Ian G. Wright

Distinguished Staff Member
Corrosion Science and Technology Group
Materials Science & Technology Division
Oak Ridge National Laboratory
PO Box 2008, Mail Stop 6156
1, Bethel Valley Road
Oak Ridge, Tennessee 37831-6156
865-574-4451
wrightig@ornl.gov

Manager, Structural Materials and Coatings
ORNL Fossil Energy Program

Education

  • B.Sc., Chemical Engineering, University of Manchester Institute of Science & Technology
  • M.Sc., Corrosion Science, UMIST
  • Ph.D., Corrosion Science, UMIST

Research Interests

  • High-temperature materials and processes: understanding the mechanisms of degradation of materials at high temperatures and in hostile environments, and devising routes for improved protection.

Professional Activities

  • US Coordinator and Technical Task Leader in UK-US Collaboration in Fossil Energy: Advanced Materials
  • Chairman, 2003 Gordon Research Conference on High-Temperature Corrosion
  • Co-chairman of the 5th and 6th International Symposia on High-Temperature Corrosion and Protection of Materials, Les Embiez, France, 2000 and 2004.
  • Editor of the DOE/EPRI Newsletter on Materials and Components in Fossil Energy Applications
  • Editor (for North America), Journal: Materials at High Temperatures
  • Lead technical oversight on U.S. Department of Energy (DOE) Advanced Turbine Systems (ATS) program Materials & Manufacturing subcontracts on thermal barrier coatings development (1995-2000)
  • Technical oversight on ATS program for improvements in single crystal airfoil manufacturing (1995-2000)
  • ASM International, Member: Utilities and Energy Sector
  • ASME International, Member: IGTI Coal, Biomass, and Alternative Fuels Committee
  • NACE International, Fellow: Specific Technology Group on Energy Generation (STG 41); Technology Exchange Committees on Fossil Fuel Combustion and Conversion (TEG 183X), and Materials in Incineration and Combustion/Pyrolysis of Waste Fuels and Associated Pollution Control Equipment (TEG 091X)
  • Member, ISO Committee on Test Methods for Isothermal Oxidation Testing at Elevated Temperatures for Metallic Materials

Recent Research Topics

  • Underlying High-Temperature Degradation Issues
    • Development and breakdown of protective oxide scales in sulfidizing environments
    • Erosion-corrosion studies of high-temperature alloys
    • Modeling of the simultaneous processes of scale growth by high-temperature oxidation and removal by erosive impact
    • Quantification of corrosion rates of commercial alloys for use with the predictive database: Alloy Selection for Service at Elevated temperatures (ASSET)
    • Oxide growth and exfoliation in steam
  • Coal Combustion and Conversion
    • Investigation of techniques to reduce fireside corrosion and fly ash erosion in coal-fired steam generators
    • Definition and quantification of the role of chlorine in fireside corrosion in coal-fired boilers
    • Determination of the causes and solutions for circumferential cracking in supercritical steam generators
    • Materials issues for ultra-supercritical steam turbines
    • Definition of causes of boiler tube failures in waste-to-energy plants
    • Erosion of coatings for valves in coal-fired diesel engines
    • Determination of factors controlling metal loss of in-bed tubes in fluidized-bed combustors
  • ODS Alloys
    • Evaluation of performance in advanced fossil energy systems
    • Development of approaches for quantitatively predicting the oxidation-limited lifetime of high-temperature alloys
    • Joining techniques
    • Processing modification to improve creep strength
  • Advanced Gas Turbine Alloys and Coatings
    • Development of improved bond coatings for maximizing lifetimes of thermal barrier coatings
    • Materials issues for syngas-fired turbines
  • Exploration of novel approaches for designing oxidation-resistant refractory metal alloys

Recent Publications and Presentations

  1. I.G. Wright, B.A. Pint, W.Y. Lee, K.B. Alexander, and K. Prübner, “Some effects of metallic substrate composition on degradation of thermal barrier coatings,” pp. 95-113 in High-Temperature Surface Engineering, J. Nicholls and D. Rickerby, Eds., Book 693, IOM Communications Ltd. (2000).
  2. I.G. Wright, C. Leyens, and B.A. Pint, “An assessment of the threat of deposition, erosion, or corrosion from fuels derived from the gasification of biomass.” ASME paper No. 2000-GT-19, (2000).
  3. I.G. Wright and B. A. Pint, "Some effects of interactions among minor element additions on the high-temperature oxideation behavior of Ni-base alumina-forming alloys," p. 86 in Proc. SF2M 2000: Journées d’automne, Société Française de Métallurgie et de Matériaux, Paris (2000)
  4. I.G. Wright, B.A. Pint, and P.F. Tortorelli, “High-temperature oxidation behavior of ODS-Fe3Al,” Oxidation of Metals, 55 (3/4), 333-357 (2001).
  5. I.G. Wright, B.A. Pint, L.M. Hall, and P.F. Tortorelli, “Oxidation Lifetimes: Experimental Results and Modeling,” pp. 339-358 in Lifetime Modeling of High-Temperature Corrosion Processes, Proc. European Federation of Corrosion Workshop, M. Schütze, W. J. Quadakkers, and J. R. Nicholls, Eds., EFC Publication No. 34, Maney Publishing (2001).
  6. I.G. Wright, “Is there any reason to continue research efforts in erosion-corrosion?" Proc. John Stringer Symposium on High Temperature Corrosion, ASM International, 2001.
  7. I.G. Wright, “Overview of Factors Affecting Lifetime of TBCs in Land-Based Gas Turbines," Intl. Conf. on Advances in Life Assessment and Optimization of Fossil Power Plants,” Sheraton World Resort, Orlando, Florida, March 11-13, 2002.
  8. I.G. Wright, “Development Needs for TBCs for Land-Based Gas Turbines,” Intl. Conf. on Advances in Life Assessment and Optimization of Fossil Power Plants,” Sheraton World Resort, Orlando, Florida, March 11-13, 2002.
  9. I.G. Wright and B.A. Pint, “An assessment of the high-temperature oxidation behavior of Fe-Cr steels in water vapor and steam,” NACE paper no. 02377 (2002).
  10. I.G. Wright, “Factors affecting the performance of bond coatings,” Intl. Symposium: TurbOMat: Advanced Thermal barrier Coatings and Titanium Aluminides for Gas Turbines, Bonn, Germany, June 2002.
  11. I.G. Wright, “High-Temperature Materials Needs for Power Generation,” Molybdenum Boro-Silicide Workshop, Annapolis, Maryland, March 11-12, 2003
  12. I.G. Wright, B.A. Pint, and C.G. McKamey, “ODS alloy development,” 17th Annual Fossil Energy Materials Conference," Baltimore, Maryland, April 2003.
  13. I.G. Wright and B.A. Pint, “Materials Research in Support of Industrial Gas Turbines,” Proc. First International Conference on Industrial Gas Turbine Technologies, 10-11 July 2003, Brussels, Belgium.
  14. I.G. Wright, J. Stringer, and J.M. Wheeldon, “Materials Issues in Bubbling PFBC Systems,” Materials at High Temperatures, 20 (2), 219-230 (2003).
  15. I.G. Wright and P.F. Tortorelli, “What do we know already, and what do we think that we need to know about scale growth and exfoliation in steam?” EPRI-NPL Workshop on Scale Growth and Exfoliation in Steam Plant, National Physical Laboratory, Teddington, England, Sept. 3-5, 2003.
  16. I.G. Wright, B.A. Pint, Y. Zhang, R.A. Bishop, J.C. Farmer, A. F. Jankowski, and R.B. Rebak, “Preliminary high-temperature oxidation data in steam-CO2 in support of the ZEST process,” NACE/Corrosion 2004, New Orleans, March 2004.
  17. I.G. Wright, P.J. Maziasz, F.V. Ellis, T.B. Gibbons, and D.A. Woodford, “Materials issues for turbines for operation in ultra-supercritical steam,” Proc. 29th International Technical Conference on Coal Utilization & Fuel Systems, Clearwater, Florida, April 21, 2004.
  18. I.G. Wright, R. Peraldi, and B.A. Pint, “Influence of aluminum depletion effects on the calculation of the oxidation lifetimes of FeCrAl alloys,” 6th International Symposium on High-Temperature Corrosion and Protection of Materials, Les Embiez, France, May 2004.
  19. I.G. Wright, M. Schütze, S.R. Paterson, P.F. Tortorelli, and R.B. Dooley, “Progress in prediction and control of oxide scale exfoliation on superheater and reheater alloys,” Proc. Fourth International Conference on Boiler Tube and HRSG Tube Failures and Inspections, San Diego, CA, 2-5 November 2004.
  20. I.G. Wright and B.A. Pint, “Bond coating issues in thermal barrier coatings for industrial gas turbines,” Proc. IMechE, Journal of Power and Energy, 219, 101-107 (2005).
  21. I.G. Wright, B.A. Pint, and Z.P. Lu, "Overview of ODS alloy development,” Presented at the 19th Annual Conference on Fossil Energy Materials, Knoxville, Tennessee, May 9th-11th, 2005.

Recent Co-Authored Publications

  1. J.A. Haynes, B.A. Pint, K.L. More, Y. Zhang, and I.G. Wright, “Influence of Sulfur, Platinum and Hafnium on the Oxidation Behavior of CVD NiAl Bond Coatings,” Oxidation of Metals, 58 (5/6), 513-544 (2002).
  2. R. C. John, A. D. Pelton, A. L. Young, W. T. Thompson, I. G. Wright, and T. M. Besmann, “Corrosion of Metals in Hot Corrosive Gases,” Advanced Materials & Processes, 160 (3), 27-31 (2002).
  3. B.A. Pint, K.L. More, I.G. Wright, “The use of two reactive elements to optimize oxidation performance of alumina-forming alloys,” Proc. 5th Microscopy of Oxidation Conference, Limerick, Ireland, S. Newcomb and G. Tatlock, Eds., Special Issue of Materials at High Temperatures (2003).
  4. B. A. Pint, P. F. Tortorelli, and I. G. Wright, “Effect of cycle frequency on high-temperature oxidation behavior of alumina-forming alloys,” Oxidation of Metals, 58 (1/2), 73-101 (2002).
  5. B.A. Pint and I.G. Wright, “Long-term high-temperature oxidation behavior of ODS ferritics,” J. Nuclear Materials, 307-311, 763-768 (2002).
  6. P.D. Sketchley, P.L. Threadgill, and I.G. Wright, “Rotary friction welding of an Fe3Al-based ODS alloy,” Mat. Sci. & Eng. A-Structural Materials Properties, Microstructures, and Processing, Special Issue, 329, 756-762 (2002).
  7. R. W. Swindeman, P. J. Maziasz, I. G. Wright, and J. Tanzosh, Damage Assessment of Grade 91 Specimens Removed from Long Time Creep Tests,” paper presented at the EPRI/DOE conference on Advances in Life Assessment and Optimization of Fossil Power Plants, Sheraton World Resort, Orlando Florida, March 12, 2002.
  8. M.P Brady, I.M. Anderson, M.L. Weaver, H.M. Meyer, L.R. Walker, M.K. Miller, D.J. Larson, I.G. Wright, V.K. Sikka, A. Rar, G.M. Pharr, J.R. Keiser, and C.A. Walls, “Nitrogen impurity gettering in oxide dispersion ductilized chromium,” Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing 358 (1-2), 243-254 15 (2003).
  9. B. Kad, J. H. Heatherington, C. G. McKamey, I. G. Wright, V. K. Sikka, and R. R. Judkins, “Optimization of oxide dispersion-strengthened Fe3Al alloy properties for heat exchanger applications,” pp. 939-953 in Parsons 2003: Engineering Issues in Turbine Machinery, Power Plant and Renewables, Eds. A. Strang, et al., Maney, for the Institute of Materials, Minerals, and Mining (2003).
  10. B.A. Pint, K.L. More, I.G. Wright, “Effect of quaternary additions on the oxidation behavior of Hf-doped NiAl,” Oxidation of Metals, 59 (3-4), 257-283 (2003).
  11. J. Ritherdon, A. R. Jones, U. Müller, and I. G. Wright, “Improving the high-temperature performance in ODS alloys for application in advanced power plant,” pp. 927-938 in Parsons 2003: Engineering Issues in Turbine Machinery, Power Plant and Renewables, Eds. A. Strang, et al., Maney, for the Institute of Materials, Minerals, and Mining (2003).
  12. J. Ritherdon, A.R. Jones, and I.G. Wright, “Oxidation of mechanically-alloyed powders during processing: origins and control,” Powder Metallurgy, 46 (4), 319-323 (2003).
  13. J. Stringer and I. G. Wright, “Future Directions for High-Temperature Oxidation and Corrosion Research,” Proc. 203rd Meeting of The Electrochemical Society, Paris, France, April 27-May 2, 2003.
  14. J. Stringer and I. G. Wright, “Materials Issues in Advancing Energy Technologies,” Proc. International Symposium: Corrosion Science in the 21st Century, University of Manchester Institute of Science and Technology, Manchester, England, 6-11 July, 2003.
  15. R. A. Wenglarz and I. G. Wright, “Alternative Fuels for Land-Based Turbines,” pp. 4-45 to 4-64 in Proc. Workshop on Materials and Practices to Improve Resistance to Fuel-Derived Environmental Damage in Land- and Sea-Based Turbines, EPRI report No. 1009173, Oct. 2003.
  16. Y. Zhang, J. A. Haynes, B. A. Pint, I. G. Wright, and W. Y. Lee, “Martensitic transformations in CVD NiAl and (Ni,Pt)Al bond coatings,” Surface and Coatings Technology, 163-164, 19-24 (2003).
  17. J.A. Haynes, B.A. Pint, W.D. Porter, and I.G. Wright, “Comparison of thermal expansion and oxidation behavior of various high-temperature coating materials and superalloys,” Materials at High Temperatures, 21 (2), 87-94 (2004).
  18. R.C. John, A.D. Pelton, A.L. Young, W.T. Thompson, and I.G. Wright, “Predicting equipment lifetimes with high-temperature corrosion data,” Material Science Forum, 461-464, 599-610 (2004).
  19. B.A. Pint, J.A. Haynes, K.L. More, and I.G. Wright, “The use of model alloys to understand and improve the performance of Pt-modified aluminide coatings,” pp. 597-606 in Superalloys 2004, T.M. Pollock, et al., Eds., TMS Warrendale, PA (2004).
  20. B.A. Pint, K.L. More, and I.G. Wright, “The use of two reactive elements to optimize oxidation behavior of alumina-forming alloys,” Materials at High Temperatures, pp. 129-140, in Special Issue: Proc. 5th International Conference on the Microscopy of Oxidation, Limerick, Ireland (2004).
  21. B.A. Pint, L.R. Walker, and I.G. Wright, “Characterization of the Breakaway Al Content in Alumina-Forming Alloys,” Materials at High Temperatures, 21 (3), 175-185 (2004).
  22. B.A. Pint, and I.G. Wright, “The oxidation behavior of Fe-Al alloys,” Material Science Forum, 461-464, 799-806 (2004).
  23. J. A. Wang, Ian G. Wright, Michael J. Lance, Ken C. Liu, “An Innovative Technique for Thin Film Interface Toughness Research, ORNL/TM-2004/221, October 2004.
  24. Y. Zhang, B.A. Pint, J.A. Haynes, I.G. Wright, and P.F. Tortorelli, Oxidation of Metals, 62, 103 (2004).
  25. F.V. Ellis, I.G. Wright, and P.J. Maziasz, “Review of Turbine Materials for Use in Ultra-Supercritical Steam Cycles,” pp. 535-551 in Advances in Materials Technology for Fossil Power Plants, Proc. 4th Intl. Conf., Hilton Head Island, South Carolina, (2005).
  26. P.J. Maziasz, I.G. Wright, J.P. Shingledecker, T.B. Gibbons, and R.R. Romanosky, “Defining the Materials Issues and Research Needs for Ultra-Supercritical Steam Turbines,” pp. 602-622 in Advances in Materials Technology for Fossil Power Plants, Proc. 4th Intl. Conf., Hilton Head Island, South Carolina, (2005).
  27. G. Kunschert, W. Glatz, M. Janousek, R. Zach, M.P. Brady, and I.G. Wright,” Industrial scale-up of a ductile Cr-MgO Alloy,” Paper No. RM104, pp. 1047-1059, in Proc. 16th International Plansee Seminar, Vol. 1, G. Kneringer, P. Rödhammer, and H. Wildner, Eds., RWF, Werbegesellschaft G.m.b.H., Wattens, Tyrol, Austria (2005).
  28. B.A. Pint and I.G. Wright, “Oxidation behavior of ODS Fe-Cr alloys,” Oxidation of Metals, 63 (3-4), 193-213 (2005).
  29. J. Ritherdon, H. Al-Badairy, A.R. Jones, G.J. Tatlock, and I.G. Wright, “The effects of milling conditions on the subsequent oxidation behaviour of mechanically alloyed Fe3Al-based powders,” Journal de Physique IV, 124, 9-15 (2005).
  30. J. A. Wang, Ian G. Wright, Michael J. Lance, Ken C. Liu, “Determination of Interfacial Fracture Toughness for Thin Film Coating Materials,” 2005 ASME Pressure Vessel Piping Conference, July 17-21, 2005, Denver, Colorado.
  31. J. A. Wang, Ian G. Wright, Michael J. Lance, Ken C. Liu , “Interface Fracture Toughness Evaluation for MA956 Oxide Film,” 2005 ASM International Surface Engineering Congress, August 1-3, 2005, St. Paul, Minnesota.

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