Jaeho Choi
Professor

	(Office)	Department of Metallurgical Engineering, Kangnung National University , Kangnung Daehagro 120, Kangnung, Kangwon-do, Korea 210-702 TEL : +82-33-640-2364 FAX : +82-33-642-2245
	E-mail	cjh@kangnung.ac.kr

• BS (Mat.Eng.) Seoul National University , Korea, 1984
• MS (Mat.Eng.) Seoul National University, Korea, 1986
• PhD (Mat.Eng.) Karlsruhe University & Forschungszentrum Karlsruhe, Germany, 1991
  
  
• Visiting Professor, Pennsylvania State University, USA, July 2001 - July 2002
  
  
• Dean, College of Engineering, Kangnung National University , March 2004 - February 2006

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Research Interests

• Thermomechanical Treatment
• Microstructure Modelling
• Nanostructured Materials
• Materials in Health
• Materials & Design
  
  

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Publications

• "Dynamic Drag of Solute Atmosphere on Moving Edge Dislocations - Phase Field Simulation", Journal of Applied Physics, 96(2004)229
• "On Phase Relationship between Ti-Si Precipitates and Beta Matrix of a Ti-6Al-4Fe-(0.1 to 1.0)Si Alloys", 10th World Conference on Titanium, Hamburg, July(2003)
• "Failure analysis of a mast column", Engineering Failure Analysis, 10(2003)317
• "Phase Field Modelling of Solute Drag on Moving Dislocations and the Portevin-LeChatelier Effect", Gordon Research Conferences, Colby College, Aug(2002)
• "Microstructure and Thermal Stability of High Permittivity Ta₂O₅", Korean Journal of Materials Research, 12(2002)814
• "Phase Field Modelling of the Portevin-LeChatelier Effect from the Dynamic Drag of Solute Atmosphere", 39th Annual Technical Meeting Society of Engineering Science, Penn State Univ., Oct (2002)
• "Aging Behavior and Phase Transformation in the Beta-C Titanium Alloy", J. Kor. Inst. Met. & Mat., 38(2000)1304
• "A Study of Strain Induced Martensitic Phase Transformation in Ti-15-3 Alloy", J. Eng. Res. Inst. KNU, 8(2000)63
• "Strain Induced Phase Transformation in Metastable Structure of Beta-Ti Alloys", Spring Meeting of the Korean Institute of Metals and Materials, Sooncheon Univ., Apr(2000)
• "Metastable Structure of Beta Titanium Alloys", Annual Meeting of the Korean Institute of Metals and Materials, Inha Univ., Oct(1999)
• "A Study on the Phase Transformation of 3a Lattice Parameter in Ti-Alloys", Spring Meeting of the Korean Institute of Metals and Materials, Kyungbook Univ., Apr(1999)
• "A Study on the Phase Transformation of Ti-Alloys at the Solid Solution Treatment and
  Sub-zero Quenching", J. Eng. Res. Inst. KNU, 6(1998)101
• "The Effect of the ratio of Specimen to Grain Size on the High Temperature Plastic Deformation", Annual Meeting of the Korean Institute of Metals and Materials, Seoul Univ., Oct(1998)
• "A Study on the Phase Transformation of Ti-Alloys at the Solid Solution Treatment and
  Sub-zero Quenching", Annual Meeting of the Korean Institute of Metals and Materials, Seoul Univ., Oct(1998)
• "Premartensitic Behavior of the Supersaturated Beta Phase in Ti Alloys", Scripta Materialia 39(1998)749
• "Alloy Development of Ni-Al-Fe Aluminides for High Temperature", Spring Meeting of the Korean Institute of Metals and Materials, Pusan Univ., Apr(1998)
• "Effect of Phase Composition on the High Temperature Plasticity for Duplex Stainless Steel", J. of the Korean Society for Technology of Plasticity 7(1998)107
• "Effects of the Addition of Ti and Zr on the Microstructure and the Mechanical Properties of Ni-Al-Fe Intermetallics", J. of the Korean Inst. of Met. & Mater. 35(1997)1499
• "Beta Microstructures of Ti Alloys at the Heat Treatment of Solid Solution and Quenching", Spring Meeting of the Korean Institute of Metals and Materials, Apr(1998)
• "Effect of the Carbide Behavior on the Creep Properties of HK-40 Heat Resistant Steel", J. of the Korean Inst. of Met. & Mater. 35(1997)23
• "Dynamic Recrystallization in Duplex Stainless Steel", J. of the Korean Inst. of Met. & Mater. 35(1997)3
• "A Study on the Boundary Embrittlement of Ni-base Superalloys at High Temperature", J. Eng. Res. Inst. KNU 4(1996)31
• "Beta Microstructures of Ti Alloys at the Heat Treatment of Solid Solution and Quenching", Proc. of the 9th Conference on Materials and Material Properties, May(1996)
• "Materials Research and Development in Germany", Research Report, May(1995)
• "Dynamic Recrystallization in High Temperature Plasticity", J. of the Korean Inst. of Met. & Mater. 33(1995)428
• "The Effect of Factors on the SME of Fe-Mn-Si-(X) Shape Memory Alloys(III)", J. of the Korean Inst. of Met. & Mater. 32(1994)14
• "The Effect of Thermomechanical Treatment on the Microstructures in Cu-8.55Al Alloy", J. Eng. Res. Inst. KNU vol.1, no.2 (1993)1
• "Bifurcation Phenomenon in Crystal Plasticity", J. Eng. Res. Inst. KNU vol.1, no.1(1993)1
• "Criticality and Structural Flow Instability", Zeitschrift für Metallkunde 83(1992)57-70
• "Dynamic Stability of High Temperature Plasticity", Dissertation, University of Karlsruhe, Germany, May(1991)
• "Stored Energy and Structural Instability in High Temperature Plastic Flow",
  Materials Science and Engineering A137(1991)111-118,
  Plasticity of Metals and Alloys 5, p111-118, Elsevier
• "Investigation of Structural Flow Instability at High Temperature", Kernforschungszentrum Karlsruhe(KfK)-Report 4876, June(1991)
• "Structure Flow Instability at High Temperature", Proc. International Conference on the Mechanics, Physics and Structure of Materials, Thessaloniky, Greece(1990)