Thermal barrier coating having a heat radiation absorbing topcoat
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United States of America Patent
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Issued Date -
May 12, 2005
app pub date -
Nov 12, 2003
filing date -
Nov 12, 2003
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Abandoned
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Abstract
Coating systems suitable for protecting components exposed to high-temperature environments, such as the hot gas flow path through a gas turbine engine. A multilayer thermal barrier coating (TBC) system characterized by a low coefficient of thermal conductivity and having a heat-absorbing topcoat comprised of the thermal decomposition product of at least one metallic element and at least one ceramic precursor binder component.
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