최윤석
- 직위
- 재료공학부 교수
- 이메일
- choiys@pusan.ac.kr
- Ph.D. in Mat. Sci. Eng., Carnegie Mellon University, Pittsburgh, PA, USA, 2001
Dissertation: Surface Roughening of 6022-T4 Al Sheets Deformed in Plane-Strain Tension. Advisor: Professor Henry R. Piehler
- M.S. in Mat. Sci. Eng., Carnegie Mellon University, Pittsburgh, PA, USA, 1998
Coursework Masters (Fall 1997 ? Spring 1998)
- M.E. in Metallurgical Eng., Pusan National University, Busan, Korea, 1996
Masters Dissertation: Fundamental Study on Carburization Mechanism of Boron Steel
Advisor: Professor Ik-min Park
- B.S. in Metallurgical Eng., Pusan National University, Busan, Korea, 1994
Dissertation: Surface Roughening of 6022-T4 Al Sheets Deformed in Plane-Strain Tension. Advisor: Professor Henry R. Piehler
- M.S. in Mat. Sci. Eng., Carnegie Mellon University, Pittsburgh, PA, USA, 1998
Coursework Masters (Fall 1997 ? Spring 1998)
- M.E. in Metallurgical Eng., Pusan National University, Busan, Korea, 1996
Masters Dissertation: Fundamental Study on Carburization Mechanism of Boron Steel
Advisor: Professor Ik-min Park
- B.S. in Metallurgical Eng., Pusan National University, Busan, Korea, 1994
- Professor, School of Mat. Sci. & Eng., Pusan National University, Since Mar. 2018.
- Associate Dean, College of Engineering, Pusan National University, Mar. 2018 to Feb. 2020.
- Editor, Metals and Materials International, since Mar. 2019.
- Key Reader (Board of Review), Metallurgical and Materials Transactions A, since Mar. 2007
- Editorial board member, Korean Journal of Metals and Materials, since Nov. 2015
- Associate Professor, School of Mat. Sci. & Eng., Pusan National University, Mar. 2013 to Feb. 2018.
- Research Scientist, UES, Inc. Dayton, OH, USA, March 2002 to February 2013.
- Post-Doctoral Fellow, Civil & Env. Eng., Carnegie Mellon University, May 2001 to Jan. 2002.
Implemented Strain-Gradient Plasticity Theory into the FEM package (Abaqus/UMAT).
Advisor: Professor Amit Acharya
- Associate Dean, College of Engineering, Pusan National University, Mar. 2018 to Feb. 2020.
- Editor, Metals and Materials International, since Mar. 2019.
- Key Reader (Board of Review), Metallurgical and Materials Transactions A, since Mar. 2007
- Editorial board member, Korean Journal of Metals and Materials, since Nov. 2015
- Associate Professor, School of Mat. Sci. & Eng., Pusan National University, Mar. 2013 to Feb. 2018.
- Research Scientist, UES, Inc. Dayton, OH, USA, March 2002 to February 2013.
- Post-Doctoral Fellow, Civil & Env. Eng., Carnegie Mellon University, May 2001 to Jan. 2002.
Implemented Strain-Gradient Plasticity Theory into the FEM package (Abaqus/UMAT).
Advisor: Professor Amit Acharya
- (사)대한금속재료학회 타이타늄분과위원회 위원장 (2020)
- (사)3D프린팅연구조합, 이사 (2019- 현재)
- (사)대한금속재료학회 국제담당이사 (2016-2018)
- (사)3D프린팅연구조합, 이사 (2019- 현재)
- (사)대한금속재료학회 국제담당이사 (2016-2018)
1. Y.S. Choi and R.A. Brockman, "Representation of materials constitutive responses in finite element based design codes," Chapter 6 in Computational Method for Microstructure-Property Relationships, Ed. by S. Ghosh and D. Dimiduk, Springer, New York, pp. 199-238, (2011).
-2017
Lou, S., Lee, S. B., Nam, D. G., & Choi, Y. S. Microstructures and mechanical properties of bonding layers between low carbon steel and alloy 625 processed by gas tungsten arc welding. Metals and Materials International, 23(6), 1168-1175, (2017)
Shim, D. S., Baek, G. Y., Lee, S. B., Yu, J. H., Choi, Y. S., & Park, S. H. Influence of heat treatment on wear behavior and impact toughness of AISI M4 coated by laser melting deposition. Surface and Coatings Technology, 328, 219-230, (2017)
Muthupandi, G., Lim, K. R., Na, Y. S., Park, J., Lee, D., Kim, H., ... & Choi, Y. S. Pile-up and sink-in nanoindentation behaviors in AlCoCrFeNi multi-phase high entropy alloy. Materials Science and Engineering: A. Vol. 696, pp.146-154, (2017)
Myeong-Il Park, Kyeong-Min Kim, Yeong-Chul Lee, Jung-Seok Lee, Jae-Hyun Lee,
Jae-Hyun Yoo, Sang-Hu Park, and Yoon Suk Choi, Numerical and Experimental Analysis on the Cavity Formation and Shrinkage for Investment Cast Alloy 738 4 mm-Thick Rectangular Tube, KOREAN JOURNAL OF METALS AND MATERIALS, Vol. 55, No. 2, pp.132~138, (2017)
-2016
Seon Yong Park, Ka Ram Lim, Young Sang Na, Seong Eon Kim, and Youn Suk Choi, The Effects of Cooling Rate on the Microstructure and Mechanical Properties of Ti40Zr10Cu36Pd14 Metallic Glass Matrix Composites. KOREAN JOURNAL OF METALS AND MATERIALS, 54(11), 802-807, (2016)
Jang, J., Choi, C., Kim, J., Park, Y. D., Choi, Y. S., &Nam, D. G, Optimal Condition of Chromium Nitrided Low Carbon Steel as Bipolar Plate for PEM Fuel Cell. The Korean Society for New and Renewable Energy, 171-171, (2016)
Cha, J. H., Kim, S. H., Lee, Y. S., Kim, H. W., &Choi, Y. S, Effect of heat treatment on interfacial and mechanical properties of A6022/A7075/A6022 roll-bonded multi-layer Al alloy sheets. Metals and Materials International, 22(5), 880-886, (2016)
-2015
Yoon Suk Choi, Kyung-Mox Cho, Dae-Geun Nam and Il-Dong Choi, Modeling the Hall-Petch Relation of Ni-Base Polycrystalline Superalloys Using Strain-Gradient Crystal Plasticity Finite Element Method. KOREAN JOURNAL OF METALS AND MATERIALS, 25(2), 81-89, (2015)
Jung, J. H., Na, Y. S., Cho, K. M., Dimiduk, D. M., &Choi, Y. S., Microcompression Behaviors of Single Crystals Simulated by Crystal Plasticity Finite Element Method. Metallurgical and Materials Transactions A, 46(11), 4834-4840. (2015)
Ha, J. W., Seong, B. S., Jeong, H. W., Choi, Y. S., &Kang, N, Effects of the aging temperature and stress relaxation conditions on γ′ precipitation in Inconel X-750. Journal of Nuclear Materials, 457, 362-368, (2015)
-2014
Lee, W. J., Cho, Y. J., Choi, Y., &Park, Y. H, Practical Applicability and Limitation of Representative Volume Element Approach to Model Creep Behaviors of Metal Matrix Composites. Materials Transactions, 55(9), 1383-1390, (2014)
Ha, J. W., Seong, B. S., Jeong, H. W., Yoo, Y. S., Choi, Y. S., &Kang, N, Effect of cold drawing ratio on γ′ precipitation in Inconel X-750. Materials Characterization, 96, 1-5, (2014)
Choi, Y. S., Groeber, M. A., Shade, P. A., Turner, T. J., Schuren, J. C., Dimiduk, D. M., ... &Rollett, A. D, Crystal plasticity finite element method simulations for a polycrystalline Ni micro-specimen deformed in tension. Metallurgical and Materials Transactions A, 45(13), 6352-6359, (2014)
Jong Min Choi, Dae Han Kim, Dae Hyun Cho, Yoon Suk Choi, and Ik Min Park, Effect of Sr Content on Creep Properties of Mg-4Al-2Sn Alloy, KOREAN JOURNAL OF METALS AND MATERIALS, 52(5), 347-352, (2014)
Kim, S. W., Na, Y. S., Yeom, J. T., Kim, S. E., &Choi, Y. S, An in-situ transmission electron microscopy study on room temperature ductility of TiAl alloys with fully lamellar microstructure. Materials Science and Engineering: A, 589, 140-145, (2014)
-2012
Choi, Y. S., Groeber, M. A., Turner, T. J., Dimiduk, D. M., Woodward, C., Uchic, M. D., &Parthasarathy, T. A, A crystal-plasticity FEM study on effects of simplified grain representation and mesh types on mesoscopic plasticity heterogeneities. Materials Science and Engineering: A, 553, 37-44, (2012)
Choi, Y. S., &Parthasarathy, T. A, A crystal-plasticity finite element method study on effect of abnormally large grain on mesoscopic plasticity of polycrystal. Scripta Materialia, 66(1), 56-59, (2012)
Choi, Y. S., Parthasarathy, T. A., Woodward, C., Dimiduk, D. M., &Uchic, M. D, Constitutive Model for Anisotropic Creep Behaviors of Single-Crystal Ni-Base Superalloys in the Low-Temperature, High-Stress Regime. Metallurgical and Materials Transactions A, 43(6), 1861-1869, (2012)
Chun, E. J., Lee, J. S., Do, H., Kim, S. J., Choi, Y. S., Park, Y. H., &Kang, N, Effects of coiling temperature and carbides behavior on stretch-flangeability for 980 MPa hot-rolled steels. KOREAN JOURNAL OF METALS AND MATERIALS, 50(7), 487-493, (2012)
-2010
Rollett, A. D., Lebensohn, R. A., Groeber, M., Choi, Y., Li, J., &Rohrer, G. S, Stress hot spots in viscoplastic deformation of polycrystals. Modelling and Simulation in Materials Science and Engineering, 18(7), 074005, (2010)
-2009
Uchic, M. D., Dimiduk, D. M., Fraser, H. L., Shade, P. A., Wheeler, R., &Choi, Y. S, A Combined Experimental and Computational Study to Examine Lateral Constraint Effects on Single-Slip Oriented Microcompression Experiments, ACTA MATERIALIA, 57(15), 4580-4587 (2009)
-2007
Choi, Y. S., Uchic, M. D., Parthasarathy, T. A., &Dimiduk, D. M, Numerical study on microcompression tests of anisotropic single crystals. Scripta Materialia, 57(9), 849-852, (2007)
Choi, Y. S., Dimiduk, D. M., Uchic, M. D., &Parthasarathy, T. A. (2007). Modelling plasticity of Ni3Al-based L12 intermetallic single crystals. I. Anomalous temperature dependence of the flow behaviour §. Philosophical Magazine, 87(12), 1939-1965, (2007)
Choi, Y. S., Dimiduk, D. M., Uchic, M. D., &Parthasarathy, T. A, Modelling plasticity of Ni3Al-based L12 intermetallic single crystals. II. Two-step (T 1 and T 2) deformation behaviour. Philosophical Magazine, 87(30), 4759-4775, (2007)
Choi, Y. S., Piehler, H. R., &Rollett, A. D, Introduction and application of modified surface roughness parameters based on the topographical distributions of peaks and valleys. Materials Characterization, 58(10), 901-908, (2007)
-2006
Choi, Y. S., Rollett, A. D., &Piehler, H. R, Application of two-point orientation auto-correlation fucntion (TP-OACF). Materials transactions, 47(5), 1313-1316, (2006)
Choi, Y. S., Parthasarathy, T. A., Dimiduk, D. M., &Uchic, M. D, Microstructural effects in modeling the flow behavior of single-crystal superalloys. Metallurgical and Materials Transactions A, 37(3), 545-550, (2006)
-2005
Choi, Y. S., Dimiduk, D. M., Uchic, M. D., &Parthasarathy, T. A, A crystallographic constitutive model for Ni 3 Al (L1 2) intermetallics. Materials Science and Engineering: A, 400, 256-259, (2005)
Choi, Y. S., Park, I. M., Kim, J. H., Cho, K. M., &Lee, D. L, Effect of Si on the thermo-mechanical deformation and spheroidization of medium carbon steels. Metals and Materials International, 11(4), 327-332, (2005)
Choi, Y. S., Parthasarathy, T. A., Dimiduk, D. M., &Uchic, M. D, Numerical study of the flow responses and the geometric constraint effects in Ni-base two-phase single crystals using strain gradient plasticity. Materials Science and Engineering: A, 397(1), 69-83, (2005)
-2004
Choi, Y. S., Piehler, H. R., &Rollett, A. D, Formation of mesoscale roughening in 6022-T4 Al sheets deformed in plane-strain tension. Metallurgical and Materials Transactions A, 35(2), 513-524, (2004)
Tang, H., Choi, Y. S., Acharya, A., &Saigal, S, Effects of lattice incompatibility-induced hardening on the fracture behavior of ductile single crystals. Journal of the Mechanics and Physics of Solids, 52(12), 2841-2867, (2004)
-1997
Choi, Y. S., Kim, S. J., Park, I. M., Kwon, K. W., &Yoo, I. S, Boron distribution in a low-alloy steel. Metals and Materials International, 3(2), 118-124, (1997)
Lou, S., Lee, S. B., Nam, D. G., & Choi, Y. S. Microstructures and mechanical properties of bonding layers between low carbon steel and alloy 625 processed by gas tungsten arc welding. Metals and Materials International, 23(6), 1168-1175, (2017)
Shim, D. S., Baek, G. Y., Lee, S. B., Yu, J. H., Choi, Y. S., & Park, S. H. Influence of heat treatment on wear behavior and impact toughness of AISI M4 coated by laser melting deposition. Surface and Coatings Technology, 328, 219-230, (2017)
Muthupandi, G., Lim, K. R., Na, Y. S., Park, J., Lee, D., Kim, H., ... & Choi, Y. S. Pile-up and sink-in nanoindentation behaviors in AlCoCrFeNi multi-phase high entropy alloy. Materials Science and Engineering: A. Vol. 696, pp.146-154, (2017)
Myeong-Il Park, Kyeong-Min Kim, Yeong-Chul Lee, Jung-Seok Lee, Jae-Hyun Lee,
Jae-Hyun Yoo, Sang-Hu Park, and Yoon Suk Choi, Numerical and Experimental Analysis on the Cavity Formation and Shrinkage for Investment Cast Alloy 738 4 mm-Thick Rectangular Tube, KOREAN JOURNAL OF METALS AND MATERIALS, Vol. 55, No. 2, pp.132~138, (2017)
-2016
Seon Yong Park, Ka Ram Lim, Young Sang Na, Seong Eon Kim, and Youn Suk Choi, The Effects of Cooling Rate on the Microstructure and Mechanical Properties of Ti40Zr10Cu36Pd14 Metallic Glass Matrix Composites. KOREAN JOURNAL OF METALS AND MATERIALS, 54(11), 802-807, (2016)
Jang, J., Choi, C., Kim, J., Park, Y. D., Choi, Y. S., &Nam, D. G, Optimal Condition of Chromium Nitrided Low Carbon Steel as Bipolar Plate for PEM Fuel Cell. The Korean Society for New and Renewable Energy, 171-171, (2016)
Cha, J. H., Kim, S. H., Lee, Y. S., Kim, H. W., &Choi, Y. S, Effect of heat treatment on interfacial and mechanical properties of A6022/A7075/A6022 roll-bonded multi-layer Al alloy sheets. Metals and Materials International, 22(5), 880-886, (2016)
-2015
Yoon Suk Choi, Kyung-Mox Cho, Dae-Geun Nam and Il-Dong Choi, Modeling the Hall-Petch Relation of Ni-Base Polycrystalline Superalloys Using Strain-Gradient Crystal Plasticity Finite Element Method. KOREAN JOURNAL OF METALS AND MATERIALS, 25(2), 81-89, (2015)
Jung, J. H., Na, Y. S., Cho, K. M., Dimiduk, D. M., &Choi, Y. S., Microcompression Behaviors of Single Crystals Simulated by Crystal Plasticity Finite Element Method. Metallurgical and Materials Transactions A, 46(11), 4834-4840. (2015)
Ha, J. W., Seong, B. S., Jeong, H. W., Choi, Y. S., &Kang, N, Effects of the aging temperature and stress relaxation conditions on γ′ precipitation in Inconel X-750. Journal of Nuclear Materials, 457, 362-368, (2015)
-2014
Lee, W. J., Cho, Y. J., Choi, Y., &Park, Y. H, Practical Applicability and Limitation of Representative Volume Element Approach to Model Creep Behaviors of Metal Matrix Composites. Materials Transactions, 55(9), 1383-1390, (2014)
Ha, J. W., Seong, B. S., Jeong, H. W., Yoo, Y. S., Choi, Y. S., &Kang, N, Effect of cold drawing ratio on γ′ precipitation in Inconel X-750. Materials Characterization, 96, 1-5, (2014)
Choi, Y. S., Groeber, M. A., Shade, P. A., Turner, T. J., Schuren, J. C., Dimiduk, D. M., ... &Rollett, A. D, Crystal plasticity finite element method simulations for a polycrystalline Ni micro-specimen deformed in tension. Metallurgical and Materials Transactions A, 45(13), 6352-6359, (2014)
Jong Min Choi, Dae Han Kim, Dae Hyun Cho, Yoon Suk Choi, and Ik Min Park, Effect of Sr Content on Creep Properties of Mg-4Al-2Sn Alloy, KOREAN JOURNAL OF METALS AND MATERIALS, 52(5), 347-352, (2014)
Kim, S. W., Na, Y. S., Yeom, J. T., Kim, S. E., &Choi, Y. S, An in-situ transmission electron microscopy study on room temperature ductility of TiAl alloys with fully lamellar microstructure. Materials Science and Engineering: A, 589, 140-145, (2014)
-2012
Choi, Y. S., Groeber, M. A., Turner, T. J., Dimiduk, D. M., Woodward, C., Uchic, M. D., &Parthasarathy, T. A, A crystal-plasticity FEM study on effects of simplified grain representation and mesh types on mesoscopic plasticity heterogeneities. Materials Science and Engineering: A, 553, 37-44, (2012)
Choi, Y. S., &Parthasarathy, T. A, A crystal-plasticity finite element method study on effect of abnormally large grain on mesoscopic plasticity of polycrystal. Scripta Materialia, 66(1), 56-59, (2012)
Choi, Y. S., Parthasarathy, T. A., Woodward, C., Dimiduk, D. M., &Uchic, M. D, Constitutive Model for Anisotropic Creep Behaviors of Single-Crystal Ni-Base Superalloys in the Low-Temperature, High-Stress Regime. Metallurgical and Materials Transactions A, 43(6), 1861-1869, (2012)
Chun, E. J., Lee, J. S., Do, H., Kim, S. J., Choi, Y. S., Park, Y. H., &Kang, N, Effects of coiling temperature and carbides behavior on stretch-flangeability for 980 MPa hot-rolled steels. KOREAN JOURNAL OF METALS AND MATERIALS, 50(7), 487-493, (2012)
-2010
Rollett, A. D., Lebensohn, R. A., Groeber, M., Choi, Y., Li, J., &Rohrer, G. S, Stress hot spots in viscoplastic deformation of polycrystals. Modelling and Simulation in Materials Science and Engineering, 18(7), 074005, (2010)
-2009
Uchic, M. D., Dimiduk, D. M., Fraser, H. L., Shade, P. A., Wheeler, R., &Choi, Y. S, A Combined Experimental and Computational Study to Examine Lateral Constraint Effects on Single-Slip Oriented Microcompression Experiments, ACTA MATERIALIA, 57(15), 4580-4587 (2009)
-2007
Choi, Y. S., Uchic, M. D., Parthasarathy, T. A., &Dimiduk, D. M, Numerical study on microcompression tests of anisotropic single crystals. Scripta Materialia, 57(9), 849-852, (2007)
Choi, Y. S., Dimiduk, D. M., Uchic, M. D., &Parthasarathy, T. A. (2007). Modelling plasticity of Ni3Al-based L12 intermetallic single crystals. I. Anomalous temperature dependence of the flow behaviour §. Philosophical Magazine, 87(12), 1939-1965, (2007)
Choi, Y. S., Dimiduk, D. M., Uchic, M. D., &Parthasarathy, T. A, Modelling plasticity of Ni3Al-based L12 intermetallic single crystals. II. Two-step (T 1 and T 2) deformation behaviour. Philosophical Magazine, 87(30), 4759-4775, (2007)
Choi, Y. S., Piehler, H. R., &Rollett, A. D, Introduction and application of modified surface roughness parameters based on the topographical distributions of peaks and valleys. Materials Characterization, 58(10), 901-908, (2007)
-2006
Choi, Y. S., Rollett, A. D., &Piehler, H. R, Application of two-point orientation auto-correlation fucntion (TP-OACF). Materials transactions, 47(5), 1313-1316, (2006)
Choi, Y. S., Parthasarathy, T. A., Dimiduk, D. M., &Uchic, M. D, Microstructural effects in modeling the flow behavior of single-crystal superalloys. Metallurgical and Materials Transactions A, 37(3), 545-550, (2006)
-2005
Choi, Y. S., Dimiduk, D. M., Uchic, M. D., &Parthasarathy, T. A, A crystallographic constitutive model for Ni 3 Al (L1 2) intermetallics. Materials Science and Engineering: A, 400, 256-259, (2005)
Choi, Y. S., Park, I. M., Kim, J. H., Cho, K. M., &Lee, D. L, Effect of Si on the thermo-mechanical deformation and spheroidization of medium carbon steels. Metals and Materials International, 11(4), 327-332, (2005)
Choi, Y. S., Parthasarathy, T. A., Dimiduk, D. M., &Uchic, M. D, Numerical study of the flow responses and the geometric constraint effects in Ni-base two-phase single crystals using strain gradient plasticity. Materials Science and Engineering: A, 397(1), 69-83, (2005)
-2004
Choi, Y. S., Piehler, H. R., &Rollett, A. D, Formation of mesoscale roughening in 6022-T4 Al sheets deformed in plane-strain tension. Metallurgical and Materials Transactions A, 35(2), 513-524, (2004)
Tang, H., Choi, Y. S., Acharya, A., &Saigal, S, Effects of lattice incompatibility-induced hardening on the fracture behavior of ductile single crystals. Journal of the Mechanics and Physics of Solids, 52(12), 2841-2867, (2004)
-1997
Choi, Y. S., Kim, S. J., Park, I. M., Kwon, K. W., &Yoo, I. S, Boron distribution in a low-alloy steel. Metals and Materials International, 3(2), 118-124, (1997)
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