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Thak Sang Byun
R&D Staff Member
Nuclear Materials Science & Technology Group
Materials Science & Technology Division
Oak Ridge National Laboratory
P.O.Box 2008
Oak Ridge, TN 37831-6138
Phone: (865) 576-7738
Fax: (865) 241-3650
e-mail: byunts@ornl.gov

Selected Publications:

  1. T. S. Byun and I. S. Kim, "Stress and Strain Partition in the Elastic and Plastic Deformation of Two Phase Alloys," J. of Mater. Sci. 26 (1991) 3917-3925.
  2. T. S. Byun and I. S. Kim, "Tensile Properties and Inhomogeneous Deformation of Ferrite-Martensite Dual Phase Steels," J. of Mater. Sci. 28 (1993) 2923-2932.
  3. T. S. Byun, J. W. Kim, and J. H. Hong, “A Theoretical Model for Determination of Fracture Toughness of Reactor Pressure Vessel Steels in the Transition Region from Automated Ball Indentation Test,” J. of Nucl. Mater. 252 (1998) 187-194.
  4. T. S. Byun, B. S. Lee, Y. J. Hyun, and J. H. Hong, “An Iteration Method for Directly Determining J-Resistance Curves of Nuclear Structural Steels,” J. of Mater. Sci.  34 (1999) 2039-2047.
  5. T. S. Byun, S. H. Kim, B. S. Lee, I. S. Kim, and J. H. Hong, “Estimation of Fracture Toughness Curves of RPV Steels from Ball Indentation and Tensile Test Data,” J. of Nucl. Mater. 277 (2000) 263-273.
  6. T.S. Byun, E.H. Lee, J.D. Hunn, K. Farrell, L.K. Mansur, “Characterization of Plastic Deformation in a Disk Bend Method,” J. of Nucl. Mater. 294 (2001) 256-266.
  7. E.H. Lee, T.S. Byun, J.D. Hunn, M.H. Yoo, K. Farrell and L.K. Mansur, “ On the Origin of Deformation Microstructures in Austenitic Stainless Steel: Part I- Microstructures,” Acta Mater. 49 (2001) 3269-3276.
  8. E.H. Lee, M.H. Yoo, T.S. Byun, J.D. Hunn, K. Farrell and L.K. Mansur, “On the Origin of Deformation Microstructures in Austenitic Stainless Steel: Part II-Mechanisms,” Acta Mater. 49 (2001) 3277-3287.
  9. K. Farrell, and T.S. Byun, “Tensile Properties of Candidate SNS Target Container Materials after Proton and Neutron Iirradiation in the LANSCE Accelerator,” J. of Nucl. Mater. 296 (2001) 129-138.
  10. T.S. Byun, K. Farrell, E.H. Lee, J.D. Hunn, L.K. Mansur, “Strain Hardening and Plastic Instability Properties of Austenitic Stainless Steel after Proton and Neutron Irradiation,” J. of Nucl. Mater. 298 (2001) 269-279.
  11. T.S. Byun, K. Farrell, E.H. Lee, L.K. Mansur, S.A. Maloy, M.R. James, and W.R. Johnson, “Temperature Effects on the Mechanical Properties of Candidate SNS Target Container Materials after Proton and Neutron Irradiation,” J. of Nucl. Mater. 303 (2002) 34-43.
  12. T. S. Byun and K. Farrell, “Tensile Properties of Inconel 718 after Low Temperature Neutron Irradiation,” J. of Nucl. Mater. 318 (2003) 292-299.
  13. T. S. Byun, “On the Stress Dependence of Partial Dislocation Separation and Deformation Microstructure in Austenitic Stainless Steels,” Acta Mater. 51 (2003) 3063-3071.
  14. T. S. Byun, E. H. Lee, and J. D. Hunn, “Plastic Deformation in 316LN Stainless Steel – Characterization of Deformation Microstructures,” J. of Nucl. Mater. 321 (2003) 29-39.
  15. T. S. Byun and K. Farrell, “Plastic Instability in Polycrystalline Metals after Low Temperature Irradiation,” Acta Mater. 52 (2004) 1597-1608.
  16. T. S. Byun and K. Farrell, “Irradiation Hardening Behavior of Polycrystalline Metals after Low Temperature Irradiation,” J. of Nucl. Mater. 326 (2004) 86-96.
  17. T. S. Byun, K. Farrell, and N. Hashimoto, “Plastic Instability Behavior of bcc and hcp Metals after Low Temperature Neutron Irradiation,” J. of Nucl. Mater. 329-333 (2004) 998-1002.
  18. K. Farrell, T.S. Byun, N. Hashimoto, “Deformation Mode Maps for Tensile Deformation of Neutron-irradiated Structural Alloys,” J. of Nucl. Mater. 335 (2004) 471-486.
  19. T. S. Byun, N. Hashimoto, K. Farrell, “Temperature Dependence of Strain Hardening and Plastic Instability Behaviors in Austenitic Stainless Steels,” Acta Materialia, 52 (2004) 3889-3899.
  20. N. Hashimoto, T.S. Byun, K. Farrell K, S.J. Zinkle, “Deformation microstructure of neutron-irradiated pure polycrystalline vanadium,” J. of Nucl. Mater. 336 (2005) 225-232.
  21. T. S. Byun, N. Hashimoto, K. Farrell, “Characteristics of Microscopic Strain Localization in Irradiated 316 Stainless Steels and Pure Vanadium,” J. of Nucl. Mater. 349 (2006) 251-264.
  22. T. S. Byun, N. Hashimoto, and K. Farrell, “Deformation Mode Map of Irradiated 316 Stainless Steel in True Stress-dose space”, J. of Nucl. Mater. 351 (2006) 303-315.
  23. T. S. Byun, N. Hashimoto, “Strain Hardening and Long-Range Internal Stress in the Localized Deformation of Irradiated Polycrystalline Metals,” J. of Nucl. Mater. 354 (2006) 123-130.
  24. T. S. Byun, N. Hashimoto, “Strain Localization in Irradiation Materials,” Nucl. Engi. Tech,, 38 (2006) 619-638 (Invited Paper).
  25. T. S. Byun, S.G. Hong, L.L. Snead, Y. Katoh, “Fracture Stress of SiC Layer in Coated Particle Fuel,” Trans. Am. Nucl.  Soc. 94 (2006) 680-681.
  26. T. S. Byun, N. Hashimoto, “Strain Hardening during Mechanical Twining and Dislocation Channeling in Irradiated 316 Stainless Steels,” J. of ASTM Inter. 4(8) (2007).
  27. T. S. Byun, “Dose Dependence of True Stress Parameters in Irradiated bcc, fcc, and hcp Metals,” J. of Nucl. Mater. 261 (2007) 239-247.
  28. S.G. Hong, T.S. Byun, R.A. Lowden, L.L. Snead, Y. Katoh, “Evaluation of the Fracture Strength for SiC Layers in the TRISO-coated Fuel Particle,” J. of the Amer. Ceramics. Soc. 90 (2007) 184-191.
  29. T. S. Byun, E. Lara-Curzio, L. L. Snead, Y. Katoh, “Miniaturized Fracture Stress Tests for Thin-Walled Tubular SiC Specimens,” J. of Nucl. Mater. 367-370 (2007) 653-658.
  30. M. Li, N. Hashimoto, T. S. Byun, L.L. Snead, S.J. Zinkle, “Defect Cluster Formation and Radiation Hardening in Molybdenum Neutron-Irradiated at 80oC,” J. of Nucl. Mater. 367-370 (2007) 817-822.
  31. M. Li, T. S. Byun, N. Hashimoto, L. L. Snead, S. J. Zinkle, “The Temperature Dependence of the Yield Stress for Neutron-Irradiated Molybdenum,” J. of Nucl. Mater. 371 (2007) 53-60.
  32. T. S. Byun, S. A. Maloy, “Dependence of Mechanical Properties in Tantalum and Tantalum Alloys after Low temperature Irradiation,” J. of Nucl. Mater. 377 (2008) 72-79.
  33. T. S. Byun, K. Farrell, M. Li, “Deformation in Metals after Low Temperature Irradiation: Part I – Mapping Macroscopic Deformation Modes on True Stress-Dose Plane,” Acta Mate. 56 (2008) 1044-1055.
  34. T. S. Byun, K. Farrell, M. Li, “Deformation in Metals after Low Temperature Irradiation: Part II – Irradiation Hardening, Strain Hardening, and Stress Ratios,” Acta Mater. 56 (2008) 1056-1064.
  35. C. Shin, H. H. Jin, J. H. Kwon, J. H. Shim, T. S. Byun, “Mechanism for Unfaulting of an Extrinsic Frank Loop with < 112 > Edges by Glide Dislocations,” J. of Korean Phys. Soc., 52 (2008) 1250-1254.  
  36. T. S. Byun, M. Li, L. L. Snead, “Deformation and Fracture Properties in Neutron Irradiated Pure Mo and Mo Alloys,” J. of Nucl. Mater. 376 (2008) 240-246.

 




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