US 12,351,522 B2
Thermal and/or environmental barrier coating system
Adam Lee Chamberlain, Mooresville, IN (US); Elizabeth J. Opila, Charlottesville, VA (US); and Mackenzie J. Ridley, Knoxville, TN (US)
Assigned to Rolls-Royce Corporation, Indianapolis, IN (US); and University of Virginia Patent Foundation, Charlottesville, VA (US)
Filed by Rolls-Royce Corporation, Indianapolis, IN (US); University of Virginia, Charlottesville, VA (US); and University of Virginia Patent Foundation, University of Virginia, VA (US)
Filed on Dec. 20, 2019, as Appl. No. 16/723,675.
Claims priority of provisional application 62/938,748, filed on Nov. 21, 2019.
Claims priority of provisional application 62/784,067, filed on Dec. 21, 2018.
Prior Publication US 2020/0199027 A1, Jun. 25, 2020
Int. Cl. C04B 35/622 (2006.01); C04B 35/16 (2006.01); C04B 35/626 (2006.01); C23C 4/11 (2016.01)
CPC C04B 35/62222 (2013.01) [C04B 35/16 (2013.01); C04B 35/6261 (2013.01); C04B 35/62695 (2013.01); C23C 4/11 (2016.01); C04B 2235/3427 (2013.01); C04B 2235/3436 (2013.01); C04B 2235/5445 (2013.01); C04B 2235/9607 (2013.01); C04B 2235/9669 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An article comprising:
a substrate; and
a coating system on the substrate, wherein the coating system includes a thermal and/or environmental barrier coating (T/EBC) layer, wherein the T/EBC layer includes a silicate phase including a mixture of exactly five different rare earth metal cations.