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Gregory N. Morscher
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Proceedings Papers

Advancement of Electrical Resistance Towards Monitoring Crack Growth in SiC Based Composites at Elevated Temperatures

Joseph El Rassi, Gregory N. Morscher
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A007, June 13–17, 2022
Paper No: GT2022-83010
DOI: https://doi.org/10.1115/GT2022-83010
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Topics: Composite materials, Electrical resistance, Fracture (Materials), Temperature
Proceedings Papers

ICME Modeling of Erosion in Gas-Turbine Grade CMC and HVOF Test

Frank Abdi, Amirhossein Eftekharian, Dade Huang, Sung Choi, Gregory N. Morscher, Ragavendra P. Panakarajupally
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A009, June 13–17, 2022
Paper No: GT2022-83279
DOI: https://doi.org/10.1115/GT2022-83279
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Topics: Cavities, Ceramic matrix composites, Erosion, Gas turbines, Microcracks, Modeling, Temperature
Proceedings Papers

ICME Computational Framework for Ceramic APS Coatings

Frank Abdi, Surekha Achanta, Harsh Baid, Vasyl Harik, Reza Yaghmaie, Gregory N. Morscher, Daniel Balint, Larry Zawada, George Jefferson
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A011, June 13–17, 2022
Paper No: GT2022-83469
DOI: https://doi.org/10.1115/GT2022-83469
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Topics: Ceramics, Coatings, Damage, Furnaces, Plasmas (Ionized gases), Sprays, Thermal barrier coatings
Proceedings Papers

Residual Strength of Turbine Grade Ceramic Matrix Composites After Being Subjected to Solid Particle Erosion at Elevated Temperatures

Farhan Mirza, Ragav P. Panakarajupally, Gregory N. Morscher, Frank Abdi, Sung Choi
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A010, June 13–17, 2022
Paper No: GT2022-83465
DOI: https://doi.org/10.1115/GT2022-83465
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Topics: Ceramic matrix composites, Erosion, Particulate matter, Temperature, Turbines
Journal Articles

Constituent and Ply-Level Understanding of Electrical Resistance in Si-Containing SiC/SiC Composites

Joseph El Rassi, Gregory N. Morscher
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111006.
Paper No: GTP-21-1242
DOI: https://doi.org/10.1115/1.4051867
Published Online: September 27, 2021
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Topics: Composite materials, Damage, Electrical resistance, Electrical resistivity, Fibers, Fracture (Materials), Ceramic matrix composites, Architecture, Circuits, Tunnels
Proceedings Papers

Constituent and Ply Level Understanding of Electrical Resistance in Si-Containing SiC/SiC Composites

Joseph El Rassi, Gregory N. Morscher
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A011, June 7–11, 2021
Paper No: GT2021-60395
DOI: https://doi.org/10.1115/GT2021-60395
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Topics: Ceramic matrix composites, Composite materials, Electrical resistance
Proceedings Papers

Erosion Evaluation of Gas-Turbine Grade CMC’s at Room and Elevated Temperatures

Amirhossein Eftekharian, Ragav P. Panakarajupally, Gregory N. Morscher, Dade Huang, Frank Abdi, Sung Choi
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A007, June 7–11, 2021
Paper No: GT2021-59782
DOI: https://doi.org/10.1115/GT2021-59782
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Topics: Ceramic matrix composites, Erosion, Fuels, Gas turbines, Microcracks, Modeling, Oxygen, Temperature
Journal Articles

Monitoring Damage in Nonoxide Composites at High Temperatures Using Carbon-Containing CVD SiC Monofilament Fibers as Embedded Electrical Resistance Sensors

Ragav P. Panakarajupally, Joseph El Rassi, K. Manigandan, Yogesh P. Singh, Gregory N. Morscher
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051027.
Paper No: GTP-20-1418
DOI: https://doi.org/10.1115/1.4048694
Published Online: March 15, 2021
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Topics: Carbon, Composite materials, Fibers, Temperature, High temperature, Damage, Fatigue, Fracture (Materials), Chemical vapor deposition, Electrical resistance
Proceedings Papers

Monitoring Damage in Non-Oxide Composites at High Temperatures Using Carbon-Containing CVD SiC Monofilament Fibers As Embedded Electrical Resistance Sensors

Ragav P. Panakarajupally, Joseph Elrassi, K. Manigandan, Yogesh P. Singh, Gregory N. Morscher
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A009, September 21–25, 2020
Paper No: GT2020-15937
DOI: https://doi.org/10.1115/GT2020-15937
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Topics: Carbon, Chemical vapor deposition, Composite materials, Damage, Electrical resistance, Fibers, High temperature, Sensors, Temperature, Fracture (Materials)
Proceedings Papers

Fatigue Characterization of SiC/SiC Ceramic Matrix Composites in Combustion Environment

Ragav P. Panakarajupally, Joseph Elrassi, K. Manigandan, Gregory N. Morscher
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A006, September 21–25, 2020
Paper No: GT2020-15521
DOI: https://doi.org/10.1115/GT2020-15521
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Topics: Combustion, Composite materials, Fatigue, Silicon carbide ceramics, Furnaces, Stress, Temperature, Ceramic matrix composites, Cycles, Damage
Proceedings Papers

Design Framework for Optimized Multifunctional Coatings

Nima Moazami, Frank Abdi, Gregory N. Morscher, Cody Godines, Larry Zawada, George Jefferson, Jalees Ahmed
Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T02A004, September 21–25, 2020
Paper No: GT2020-15068
DOI: https://doi.org/10.1115/GT2020-15068
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Topics: Coatings, Design, Durability, Modeling, Service life (Equipment), Thermal conductivity
Journal Articles

Fatigue Characterization of SiC/SiC Ceramic Matrix Composites in Combustion Environment

Ragav P. Panakarajupally, Joseph El Rassi, K. Manigandan, Gregory N. Morscher
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2020, 142(12): 121004.
Paper No: GTP-20-1417
DOI: https://doi.org/10.1115/1.4048460
Published Online: November 18, 2020
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Topics: Combustion, Composite materials, Fatigue, Fracture (Materials), Fracture (Process), Furnaces, Oxidation, Stress, Temperature, Fibers
Journal Articles

An Investigation of the End-Notched Flexure and End-Loaded Split Tests Applied to the Mode II Interlaminar Fracture of a SiC/SiC Ceramic Matrix Composite

Michael J. Presby, Manigandan Kannan, Gregory N. Morscher, Cody Godines, Amirhossein Eftekharian, Jalees Ahmad, Frank Abdi, Sung R. Choi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041027.
Paper No: GTP-19-1312
DOI: https://doi.org/10.1115/1.4044490
Published Online: February 18, 2020
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Topics: Bending (Stress), Fracture (Materials), Fracture toughness, Testing, Ceramic matrix composites
Proceedings Papers

An Investigation of the End-Notched Flexure and End-Loaded Split Tests Applied to the Mode II Interlaminar Fracture of a SiC/SiC Ceramic Matrix Composite

Michael J. Presby, K. Manigandan, Gregory N. Morscher, Cody Godines, Amir Eftekharian, Jalees Ahmad, Frank Abdi, Sung R. Choi
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A001, June 17–21, 2019
Paper No: GT2019-90031
DOI: https://doi.org/10.1115/GT2019-90031
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Topics: Bending (Stress), Ceramic matrix composites, Composite materials, Delamination, Fracture (Materials), Fracture toughness, Silicon carbide ceramics
Proceedings Papers

CMC Mode II Crack Growth Resistance Prediction of ASTM Specimen and Test Validation

Frank Abdi, Cody Godines, Michael J. Presby, Amir Eftekharian, Jalees Ahmad, Sung Choi, Gregory N. Morscher, Steve Gonczy, Jun Shi
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A011, June 17–21, 2019
Paper No: GT2019-90985
DOI: https://doi.org/10.1115/GT2019-90985
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Topics: Adhesives, ASTM International, Ceramic matrix composites, Density, Design, Failure, Failure analysis, Fracture (Materials), Fracture toughness
Proceedings Papers

Monitoring Fatigue of SiC/SiC Ceramic Matrix Composites With Acoustic Emission and Electrical Resistance

Zipeng Han, Gregory N. Morscher
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A013, June 17–21, 2019
Paper No: GT2019-91330
DOI: https://doi.org/10.1115/GT2019-91330
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Topics: Acoustic emissions, Composite materials, Electrical resistance, Fatigue, Silicon carbide ceramics, Damage, Fracture (Process), Silicon, Cycles, Failure
Journal Articles

Multi-Lead Direct Current Potential Drop Method for In Situ Health Monitoring of Ceramic Matrix Composites

Yogesh P. Singh, Michael J. Presby, Manigandan Kannan, Gregory N. Morscher
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 031301.
Paper No: GTP-18-1532
DOI: https://doi.org/10.1115/1.4041271
Published Online: October 4, 2018
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Topics: Ceramic matrix composites, Damage, Fatigue, Fracture (Materials), Stress, Failure, Acoustic emissions
Journal Articles

Life-Limiting Behavior of an Oxide/Oxide Ceramic Matrix Composite at Elevated Temperature Subject to Foreign Object Damage

Michael J. Presby, Nesredin Kedir, Luis J. Sanchez, D. Calvin Faucett, Sung R. Choi, Gregory N. Morscher
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 031012.
Paper No: GTP-18-1492
DOI: https://doi.org/10.1115/1.4041145
Published Online: October 4, 2018
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Topics: Ceramic matrix composites, Composite materials, Damage, Failure, Fracture (Materials), Stress, Temperature, Testing, Oxide ceramics, Rupture
Proceedings Papers

Development of ASTM Test Standards for the Mode I Interlaminar Fracture Toughness (G Ic --Crack Growth Resistance) of Ceramic Matrix Composites

Frank Abdi, Jalees Ahmad, Saber DorMohammadi, Cody Godines, Stephen Gonczy, Rabih Mansour, Gregory N. Morscher, Sung Choi, Jun Shi, Greg Ojard
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A014, June 11–15, 2018
Paper No: GT2018-77147
DOI: https://doi.org/10.1115/GT2018-77147
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Topics: ASTM International, Ceramic matrix composites, Fracture (Materials), Fracture toughness, High temperature, Wedges, Aircraft, Alloys, Bonding, Cantilever beams
Proceedings Papers

Life-Limiting Behavior of an Oxide/Oxide Ceramic Matrix Composite at Elevated Temperature Subject to Foreign Object Damage

Michael J. Presby, Nesredin Kedir, Luis J. Sanchez, D. Calvin Faucett, Sung R. Choi, Gregory N. Morscher
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A008, June 11–15, 2018
Paper No: GT2018-75852
DOI: https://doi.org/10.1115/GT2018-75852
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Topics: Composite materials, Damage, Oxide ceramics, Temperature, Tensile strength, Ceramic matrix composites, Stress, Computerized tomography, Failure, Fracture (Materials)