연구실소개

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] S.C-H Moon and Youngseog Lee, Approach to evaluate the rolling mill capacity in a plate rolling process, JJ. 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.

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.

2004년

[1] Youngseog Lee, Rod and Bar Rolling; Theory and Applications, Marcel and Dekker Inc, New York, USA. ISBN: 0-8247-5649-5