Recent Refereed Papers

M.M. Gentleman, V. Lughi, J.A. Nychka, and D.R. Clarke, "Non-contact Methods for Measuring Thermal Barrier Coating Temperatures," International Journal of Applied Ceramic Technology 3 [2] (2006) 105-112

J.A. Nychka,T. Naganuma, M. Winter, Y. Kagawa, and D.R. Clarke, "Temperature Dependent Optical Reflectivity of Tetragonal-Prime Yttria-stabilized Zirconia," Journal of the American Ceramic Society 89 [3] (2006) 908-913

J.A. Nychka and D.R. Clarke, "Quantification of Aluminum Outward Diffusion During Oxidation of Fe-Cr-Al Alloys," Oxidation of Metals 63 [5/6] (2005) 325-352

J.D. Almer, G. A. Swift, J.A. Nychka, E. Ustundag, and D.R. Clarke, "In situ synchrotron measurements of oxide growth strains," Materials Science Forum, 490-491 (2005) 287-293

J.A. Nychka, M.Y. He, C. Pullen, and D.R. Clarke, "Surface Oxide Cracking Associated with Oxidation-Induced Grain Boundary Sliding in the Underlying Alloy," Acta Materialia 52 [9] (2004) 1097-1105

J.A. Nychka, T. Xu, D.R. Clarke, and A.G. Evans, "The Stresses and Distortions Caused by Formation of a Thermally Grown Alumina: Comparison Between Measurements and Simulations," Acta Materialia 52 [9] (2004) 2561-2568

J.A. Nychka, D.R. Clarke, S. Sridharan, E. Jordan, M. Gell, M.J. Lance, C.J. Chunnilall, I.M. Smith, S.R.J. Saunders, R. Pillan, V. Sergo, A. Selcuk, A. Atkinson, and K.S. Murphy, "NDE Assessment of TBCs: An Interim Report of a Photo-Stimulated Luminescence 'Round Robin' Test," Surface and Coatings Technology 163-164 (2003) 87-94

J.A. Nychka and D.R. Clarke, "Damage Quantification in TBCs by Photo-Stimulated Luminescence Spectroscopy," Surface and Coatings Technology 146 (2001) 110-116

Conference Presentations

J.A. Nychka* and D.R. Clarke, "Aluminum Diffusion in Alumina Scales Grown on Fe-Cr-Al Alloys," Presented at the International Conference on Metallurgical Coatings and Thin Films, San Diego, May 2, 2005

J.A. Nychka*, D.R. Clarke, S. Sridharan, E. Jordan, M. Gell, M.J. Lance, C.J. Chunnilall, I.M. Smith, S.R.J. Saunders, R. Pillan, V. Sergo, A. Selcuk, A. Atkinson, and K.S. Murphy, "NDE Assessment of TBCs: An Interim Report of a Photo-Stimulated Luminescence 'Round Robin' Test," Presented at the International Conference on Coatings and Metallurgical Thin Films, San Diego, 2002

J. A. Nychka* and D.R. Clarke, "Damage Quantification in TBCs by Photo-Stimulated Luminescence Spectroscopy," Presented at the International Conference on Coatings and Metallurgical Thin Films, San Diego, 2001

J.A. Nychka*, P. Apte, "Green Forming of Silicon Nitride for Microwave Sintering Applications," Presented at the Canadian Ceramic Society Annual General Meeting, Toronto, Ontario, Canada, February 17, 1998

T. Naganuma, K. Matsumura, J.A. Nychka, D.R. Clarke, and Y. Kagawa*, "Interaction Between Visible-IR Wavelength Light and Y₂O₃-ZrO₂ Thermal Barrier Coatings," Presented at the 28^th International Cocoa Beach Conference and Exposition on Advanced Ceramics & Composites, January 29, 2004

G.A. Swift, E.Ustundag*, J.D. Almer, J.A. Nychka, and D.R. Clarke, "In-situ Investigation of Oxide Growth on a FeCrAlY Alloy," Presented at the 28^th International Cocoa Beach Conference and Exposition on Advanced Ceramics & Composites, January 29, 2004

Poster Presentations

J.A. Nychka*, T. Naganuma, M.R. Winter, Y.Kagawa, and D.R. Clarke, "Temperature Dependent Optical Reflectivity of t`-YSZ," Presented at the Thermal Barrier Coatings MURI and NSF-EU Review, UC Santa Barbara, Santa Barbara, CA., USA, January 11-13, 2005

J.A. Nychka*, D.R. Clarke, "High Temperature Vibration Damping Coatings," Presented at the Thermal Barrier Coatings MURI and NSF-EU Review, UC Santa Barbara, Santa Barbara, CA., USA, January 11-13, 2005

J.A. Nychka*, D.R. Clarke, "Quantifying Cation Grain Boundary Diffusion in Thermally Grown Alumina," Presented at the Thermal Barrier Coatings MURI and NSF-EU Review, UC Santa Barbara, Santa Barbara, CA., USA, January 6-9, 2004

J. A. Nychka*, D.R. Clarke, and J. Dryden, "Quantifying Cation Grain Boundary Diffusion in Thermally Grown Alumina," Presented at the Engineering Conferences International Conference on Thermal and Environmental Barrier Coatings, Irsee, Germany, August 17-22, 2003

J.A. Nychka*, D.R. Clarke, "Outward Cation Diffusion in Thermally Grown Alumina," Presented at the Thermal Barrier Coatings MURI and NSF-EU Review, UC Santa Barbara, Santa Barbara, CA., USA, January 6-9, 2003

J.A. Nychka*, D.S. Wilkinson, R. Roy, "Effects of Heat Treatments on the Mechanical Properties of a Microwave Sintered Silicon Nitride," Presented at the Canadian Ceramic Society Annual General Meeting, Toronto, Ontario, Canada, 1999

Invited Seminar Presentation

"The Role of Cation Diffusion in Alumina Scale Growth," Presented at Oak Ridge National Laboratory to the Metals and Ceramics Division, Oak Ridge, TN, January 5, 2006

"The Alumina Scale Growth Mechanism," Presented at Wright-Patterson Air Force Base to the Materials and Manufacturing Directorate, Dayton, OH, December 1, 2005

"Cation Diffusion in Thermally Grown Alumina Films", presented at:

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