Diffraction and Thermophysical Properties Group

   Group

  Diffraction User Center
  Residual Stress User Center
  Thermophysical Properties User Center
  Diff. and Therm. Prop. Group
  High Temperature Materials Laboratory
  Metals and Ceramics Division
  Oak Ridge National Laboratory

Wallace D. Porter

Publications:

 

Journal Articles:

  1. "The Role of NZP Additions in Plasma-Sprayed YSZ: Microstructure, Thermal Conductivity and Phase Stability Effects". Trice, R. W., Su, Y. S., Faber, K. T., Wang, H., and Porter, W. D., Mater Sci Engr A (accepted for publication).
  2. "Mechanical Properties and Fracture Behavior of Interfacial Alumina Scales on Plasma-Sprayed Thermal Barrier". Haynes, J. A., Ferber, M. K., Porter, W. D., and Rigney, E. D.; Mater High Temp (accepted for publication).
  3. "Characterization of Alumina Scales Formed During Isothermal and Cyclic Oxidation of Plasma-Sprayed TBC Systems at 1150 C". Haynes, J. A., Ferber, M. K., Porter, W. D., and Rigney, E. D.; Oxid Met (accepted for publication).
  4. "Thermal properties of Ti3SiC2". Barsoum, M.W., El-Raghy, T., Rawn, C. J., Porter, W. D., Wang, H., Payzant, E. A., and Hubbard, C. R., J Phys Chem Solids 60: (4) 429-439 April, 1999.
  5. "Unique Phase Transition in As-cast FeAl-based Material". Jordan, A. D., Uwakweh, O. N. C., Maziasz, P. J., and Porter, W. D., Scripta Mater 40: (6) 711-715 February 19, 1999.
  6. "The Effect of Grain Size and Yttria Content on the Thermal Conductivity of Nanocrystalline Zirconia". Raghavan, S., Wang, H., Dinwiddie, R. B., Porter, W. D., and Mayo, M. J., Scripta Mater 39: (8) 1119-1125 September 15, 1998.
  7. "High Temperature Phase Transformation in Rhombohedral Bismuth Strontium Oxide". Payzant, E. A., Porter, W. D., and Hubbard, C. R., Thermochim Acta 318: (1-2) 45-50 September 7, 1998.
  8. "Thermophysical Property Measurements on Low Alloy High Strength Carbon Steels". Li, M., Brooks, J. A., Atteridge, D. G., and Porter, W. D., Scripta Mater 36: (12) 1353-1359 June 15, 1997
  9. "Oxidation and Degradation of a Plasma-sprayed Thermal Barrier Coating System". Haynes, J. A., Rigney, E. D., Ferber, M. K., and Porter, W. D., Surf Coat Tech 87-8: (1-3) 102-108, Part 1, December 1, 1996.
  10. "Maximum Heating Rates for Producing Undistorted Glassy Carbon Ware Determined by Wedge-shaped Samples". Maleki, H., Holland, L. R., Jenkins, G. M., Zimmerman, R. L., and Porter, W. D., J Mater Res 11: (9), 2368-2375, Sept. 1996
  11. "Powder Synthesis, Sintering, and Characterization of Ba1+xZr4P6-2xSi2xO24 - A Low Thermal Expansion System". Shanmugham, S., More, K. L., Stinton, D. P., Hubbard, C. R., Cavin, O. B., Porter, W. D., Henson, T. J., and Limaye, S. Y., Scripta Metall Mater, 32: (12), 1967-1972, June 15, 1995.
  12. "The Low Temperature Hexagonal to Orthorhombic Transformation in Si3N4 Reinforced BAS Matrix Composites". Bandyopadhyay, A., Aswath, P. B., Porter, W. D., and Cavin, O. B, J Mater Res 10: (5), 1256-1263, May 1995
  13. "Crystallization of Precursors to Forsterite and Chromium-doped Forsterite". Park, D. G., Martin, M. H. F., Ober, C. K., Burlitch, J. M., Cavin, O. B., Porter, W. D., and Hubbard, C. R., J Am Ceram Soc, 77: (1) 33-40, January 1994.
  14. "High Temperature Structural Stability of Chemically Vapor-deposited Silicon Carbide Filaments". Lara-Curzio, E., Sternstein, S. S., Hubbard, C. R., Cavin, O. B., and Porter, W. D., Mat Sci Eng A-Struct, 172: (1-2), 167-171, November 30, 1993.
  15. "Cubic to Tetragonal Displacive Transformation in Gd203-Bi203 Ceramics". Su, P., Virkar, A. V., Hubbard, C. R., Cavin, O. B., and Porter, W. D., J Am Ceram Soc, 76: (10), 2513-2520, October 1993.
  16. "Thermal Expansion Data on Several Iron- and Nickel-Aluminide Alloys". Porter, W. D., and Maziasz, P. J., Scripta Metall Mater 29: (8), 1043-1048, October 15, 1993.
  17. "Effect of Grain Structure on Phase Transformation Events in the Inconel 718". Dahotre, N. B., McCay, M. H., McCay, T. D., Hubbard, C. R., and Porter, W. D., Scripta Metall Mater 28: (11), 1359-1364, June 1, 1993.
  18. "Effect of Iron Additions on Structure of Laves Phases in Nb-Cr-Fe Alloys". Grujicic, M., Tangrila, S., Cavin, O. B., Porter, W. D., and Hubbard, C. R., Mat Sci Eng A-Struct 160: (1), 37-48, January 15, 1993.
  19. "Phase Development in the Bi2Sr2CaCu2Oy System: Effects of Oxygen Pressure". List, F. A., Hsu, H., Cavin, O. B., Porter, W. D., Hubbard, C. R., and Kroeger, D. M., PHYSICA C 202: (1-2), 134-140, November 1, 1992.
  20. "Poly (Methacrylate) Precursors to Forsterite". Martin, M. H. E., Ober, C. K., Hubbard, C. R., Porter, W. D., and Cavin, O. B., J Am Ceram Soc, 75: (7), 1831-1838, July 1992.
  21. "Bend Ductility, Creep Strength and Physical Properties of Extruded Chromium-Modified Al3Ti". Schneibel, J. H., Horton, J. A., and Porter, W. D., Mat Sci Eng A-Struct, 152: (1-2), 126-131, May 15, 1992.
  22. "Transmission Electron Microscopy Study of Dislocation Structures in Iron-doped Al3Ti with the L12 Structure". Inui, H., Luzzi, D. E., Porter, W. D., Pope, D. P., Vitek, V., and Yamaguchi, M., Philos Mag A 65: (1), 245-259, January 1992.
  23. "Brittle Cleavage of L12 Trialuminides". George, E. P., Horton, J. A., Porter, W. D., and Schneibel, J. H., J Mater Res 5: (8),1639-1648, August 1990.
  24. "Cleavage Fracture in Al3Ti-Based Alloy Having the L12 Structure". George, E. P., Porter, W. D., Henson, H. M., Oliver, W. C., and Oliver, B. F., J Mater Res 4: (1), 78-84, January-February 1989.
  25. "Coble Creep in a Powder-Metallurgical Nickel Aluminide of Composition Ni-22.8Al-0.6Hf-0.1B (At-Percent)". Schneibel, J. H., and Porter, W. D., J Mater Res 3: (3), 404-406 May-June 1988.
  26. "Plastic Flow and Microstructure of Cast Nickel Aluminides at 1273 K". Schneibel, J. H., Porter, W. D., and Horton, J. A., Metall Trans A 18: (12), 2157-2162, December 1987.

 

Submitted to Journal:

  1. "Thermal Cycling Behavior of Plasma-Sprayed TBCs with Various McrAlX Bond Coats". Haynes, J. A., Ferber, M.K., and Porter, W. D.; submitted to J. Therm Spray Technol.

 

Proceedings:

  1. "Predicted Influence of Materials’ Thermal Properties on Disc Brake Roughness Due to Thermoelastic Instability". Hecht, R. L., Dinwiddie, R. B., and Porter, W. D., to be published in Proc. of TMS Fall Meeting, 1999.
  2. "Intermetallic Reinforced Cr Alloys for High-Temperature Use". Brady, M. P., Zhu, J. H., Tortorelli, P. F., Walker, L. R., McKamey, C. G., Wright, J. L., Carmichael, C. A., Larson, D. J., Miller, M. K., and Porter, W. D., to be published in Proceedings of the Thirteenth Annual Conference on Fossil Energy Materials, Knoxville, TN, May 11-13, 1999.
  3. "Non-Destructive Characterization of Thermal Shock and Oxidation-Induced Damage by Flash Diffusivity". Graham, S., McDowell,D. L., Lara-Curzio, E., Dinwiddie, R. B., Wang, H., and Porter, W. D., to be published in ASME
  4. "Damage Accumulation in Thermally - Cycled Al2O3 Scales on Plasma-Sprayed NiCrAlY ". Haynes, J. A., Ferber, M. K., and Porter, W. D., Meet. Electrochem. Soc., San Diego, CA, May 3-8, 1998.
  5. "Thermophysical Properties of an HY-100 Weldment". Dinwiddie, R. B., Wang, H., Porter, W. D., Jo, J., and Knipple, L. S., Thermal Conductivity 24, ed P. S. Gaal, Technomic Publishing Co., 1998.
  6. "Production of A357 Motor Mount Bracket by the Metal Compression Forming Process". Viswanathan, S., Brinkman, C. R., Porter, W. D., Purgert, R. M., North America Die Casting Assoc. Congress, Minneapolis, MN, Nov. 3-6,1997.
  7. "Application of the Metal Compression Forming Process for the Production of an Aluminum Alloy Component". Viswanathan, S., Porter, W. D., Ren, W., and Purgert, R. M., Proc. Annu. Meet. Min. Met. Mater. Soc., Orlando, FL, Feb. 9-13, 1997, TMS, Warrendale, PA, 1997.
  8. "Characterization of Innovatively Synthesized Low Cost NZP Powders". Curtis, J. A., Nageswaran, R., Limaye, S. Y., Hubbard, C. R., Porter, W. D., and Misture, S. T., Proc. 21st Annu. Cocoa Beach Conf./Expo. on Composites, Advanced Ceramics, Materials and Structures, American Ceramic Society, 1997.
  9. "Thermal Transport Properties of Grey Cast Irons". Hecht, R. L., Dinwiddie, R. B., Wang, H., and Porter, W. D., Proc. of the SAE Brake Colloquium, New Orleans, Louisiana, October 13-16, 1996, SAE, 1996.
  10. "Modeling of Nickel and Iron Aluminide Castings". Viswanathan, S., Duncan, A. J., Porter, W. D., and Webb, D. S.; pp.243-52, Proc. Int. Symp. on Nickel and Iron Aluminides: Processing, Properties, and Applications, Materials Week '96, Cincinnati, OH, Oct. 7-9, 1996, ASM International, 1997.
  11. "The Effect of Thermal Aging on the Thermal Conductivity of Plasma Sprayed and EB-PVD Thermal Barrier Coatings". R. B. Dinwiddie, S. C. Beecher, W. D. Porter and B. A. Nagaraj, ASME 96-GT-282, Proc. 41st Am. Soc. Mech. Eng. Int. Gas Turbine and Aeroengine Congress/Expo., Birmingham, United Kingdom, June 10-13, 1996.
  12. "Isothermal and Cyclic Oxidation of an Air Plasma-Sprayed Thermal Barrier Coating System". Haynes, J. A., Rigney, E. D., Ferber, M. K., and Porter, W. D., ASME 96-GT-286, Proc. 41st Am. Soc. Mech. Eng. Int. Gas Turbine and Aeroengine Congress/Expo., Birmingham, United Kingdom, June 10-13, 1996.
  13. "Curing and Pyrolysis of BLACKGLASTM Resins and Composites". Leung, R. Y., and Porter, W. D., Proc. 20th Annu. Cocoa Beach Conf./Expo. on Composites, Advanced Ceramics, Materials and Structures, Cocoa Beach, FL, Am. Ceram. Soc., Jan. 7-11,1996.
  14. "Development of Sol-Gel Derived Coatings for NicalonTM/SiC Composites". Shanmugham, S., Liaw, P. K., Stinton, D. P., Besmann, T. M., More, K. L., Bleier, A., Porter, W. D., and Misture, S. T., Proc. 20th Annu. Cocoa Beach Conf./Expo. on Composites, Advanced Ceramics, Materials and Structures, Cocoa Beach, FL, Am. Ceram. Soc., Jan. 7-11,1996.
  15. "The Effects of Thermal Cycling on the Physical and Mechanical Properties of (NZP) Ceramics". Jackson, T. B., Limaye, S. Y., and Porter, W. D., Proc. 96th Annual Meeting American Ceramic Society, April 24-28, 1994, Am. Cer. Soc., 1995.
  16. "Environmental Micro-Cracking of (NZP) Type Ceramics". Jackson, T. B., and Porter, W. D., Proc. 96th Annual Meeting American Ceramic Society, Indianapolis, April 24-28, 1994, Am. Cer. Soc., 1995.
  17. "Thermal and Mechanical Behavior of Ba1+xZr4P6-2xSi2xO24". Shanmugham, S., More, K. L., Stinton, D. P., Hubbard, C. R., Cavin, O. B., Porter, W. D., Ferber, M. K., Limaye, S. Y., and Jackson, T. B., Proc. 96th Annual Meeting American Ceramic Society, Indianapolis, April 24-28, 1994, Am. Cer. Soc., 1995.
  18. "Formation of Cubic Ll2 Phases from Al3Ti and Al3Zr by Transition Metal Substitutions for Al". Sparks, C. J., Porter, W. D., Schneibel, J. H., Oliver, W. C., and Golec, C. G.; v. 186, pp. 175-80, Proc. Spring Meet. Mater. Res. Soc., San Francisco, April 16-21, 1990, Mater. Res. Soc., 1991.
  19. "Phase and Microstructure of Fe Modified Al3Ti". Porter, W. D., Hisatsune, K., Sparks, C. J., Oliver, W. C., and Dhere, A.; v. 133, pp. 657-62, Proc. Fall Meet. Mater. Res. Soc., Symp. on High-Temperature Ordered Intermetallic Alloys, Boston, November 28 - December 2, 1988, Mater. Res. Soc., 1989.
  20. "Identification of Cleavage Planes in an Al3Ti-Base Alloy by Electron Channeling in the SEM". George, E. P., Porter, W. D., and Joy, D. C.; v. 133, pp. 311-15, Proc. Fall Meet. Mater. Res. Soc., Boston, November 28 - December 2,1988, Mater. Res. Soc., 1989.
  21. "Microstructure and Mechanical Properties of Ll2-Structure Alloys Based on Al3Zr". Schneibel, J. H.; v. 133, pp. 335-40, Proc. Fall Meet. Mater. Res. Soc., Boston, November 28 - December 2,1988, Mater. Res. Soc., 1989.
  22. "Recent Developments in Aluminides and Silicides". Liu, C. T., Oliver, W. C., McKamey, C. G., Porter, W. D., and George, E. P., Proc. 2nd Int. Society for the Advancement of Material and Process Engineering Metals and Metals Processing Conference, Dayton, OH, August 2-4, 1988.

 Reports:

  1. "The Effect of Gamma Irradiation on the Thermophysical Properties of LiH + 2%Li". Dinwiddie, R. B., Porter, W. D., Beecher, S. C., and DiStefano, J. R., ORNL/TM-12766.

Contact:
Wallace D. Porter
Metals and Ceramics Division
Oak Ridge National Laboratory
P.O. Box 2008
MS6064, Bldg. 4515
Oak Ridge, TN 37831-6064

Phone: (865) 574-4460
Fax: (865) 574-3940
E-mail: wpo@ornl.gov

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