(Office)	Department of Metallurgical Engineering, Kangnung National University , Jibyun-dong 123, Kangnung, Kangwon-do, Korea 210-702 TEL : +82-391-640-2365 FAX : +82-391-640-2365
	E-mail	cbh@kangnung.ac.kr

• B.S. Dept. of Metallurgical Engineering  Seoul National University , Korea, Feb. 1984
• M.S. Dept. of Metallurgical Engineering  Seoul National University, Korea, Feb. 1986
• Ph.D. Dept. of Metallurgical Engineering Seoul National University, Korea, Aug. 1990
  

• M. S. Theses, Seoul National University, Feb. 1986, "The Hot Embrittlement Mechanism of KS SPS5 Spring Steel"
• Ph. D. Theses, Seoul National University, Aug. 1990, "Effects of Microstructure and Deformation Behavior on the High Temperature Law Cycle Fatigue Properties of CM247LC Superalloy"

• Teching Associate Dept. of Metallurgical Engineering Seoul National University. (Apr. 1998 ~ Aug. 1990).
• Senior Researcher, High Temperature Materials Lab., Korea Institute of Machinary and Metals, KIMM in Korea (Aug. 1990~Feb. 1995)

• Associate Professor, Dept. of Metallurgical Engineering, Kangnung National University (Mar.1995~Feb.1997)

• Associate Professor, Dept. of Metallurgical Engineering, Kangnung National University (Mar.1997~Present)

•  Meta-stable phases about martensitic phase transformation in beta Titanium alloys, carbon steels and shape memory alloys : Book (1), International Papers and Conference Proceedings (7), Domestic Papers (7), Domestic Conference Proceedings (20)
• Failure analysis of metals and machinery parts for oil, chemical, petroleum and electric power service lines : Books (2), Internet Site (1), International Papers and Conference Proceedings (1), Domestic Papers (10), Domestic Conference Proceedings (9)
• Nickel based Superalloys and Nickel aluminide intermetallics for high temperature alloys such as gas turbine parts : International Papers and Conference Proceedings (5), Domestic Papers (13), Domestic Conference Proceedings (22)

Part 1. Metastable phases about martensitic phase transformation in beta Titanium alloys, carbon steels and shape memory alloys.

Books (1)

• Physical Chemistry for Metal and Materials, Point Book Company, Korea, March 2001, total about 300 pages.

International Papers and Conference Proceedings (7)

• B.H. Choe and et al. (6) : "The Ordering Behavior of Supersaturated Metastable Phases", Metal and Materials, 2001
• B.H. Choe and et al. (4) : "Premartensitic Behavior of the Supersaturated Beta Phase in Ti Alloys", Material Science & Engineering vol 39, 1998, pp 749-754
• B.H. Choe and et al. (6) : "The Ordering Behavior of Supersuturated Metastable Phase in Beta Ti Alloys", LiMAT, 2001
• B.H. Choe and et al. (5) : "Premartensitic Behavior of the Supersaturated Beta Phase in Ti Alloys", Titanium Alloy Conference, 1999
• S.J. Kim, B.H. Choe and et al. (1) : "Age-hardening Behavior of Ti-15-3 Alloy", Proc. 3rd Japan International SAMPE Symposium, 1993
• Y.T. Lee, B.H. Choe and et al. (3) : "Effects of Heat Treatment on the Phase Transformation of Ti3Al-based Intermetallics", Light Materials for Transportation Systems, 1993
• Y.T. Lee, B.H. Choe : Thermomechanical Treatment for Ti3Al-Based Intermetallics, MRL-KIMM Advanced Materials Symposium, 1991

Domestic Papers (7)

• B.H. Choe and et al. (6) : "Phase Transformation in Sub-Zero Quenching of a Beta-Ti Alloy", J. of the Korean Inst. of Met & Mater., vol 39, 2001, pp 388-393.
• B.H. Lee and B.H. Choe and et al (4) : "Aging Behavior and Phase Transformation in the Beta-C Titanium Alloy", J. of the Korean Inst. of Met & Mater., vol 38, 2000, pp 1304-1308..  
• B.H. Lee and B.H. Choe and et al (4) : "A Study on the Strain Induced Martensite Transformation of Ti-15-3",J. Eng. Res. Inst. KNU, vol 6, 2000, pp 63-72.
• B.H. Choe and et al. (4) : "A Study on the Phase Transformation of Titanium Alloys at the Solid Solution Treatment and Sub-zero Quenching", J. Eng. Res. Inst. KNU, vol 6, 1998, pp101-110
• S.J. Kim, B.H. Choe and et al. (1) : "Aging Behavior and Mechanical Properties of Ti-15-3 Alloy",  J. of the Korean Inst. of Met & Mater., vol 35, 1997, pp 880-886.
• S.H. Kim, B.H. Choe and et al. (3) : "Effect of Heat Treatment on the Phase Transformation of Ti3Al-based Intermetallic", J. of the Korean Inst. of Met & Mater., vol 32, 1994, pp 462-468.
• B. H. Choe and Y.T. Kim : "The Effect of Microstructure and Phase Transformation on Mechanical Properties for Ti3Al-Nb Alloys", J. of the Korean Inst. of Met & Mater., vol 29, 1991, pp 1156-11658.

Domestic Conference Proceedings (20)

• B.H. Choe and et al. (5) : "About Regularity and Elastic Strain in Supersaturated Metastable State Phases", 2001 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 2001.
• T.H. Lee, B.H. Choe and et al. (3) : "Cu Precipitation Behavior in Fe-0.15C-1.5Mn-1.5Si-1.0Cu Steel", 2001 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 2001.
• J.H. Lee, B,H. Choe and et al. (3) : "Solidification Analysis of Duplex Stainless Steel along Ni Content", 2001 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 2001.
• B.H. Choe and et al. (5) : "Phase Transformation of Metastable Phase", Extended Abstract Book of 10th symposium on Phase Transformation, Korean Institute of Metals and Meaerials, 2000.11, pp 11-16
• B.H. Choe and et al. (5) : "Phase Transformatin of Beta-Ti Alloys", 2000 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 2000.
• B.H. Lee, B.H. Choe and et al. (4) : "Strain Induced Phase Transformation of Metastable Beta-Ti Alloys", 2000 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 2000.
• B.H. Lee, B.H. Choe and et al. (4) : "Metastalbe state structures of Beta-Ti Alloys", 1999 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1999.
• S.S. Bae, B.H. Choe and et al. (2) : "Effect of the ratio of Specimen Width and Grain Size on High Temperature Deformation", 1998 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1998.
• B.H. Choe and et al. (5) : "A study on Phase Transformation of 3a Lattice Parameter in Ti Alloys", 1999 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1999.
• B.H. Choe and et al. (5) : "Premartensitic Behaviors in Beta-Ti Alloys", 1998 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1998.
• B.H. Choe and et al. (5) : "Phase Transformation of Ti Alloys in Sub-zero Quenching", 1998 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1998.
• B.H. Choe and et al. (4) : "Supersaturated microstructures of Beta-Ti Alloys", 1997 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1997.
• B.H. Choe and et al. (4) : "Beta Microstructures of Ti Alloys at the Heat Treatment of Solid Solution and Quenching", Proc. of 10th conference on Materials and Material Properties, June 1997, pp 183-192.
• B.H. Choe and et al. (4) : "The B/B2 Microstructures of Ti Alloys in STQ", 1997 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1997.
• B.H. Choe and et al. (4) : "Beta Microstructures of Ti Alloys at the Heat treatment of Solid Solution and Quenching", Proc. of 9th conference on Materials and Material Properties, June 1997, pp 431-442.
• B.H. Choe and et al. (5) : "Effects of Aging Heat Treatments on the Microstructure and Mechanical Properties of Ti-15-3 Alloy", Proc. of 7th Conference on Mechanical Behavior of Materials, October 1993, pp 59-70.
• B.H. Choe and et al. (3) : "Aging Hardening of Ti-15-3 Alloy used by TEM analysis", Proc. of 24th Meeting Abstract of Korean Inst, of Electron Microscope, June 1993.
• B.H. Choe and et al. (4) : "The Mechanical Properties of Ti3Al Intermetallics analysed by Microstructure and Phase Analysis", Proc. of 22th Meeting Abstract of Korean Inst, of Electron Microscope, June 1991.
• B.H. Choe and et al. (4) : "Effects of Thermo-mechanical Treatment on Microstructure and Mechanical Properties of Ti3Al Intermetallic Compound", 1991 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1991.
• B.H. Choe and et al. (4) : "Effects of Heat Treatments on Phase Transformation and Mechanical Properties of Ti3Al Intermetallic Compound", 1991 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1991.  

Part 2. Failure analysis of metals and machinery parts for oil, chemical, petroleum and electric power service lines

Books (2)

• B.H. Choe : "Failure Analysis for Metals", Jinyoung Book Company, Korea, February 1997, total about 300 pages.
• B.H. Choe and et al. : "Failure Analysis for Metals II", Point Book Company, Korea, August 2001, total 500 pages.

Internet Site (1)

• B.H. Choe et. al. : "Failure Analysis", http://......................, 2001.

International Papers (1)

• 1. B.H. Choe and H.C. Lee : "Cyclic Softening and Hardening Behavior of a Nickel-Base Superalloy", Scripta Metallurgica et Materialia, vol 32, 1995, pp 1283-1287.

Domestic Papers (10)

• B.H. Choe et al. (5) : "A Study on Grain Boundary Crack in Weld HAZ of Hastelloy Tube", J. Eng. Inst. KNU, vol 8, 2000, pp 53-61.
• B.H. Choe et al. (5) : "Material Damage Evaluation for HK-40 Reformer Tube at High Temperature", J. Eng. Inst. KNU, vol 6, 1998, pp 111-117.
• B.H. Choe : "Material Evaluation Technology of Chemical Plant Reforming Tube in High Temperature", J. of Korean Society of Mechanical Engineers, vol 38, 1998, pp 31-34.
• B.H. Choe and et al. (4) : "Effect of the Carbide Behavior on Creep Properties of HK-40 Heat Resistance Steel", J. of the Korean Inst. of Met & Mater., vol 35, 1997, pp 23-30.
• B.H. Choe and H.C. Lee : "THe Low Cycle Fatigue Life Evaluation of Mar-M247LC", J. of the Korean Inst. of Met & Mater., vol 34, 1996, pp 1132-1137.
• B.H. Choe and Y.T. Lee : "Recycle and Alloy Design of Steels", J. of Machine and Materials, KIMM, vol 8, 1996, pp 35-48.
• B.H. Choe and et. al. (2) : "Alloy Development of Centrifugally Cast Austenite Steel for Heat Resistance", Bulletin of the Korean Inst. of Met & Mater., vol 9, 1996, pp 663-674.
• J.K. Lee, B.H. Choe and C.C. Cho : "Hydrogen Embrittlement of Hydro- Cracking Pipe", J. of Corrosion Science Society of Korea, vol 23, 1994, pp 226-232.
• B.H. Choe and Y.T. Lee : "Steel Alloys using for Airplane Structures", J. of Machine and Materials, KIMM, vol 4, 1992, pp 51-62.
• B.H. Choe and H.C. Lee : "The Hot Embrittlement Mechanism of KS SPS 5 Spring Steel", J. of the Korean Inst. of Met & Mater., vol 26, 1988, pp 53-61.

Domestic Conference Proceedings (9)

• J.W. Kim, B.H. Choe and et al (4) : "Pipe Defect Analysis used by PRO/E and ANSYS", 2001 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 2001.
• B.H. Choe and et al (5) : "A Study on Grain Boundary Cracking of Hastelloy C-276 Tube in HAZ", 2000 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 2000.
• B.H. Choe : "The Failure Analysis and Procedure of Gas Line Pipe", 1st Workshop on Integrity Assessment of Pipeline, R&D Center of KOGAS, 2000, pp 39-67.
• B.H. Choe : "Life Prediction of Reformer Tube", SAFE Symposium, 1998, pp 56-67.
• B.H. Choe et al. (4) : "A Study on Creep Properties of Heat Resistance Cast Steel for Reformer Tube", 1998 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1998.
• B.H. Choe and et al. (4) : "A Study on Creep Properties of HK-40", 1996 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1996.
• B.H. Choe and et al. (4) : "Carbide Behavior HK-40 and HP-50 Reformer Tube", 4th Material Degradation and Life Prediction Symposium, 1994, pp
• C.C. Cho, B.H. Choe and et al. (4) : "Failure Analysis of the Pipeline Service", 1st Material Degradation and Life Prediction Symposium, 1991, pp 30-43.
• B.H. Choe and H.C. Lee : "The Hot Embrittlement Mechanism of KS SPS 5 Spring Steel", 1985 Spring Meeting Abstract of the Korean Inst. of Met & Mater., Autumn 1985.

Part 3. Nickel based Superalloys and Nickel aluminide intermetallics for high temperature alloys such as gas turbine parts

International Papers and Conference Proceedings (5)

• B.H. Choe and et al. (6) : "The Enhancement of Tensile Strength and Elongation in Two Phase (NiAl + Ni3Al) Intermetallics of Zr-doped Ni-20Al-27.5Fe Alloys", Materials Science and Engineering A, vol , 2001, pp
• J.H. Lee and B.H. Choe and et al. (2) : "The Effect of Zr in Two Phase (NiAl+Ni3Al) Alloy, Scripta Materialia, vol 40, 1999, pp 853-857.
• J.H. Lee, B.H. Choe and H.M. Kim : "Effect of Boron in Two Phase (NiAl+Ni3Al) Alloy, Materials Science and Engineering A, vol 152, 1992, pp 253-257.
• B.H. Choe and et al. (4) : "Thermomechanical Processing of Alloy 718", Proceeding of 2nd PRICM Symposium, 1995, pp
• S.J. Choe, B.H. Choe and et al. (5) : "R&D on Gas Turbine Materials", Proceeding of the KIMM-BIAM Joint Symposium on Advanced Aeronautical Materials, KIMM, 1994, pp 95-118.

Domestic Papers (13)

• I.H. Kim, B.H. Choe and et al. (4) : "The Relationship between Variation of Microstructure and Creep Properties by Heat Treatment on Mar-M247LC Superalloys", J. of the Korean Inst. of Met & Mater., vol 37, 1999, pp 266-272.
• B.H. Choe and et al. (4) : "Effect of Addition of Ti and Zr on the Microstructure and Mechanical Properties of Ni-Al-Fe Intermetallics", J. of the Korean Inst. of Met & Mater., vol 35, 1997, pp 1499-1505.
• B.H. Choe and et al. (2) : "A Study on the Phase Transformation of Titanium Alloys at the Solid Solution Treatment and Sub-zero Quenching", J. Eng. Inst. KNU, vol 4, 1996, pp 31-37.
• S.H. Kang, B.H. Choe and et al. (3) : "A Study on the gamma prime size and Creep Properties of Mar-M247LC Superalloy", J. of the Korean Inst. of Met & Mater., vol 33, 1995, pp 177-183.
• B.H. Choe and et al. (3) : "Effect of Nb Content on Precipitation Hardening Behavior of Alloy 718", J. of the Korean Inst. of Met & Mater., vol 32, 1994, pp 389-396.
• H.J. Ahn and B.H. Choe and et al. (3) : "Effect of Thermomechnical Treatment on the Microstructure and Mechanica Propertiesl of Alloy 718", J. of the Korean Inst. of Met & Mater., vol 32, 1994, pp 290-298.
• J.H. Lee, B.H. Choe and et al. (3) : "A Study on the Microstructure and Mechanical Properties of Two Phase Intermetallics", J. of Korea Inst. of Meterials and Machinery, vol 24, 1994, pp 161-174.
• H.J. Ahn, B.H. Choe and et al. (2) : "Variety of Nb Content on Microstructure, Mechanical Properties of Ni-Base Superalloy and Thermal Stability of Gamma Double Prime Phase on Aging", J. of Industry and Tech. Inst. at Changwon Univ., vol 8, 1994, pp 131-143.
• B.H. Choe and et al. (2) : "Effect of Fe Addition on the Microstructure and Mechanical Properties of Ni-Aluminide Intermetallics", J. of the Korean Inst. of Met & Mater., vol 31, 1993, pp 810-817.
• B.H. Choe and et al. (2) : "The Effect of Strain Rate on the High Temperature Low Cycle Fatigue Properties of CM247LC Superalloy", J. of the Korean Inst. of Met & Mater., vol 30, 1992, pp 807-812.
• B.H. Choe and N.K. Park : "The Effect og Hot Isostatic Pressing and Post Heat-treatment on the Characteristics of Prior Particle Boundaries of Rene 95 Superalloy", J. of the Korean Inst. of Met & Mater., vol 32, 1994, pp 1047-1055.
• C.C. Cho, B.H. Choe and et al. (3) : "A Study on the Microstructure and Mechanical Properties of Fe Aluminide Alloys", J. of Korea Inst. of Meterials and Machinery, vol 22. 1992, pp 115-125.
• B.H. Choe and et al. (3) : "Low Cycle Fatigue Properties of Polycrystalline and Directionally Solidified CM247 Superalloy", J. of the Korean Inst. of Met & Mater., vol 29, 1991, pp 618-625.

Domestic Conference Proceedings (22)

• B.H. Choe and et al. (4) : "A Study on Creep Properties of Ni-Al-Fe Aluminide Alloys", 2000 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 2000.
• I.H. Kim, B.H. Choe and et al. (4) : "Effect of Heat Treatment on the Creep Behavior of Cast Alloy 718", 1999 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1999.
• B.H. Choe and et al. (4) : "Effect of Interface Shape on Creep Properties of Cast Type Superalloys", 1999 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1999.
• B.H. Choe : "Alloy Development for High Temperature Ni Aluminides", 1998 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1998.
• B.H. Choe : "Alloy Development of Ni-Al-Fe Aluminide", 1997 UNITEF Symposium, June 1997.
• I.H. Kim, B.H. Choe and et al. (4) : "Creep Properties along Solid Solution Treatment and Microstructure of Mar-M247LC Superalloy", 1997 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1997.
• B.H. Choe and et al. (4) : "Effect of Heat Treatment on Creep Properties of Mar-M247LC Superalloy", 1996 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1996.
• B.H. Choe and et al. (4) : "Effect of Homogenization Treatment and Microstructure on the Creep Properties of Alloy 718", 1996 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1996.
• S.H. Kang, B.H. Choe and et al. (3) : "A Study on Gamma Prime Size and the Creep Properties of Mar-M247LC Superalloy", 1994 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1994.
• B.H. Choe and et al. (4) : "A Study on the Microstructure and Mechanical Properties of Ni-Aluminide Intermetallics", 1993 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1993.
• B.H. Choe and et al. (3) : "Age Hardening Behavior of Alloy 718", 1993 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1993.
• J.H. Lee, B.H. Choe and et al. (3) : "Effect of Zr Addition on (NiAl + Ni3Al) Two Phase Alloys", 1993 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1993.
• B.H. Choe and et al. (4) : "Effect of Gamma Prime Size on the Mechanical Properties of Mar-M247LC Superalloy", 1993 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1993.
• B.H. Choe and et al. (4) : "Effects of Thermo-mechanical Treatments on the Microstructure and Mechanical Properties of Ni-based Alloy 718", Proc. of the 6th Conference on Mechanical Behavior of Materials, November 1992, pp 101-110.
• B.H. Choe and et al. (4) : "Effect of Ti and Cr Addition on the Mechanical Properties of Ni-Al-Fe Intermetallics", 1992 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1992.  
• J.H. Lee, B.H. Choe and et al. (3) : "Effects of Thermo-mechanical Treatment and Microstructure on the Mechanical Properties of Ni-Aluminide Intermetallics", 1992 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1992.
• C.C. Cho, B.H. Choe and et al. (4) : "A Study on the Microstructure and Mechanical Properties of Fe-Al Intermetallics for High Temperature Structure", 1992 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1992.
• J.H. Lee, B.H. Choe and et al. (3) : "Effects of Boron Addition on Microstructure and Compressive Fracture Properties of (NiAl + Ni3Al) Two Phase Alloys", 1991 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1991.
• J.H. Lee, B.H. Choe and et al. (2) : "The Microstructure and Mechnical Properties of (NiAl + Ni3Al) Two Phase Alloys Added by the 3rd Elements", 1991 Autumn Meeting Abstract of the Korean Inst. of Met & Mater., October 1991.
• N.K. Park, B.H. Choe and et al. (2) : The Effect of Thermo-mechanical Treatment on High Temperature Recrystallization of Rene95 Superalloy", Korea Material Society, Spring Meeting and Abstract, 1991.
• B.H. Choe and et al. (4) : "Effect of Gamma Prime Size on the Low Cycle Fatigue Properties of Mar-M247LC Superalloy", 1990 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1990.
• C.Y. Cho, B.H. Choe and et al. (3) : "A Study on the Surface Recrystallization and High Temperature Mechanical Properties of Directionally Solidified CM247LC SUperalloy", 1989 Spring Meeting Abstract of the Korean Inst. of Met & Mater., April 1989.