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US 11,795,548 B2Granted
Thermal barrier coating
AssigneeRtx Corporation
InventorsBrian T. Hazel, Xuan Liu, Kaylan M. Wessels, Elisa M. Zaleski, Kimberly Marilurene Adams, Richard W. Jackson
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Abstract
A coated substrate has a substrate and a coating system having one or more ceramic layers. At least a first layer of one of the one or more ceramic layers is a columnar layer having as-deposited columns and intercolumn gaps. The intercolumn gaps have a mean width at least one of: at least 4.0 micrometers; and at least 1.5% of a thickness of said first layer.
Claims20
A coated substrate comprising:
- a substrate;
- and
- a coating system comprising:
- one or more ceramic layers,
- wherein:
- the substrate has grooves;
- the grooves have depth of 0.20 mm to 2.0 mm;
- at least a first layer of one of the one or more ceramic layers is a columnar layer having as-deposited columns and intercolumn gaps;
- and
- said intercolumn gaps have a mean width of at least one of:
- at least 4.0 micrometers;
- and
- at least 1.5% of a thickness of said first layer.
10 more elements
Dependencies are inferred from the claim text.