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Greg C. Ojard
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Journal Articles

Flaw Detection in Multi-Laser Powder Bed Fusion Using In Situ Coaxial Multi-Spectral Sensing and Deep Learning

Amit Surana, Matthew E. Lynch, Abdalla R. Nassar, Greg C. Ojard, Brian A. Fisher, David Corbin, Ryan Overdorff
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. May 2023, 145(5): 051005.
Paper No: MANU-22-1330
https://doi.org/10.1115/1.4056540
Published Online: January 19, 2023
View Article titled, Flaw Detection in Multi-Laser Powder Bed Fusion Using In Situ Coaxial Multi-Spectral Sensing and Deep Learning
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Topics: Flaw detection, Lasers, Sensors, Image segmentation, Resolution (Optics), Semantics, Time series, Testing
Proceedings Papers

Engine Test Experience and Characterization of Self Sealing Ceramic Matrix Composites for Nozzle Applications in Gas Turbine Engines

Eric P. Bouillon, Patrick C. Spriet, Georges Habarou, Thibault Arnold, Greg C. Ojard, David T. Feindel, Charles P. Logan, Kimberly Rogers, Glenn Doppes, Robert J. Miller, Zbigniew Grabowski, Doug P. Stetson
Proc. ASME. GT2003, Volume 1: Turbo Expo 2003, 677-683, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38967
https://doi.org/10.1115/GT2003-38967
View Paper titled, Engine Test Experience and Characterization of Self Sealing Ceramic Matrix Composites for Nozzle Applications in Gas Turbine Engines
Open the PDF for Engine Test Experience and Characterization of Self Sealing Ceramic Matrix Composites for Nozzle Applications in Gas Turbine Engines in another window
Topics: Ceramic matrix composites, Engines, Gas turbines, Nozzles, Sealing (Process), Testing, Durability, Fibers, Temperature, Advanced materials
Proceedings Papers

Characterization and Nozzle Test Experience of a Self Sealing Ceramic Matrix Composite for Gas Turbine Applications

Eric P. Bouillon, Greg C. Ojard, G. Habarou, Patrick C. Spriet, Jean L. Lecordix, David T. Feindel, Gary D. Linsey, Doug P. Stetson
Proc. ASME. GT2002, Volume 4: Turbo Expo 2002, Parts A and B, 15-21, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30458
https://doi.org/10.1115/GT2002-30458
View Paper titled, Characterization and Nozzle Test Experience of a Self Sealing Ceramic Matrix Composite for Gas Turbine Applications
Open the PDF for Characterization and Nozzle Test Experience of a Self Sealing Ceramic Matrix Composite for Gas Turbine Applications in another window
Topics: Ceramic matrix composites, Gas turbines, Nozzles, Sealing (Process), Testing, Engines, Durability, Steam, Temperature, Advanced materials
Proceedings Papers

Characterization of the Cohesive Strengths of Environmental Barrier Coatings to Ceramic Substrates Using Compression Tests

Shanti V. Nair, Harry E. Eaton, Ellen Y. Sun, Greg C. Ojard
Proc. ASME. GT2002, Volume 4: Turbo Expo 2002, Parts A and B, 163-169, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30631
https://doi.org/10.1115/GT2002-30631
View Paper titled, Characterization of the Cohesive Strengths of Environmental Barrier Coatings to Ceramic Substrates Using Compression Tests
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Topics: Ceramics, Coatings, Compression, Adhesives, ASTM International, Adhesion, Design, Failure, Gages, Silicon
Proceedings Papers

Engine Test and Post Engine Test Characterization of Self-Sealing Ceramic Matrix Composites for Nozzle Applications in Gas Turbine Engines

Eric P. Bouillon, Patrick C. Spriet, Georges Habarou, Caroline Louchet, Thibault Arnold, Greg C. Ojard, David T. Feindel, Charles P. Logan, Kimberly Rogers, Doug P. Stetson
Proc. ASME. GT2004, Volume 2: Turbo Expo 2004, 409-416, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53976
https://doi.org/10.1115/GT2004-53976
View Paper titled, Engine Test and Post Engine Test Characterization of Self-Sealing Ceramic Matrix Composites for Nozzle Applications in Gas Turbine Engines
Open the PDF for Engine Test and Post Engine Test Characterization of Self-Sealing Ceramic Matrix Composites for Nozzle Applications in Gas Turbine Engines in another window
Topics: Ceramic matrix composites, Engines, Gas turbines, Nozzles, Sealing (Process), Durability, Design, Testing, Carbon fibers, Cooling