Thermal barrier coatings for turbine components

Patent · Tue Jan 01 00:00:00 EST 2002

OSTI ID:874319

Subramanian, Ramesh ^[1]; Sabol, Stephen M ^[2]; Goedjen, John G ^[1]; Sloan, Kelly M ^[3]; Vance, Steven J ^[2]

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1. Oviedo, FL
2. Orlando, FL
3. Bethesda, MD

A turbine component, such as a turbine blade having a metal substrate (22) is coated with a metal MCrAlY alloy layer (24) and then a thermal barrier layer (20) selected from LaAlO.sub.3, NdAlO.sub.3, La.sub.2 Hf.sub.2 O.sub.7, Dy.sub.3 Al.sub.5 O.sub.12, HO.sub.3 Al.sub.3 O.sub.12, ErAlO.sub.3, GdAlO.sub.3, Yb.sub.2 Ti.sub.2 O.sub.7, LaYbO.sub.3, Gd.sub.2 Hf.sub.2 O.sub.7 or Y.sub.3 Al.sub.5 O.sub.12.

• Research Organization: Westinghouse Electric Corp., Pittsburgh, PA (United States)
• DOE Contract Number: AC05-95OR22242
• Assignee: Siemens Westinghouse Power Corporation (Orlando, FL)
• Patent Number(s): US 6365281
• OSTI ID: 874319
• Country of Publication: United States
• Language: English

Related Subjects

thermal
barrier
coatings
turbine
components
component
blade
metal
substrate
22
coated
mcraly
alloy
layer
24
20
selected
laalosub3
ndalosub3
lasub2
hfsub2
osub7
dysub3
alsub5
osub12
hosub3
alsub3
eralosub3
gdalosub3
ybsub2
tisub2
laybosub3
gdsub2
ysub3
alloy layer
turbine component
/428/416/