Turbomachine airfoil having a variable thickness thermal barrier coating
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United States of America Patent
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Apr 18, 2023
Grant Date -
Sep 30, 2021
app pub date -
Mar 31, 2020
filing date -
Mar 31, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
An airfoil includes a root and a tip, which define a span of the airfoil therebetween. The airfoil also includes a leading edge and a trailing edge downstream of the leading edge along a flow direction. The leading edge and the trailing edge each extend across the span of the airfoil from the root to the tip. The airfoil further includes a pressure side surface and a suction side surface. The airfoil also includes a thermal barrier coating on the pressure side surface and the suction side surface. The thermal barrier coating includes a base layer and a top coat. A thickness of the base layer varies across each of the pressure side surface and the suction side surface with a maximum thickness of the base layer at the leading edge.
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