Bulletin of the American Physical Society
Joint Fall 2022 Meeting of the Texas Section of the APS, Texas Section of the AAPT, and Zone 13 of the SPS
Volume 67, Number 11
Thursday–Saturday, October 13–15, 2022; Rice University, Houston, Texas
Session L06: Applied Physics and Engineering
10:30 AM–11:42 AM,
Saturday, October 15, 2022
Rice University BRC
Room: 285
Chair: Han Pu, Rice University
Abstract: L06.00001 : Using Si3N4 to Improve Efficiency ofThermal Barrier Coatings on Blades inGas Turbine/Jet Engines*
10:30 AM–10:42 AM
Presenter:
Joseph E Beam
(University of Dallas)
Authors:
Joseph E Beam
(University of Dallas)
Tim Hossain
(Cerium Labs)
Will H Flanagan
(University of Dallas)
Said Bakkar
(University of Dallas)
Yttria Stabilized Zirconia (YSZ) is an effective thermal barrier coating used on the blades of gas turbine engines. However it is prone to degradation from attacks caused by heated Calcium Magnesium Aluminum Silicon (CMAS) oxide powder that infiltrates into the Nickel superalloy substrate. In this experiment a thin Si3N4 layer was applied on top of the YSZ layer using Plasma Enhanced-Chemical Vapor Deposition (PE-CVD) and then subject to heat after being coated with a slurry CMAS oxide powder. The samples coated with a 10um layer of Si3N4 blocked the CMAS from entering and layed on the top of the sample, while not showing signs of damage caused by the heat. Silicon rich samples were also tested after being deposited onto the YSZ by Air Plasma Spray (APS) and proved to be inadequate due to degradation that occurred during the heat treatment. Si3N4 is a promising solution to degradation caused by CMAS infiltration.
*Air Force STTR contract number FA864920P0999; University of Dallas Donald A. Cowan Physics Institute.
Follow Us |
Engage
Become an APS Member |
My APS
Renew Membership |
Information for |
About APSThe American Physical Society (APS) is a non-profit membership organization working to advance the knowledge of physics. |
© 2024 American Physical Society
| All rights reserved | Terms of Use
| Contact Us
Headquarters
1 Physics Ellipse, College Park, MD 20740-3844
(301) 209-3200
Editorial Office
100 Motor Pkwy, Suite 110, Hauppauge, NY 11788
(631) 591-4000
Office of Public Affairs
529 14th St NW, Suite 1050, Washington, D.C. 20045-2001
(202) 662-8700