steel Research International.

[45] S.M. Byon, G.I. Park and Youngseog Lee, "Study on Roll Force and Dynamic Recrystallizationof High Strength Interstitial Free Steels in Hot Rolling", Vol. 220, No. 7 (2006) pp. 1059-1068, Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture.

2005년

[44] Y. C. Yoo, G.I. Park, S.M. Byon and Youngseog Lee, "Prediction of Flow Stress and Microstructural Evolution during Hot Forging of Three Microalloyed Medium Carbon Steels", Materials Science Forum, Vol. 475-479, Jan, (2005) pp. 169-174

[43] G.I. Park, S.H. Choi and Youngseog Lee, "Influence of Phosphorous and Boron on Dynamic Recrystallization and Microstructures of Hot-Rolled Interstitial Free Steel", Materials Science and Engineering A, Vol. 406, Oct. (2005), pp 125-133.

2004년

[42] S.M. Byon, G.I. Park, and Youngseog Lee, "Predictions of Roll Force Under Heavy Reduction Hot Rolling Using a Large Deformation Constitutive Model", Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol. 218, May (2004) pp. 483 - 494.

[41] H. Zahiri, S.M. Byon, G..I. Park, Youngseog Lee and P. D. Hodgson, "Static and Metadynamic Recrystallization of Interstitial Free Steels during Hot Deformation", ISIJ International, Vol. 44, Sep (2004) pp. 1918-1923.

[40] L.S. Bayoumi and Youngseog Lee, "Effect of Interstand Tension on Roll Load, Torque and Workpiece Deformation in Rod Rolling Process", J. Materials and Processing Technology, Vol. 145, Jan. (2004), pp. 7-13.

[39] L.S. Bayoumi and Youngseog Lee, "Analysis of Billet Rolling in a Continuous Mill using Idle Vertical Stands", KSME Journal Int., Vol. 18, No. 5, May (2004), pp. 780-787.

2003년

[38] G.I. Park, S.M. Byon and Youngseog Lee, "Study on Constitutive Relation of AISI 4140 Steel Subject to Large Strain at Elevated Temperatures", J. Materials Processing Technology, Vol 140/1-3, Sep (2003), pp 84-89.

[37] G.I. Park, Youngseog Lee, D.L. Lee and Y.C. Yoo, "Modeling of AGS and Recrystallized Fraction of Microalloyed Medium Carbon Steel during Hot Deformation", Materials Science and Engineering A, Vol. 355/1-2, Aug. (2003), pp 384 - 393.

[36] D.H. Kim, B.M. Kim and Youngseog Lee, Scratch Characteristics for Non-Vinyl Pre-Coated Metal Sheet Using Simple U-bending Process, J. Materials and Processing Technology, Vol 139/1-3, Aug (2003), pp. 414-421.

[35] P. A. Manohar, K.H. Lim, A.D. Rollett and Youngseog Lee, 'Computational Exploration of Microstructural Evolution in a C-Mn Steel and Applications to Rod Mill', ISIJ International, Vol.43 No.9, (2003), pp.1421-1430.

[34] G.I. Park, Youngseog Lee and B.L. Jang, 'Modeling of Recrystallization and AGS of AISI 316 Stainless Steel and Its Application to Hot Bar Rolling', Materials Science and Engineering A, Vol.57/1-2 (2003), pp 235-239.

[33] H.C. Kwon, Youngseog Lee, S.Y. Kim, J.S. Woo and Y.T. Im, "Numerical Prediction of Austenite Grain Size in Round-Oval-Round Bar Rolling", ISIJ International, Vol. 43, No. 5, May (2003), pp. 676-683.

[32] H.C. Kwon, Youngseog Lee and Y.T. Im, 'Experimental and Numerical Prediction of Austenite Grain Size Distribution in Round-Oval Shape Rolling', ISIJ International, Vol.43, No. 12, Dec (2003), pp. 1967-1975.

[31] D.H. Kim, Youngseog Lee, S.J. Yoo, W.Y. Choo and B.M. Kim and "Prediction of Wear Profile of Roll Groove in Rod Rolling Using an Incremental Form of Wear Model", Proceedings of the Institution of Mechanical Engineers Part B; J. Engineering Manufacture, Vol. 217, Jan. (2003) pp.111-126.

[30] J.H. Min, H.C. Kwon, Youngseog Lee, J.S. Woo and Y.T. Im, "Analytical Model for Prediction of Deformed Shape in Three-Roll Rolling Process", J. Materials and Processing Technology, Vol 140/1-3, Sep (2003), pp 471-477.

2002년

[29] Youngseog Lee, B.M. Kim, J.K. Park, S.W. Seo and O. Min, "A Study for the Constitutive Equation of Carbon Steel Subjected to Large Strains, High Temperatures and High Strain Rates", J. Materials and Processing Technology, Vol.130/131, Dec. (2002) pp. 181-188.

[28] S. Choi, Youngseog Lee and P.D. Hodgson, "A Comparative Study of Microstructures and Mechanical Properties obtained by Bar and Plate Rolling", J. Materials and Processing Technology, Vol. 124, No. 3, June (2002) pp. 329-336.

[27] D.H. Kim, B.M. Kim, Youngseog Lee and B.H. Min, "Friction Characteristics for Surface Finish and Direction of Stamping Dies", Proceedings of the Institution of Mechanical Engineers Part B: J. Engineering Manufacture, Vol. 216, April (2002) pp. 531-542.

[26] S. Choi and Youngseog Lee, A New Approach to Predicting Partial Recrystallization in Multipass Hot Rolling Process, Metals and Materials International, Vol. 8, No.1, Feb (2002) pp. 15-23.

[25] Youngseog Lee, S. Choi and P.D. Hodgson, "Integrated Model for Thermo-Mechanical Controlled Process in Rod or (Bar) Rolling", J. Materials and Processing Technology, Vol. 125/126, Sep (2002) pp. 678-688.

[24] Youngseog Lee, S. Choi and P.D. Hodgson, "Analytical Model of Pass-by-Pass Strain in Rod (or Bar) Rolling and Its Applications to Prediction of Austenite Grain Size", Materials Science and Engineering A, Vol. 336, No.1-2, Oct (2002) pp.177-189.

[23] S. Choi, Youngseog Lee, P.D. Hodgson and J.S. Woo, "Feasibility Study of Partial Recrystallization in Multi-Pass Hot Deformation Process and Application to Calculation of Mean Flow Stress", J. Materials and Processing Technology, Vol. 125/126, Sep (2002) pp. 63-71.

[22] Youngseog Lee and B.M. Kim, "Analytical Model of Pass-by-Pass Strain in Bar Rolling and Its Verification", Scandinavian J. Metallurgy, Vol. 31, No. 2, April (2002) pp. 126-133.

[21] L.S. Bayoumi, Youngseog Lee and H.J. Kim, "Effect of Roll Gap Change of Oval Pass on Interfacial Slip and Roll pressure in Round-Oval-Round Pass Rolling Sequence", KSME Journal International, Vol. 16, No. 4, April (2002), pp. 492-500.

[20] Youngseog Lee, "Prediction of the Surface Profile and Area of the Exit Cross Section of Workpiece in Round-Oval-Round Pass Sequence", ISIJ International, Vol. 42, No. 7, July (2002) pp. 726-735.

[19] Youngseog Lee, "A New Approach for the Prediction of Roll Force in Rod Rolling", Ironmaking and Steelmaking, Vol. 29, No. 6, Dec. (2002) pp.459-468.

[18] D.H. Kim, Youngseog Lee and B.M. Kim, "Application of ANN for the Dimensional Accuracy of Exit Shape of Workpiece to Rod Rolling Process", J. Materials and Processing Technology, Vol. 130/131, Dec. (2002) pp. 214-218.

[17] Youngseog Lee and K.S. Kim, "A Cohesive Surface Separation Potential", KSME Journal Int.,Vol. 16, No. 11, Nov (2002), pp. 1435-1439.

2001년

[16] Youngseog Lee, S.I. Kim, S. Choi, B.R. Jang and W. Y. Choo, "Mathematical Model to Simulate Thermo-Mechanical Controlled Processing in Rod (or Bar) Rolling", Metals and Materials, Vol. 7, No.6, Dec. (2001) pp. 519-330.

[15] Youngseog Lee and Y.H. Kim, "Approximate Analysis of Roll Force in Round-Oval-Round Pass Rolling Sequence", J. Materials and Processing Technology, Vol. 113, June (2001) pp. 124-130.

[14] J.O. Park, K.J. Kim, D.Y. Kang, Youngseog Lee and Y.H. Kim, "An Experimental Study on the Optimization of Powder Forging Process Parameters for Aluminum Alloy Piston", J. Materials and Processing Technology, Vol. 113, June (2001) pp. 486-492.

[13] Youngseog Lee, H.J. Kim and S.M. Hwang, "Analytic Model for the Prediction of Mean Effective Strain in Rod Rolling Process", J. Materials and Processing Technology,Vol. 114, July (2001) pp.129-138.

[12] Youngseog Lee, "An Analytical Study of Mean Roll Radius in Rod Rolling", ISIJ International, Vol. 41, No. 11, Nov (2001) pp. 1414-1416.

[11] S. Choi, Youngseog Lee and S. Lee, "A Study of Influence of Strain Path Change on the Microstructure and Mechanical Properties of Low Carbon Steel Using Plate and Bar Rolling", Metals & Materials, Vol. 7, No.2, April (2001) pp. 115-121.

2000년

[10] Youngseog Lee and S. Choi, "New Approach for the Prediction of Stress Free Surface Profile of Work piece in Rod Rolling", ISIJ International, Vol. 40, No. 6, June (2000) pp. 624-626.

[9] Youngseog Lee, S. Choi, H. Kim and W.Y. Choo, " An Experimental Study of the Mean Effective Strain in Rod (or Bar) Rolling Process", Metals & Materials, Vol. 6, No.6, Dec. (2000) pp. 525-531.

[8] Youngseog Lee, S. Choi and Y.H. Kim, "Mathematical Model and Experimental Validation of Surface Profile of a Workpiece in Round-Oval-Round Pass Sequence", J. Materials and Processing Technology, Vol. 108, Dec (2000) pp. 87-96.

[7] Youngseog Lee, S. Choi, S.J. Yoo and W.Y. Choo, "A Study of Effect of the Deformation Parameters on Recrystallization Behavior in Rod Rolling Process", Metals & Materials, Vol. 6, No.3, June (2000) pp. 267-273.

1999년

[6] Youngseog Lee, "Calculating Model of Mean Strain in Rod Rolling Process", ISIJ International, Vol. 39, No. 9, Sep. (1999) pp. 961-963.

[5] Youngseog Lee and Vikas Prakash, "Dynamic Brittle Failure of Structural Steels under Plane Strain Condition", Int. Journal of Solids and Structures, Vol. 36, Aug. (1999) pp. 3293-3337.

[4] Youngseog Lee, "An Alternative Derivation of Polar Decomposition", Mechanics Research Communications, Vol. 26, No.5, Nov. (1999) pp. 525-528.

1998년

[3] Youngseog Lee and Vikas Prakash, "Numerical Simulations of Dynamic Plastic Shear Instability under Conditions of Plane Strain", Int. Journal of Solids and Structures, Vol. 35, No. 28-29, Oct. (1998) pp. 3755-3791.

[2] Youngseog Lee and Vikas Prakash, "Dynamic Fracture Toughness Versus Crack Tip Speed Relationship at Lower Than Room Temperature for High Strength 4340 VAR Structural Steel", Journal of the Mechanics and Physics of Solids, Vol. 46, No. 10, Nov. (1998) pp. 1943 - 1967.

1997년

1996년

1995년

[1] Youngseog Lee and Vikas Prakash, "Dynamic Fracture Toughness of 4340 VAR Steel under Conditions of Plane Strain", Metallurgical & Materials Transactions A, Vol. 26A, Oct. (1995) pp 2527-2543.

저서

2004년

[1] Youngseog Lee, Rod and Bar Rolling; Theory and Applications, Marcel and Dekker Inc,

New York, USA. ISBN: 0-8247-5649-5

특허

발명자

제목

등록번호

변상민, 홍완기, 이영석

선재 압연롤의 제조방법(Method for Manufacturing Rod Rolling Roll)

10-0797245 (2008.01.16)

이영석, 김효신

소재와 지그의 접촉을 고려하지 않고 혼합모드 하중의 적용이 가능한 응력해석 방법 (Stress analysis method applicable to the mixed mode loading with no consideration of the contact between material and jig)

10-0786192-00-00 (2007.12.10)

이영석, 최해창

열간압연 선재의 냉각 장치(Hot Rolled Wire Rod Cooling Apparatus)

[출원번호]

2003-0041138 (2003.06.24)

이영석

아크 용접봉용 선재의 제조 방법(Manufacturing method of rods for an arc welding)

10-0742604-00-00 (2007.07.19)

이영석, 조삼규

Bi-S계 쾌삭강 선재의 제조 방법(Method for Manufacturing Wire Rod of Bi-S System Free-Cutting Steel)

10-0454744-00-00 (2004.10.19)

이영석, 이유완, 최상우

선재 표면의 겹침흠 발생을 방지하기 위한 공형압연시스템

10-0370578-00-00 (2003.01.17)

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