Ceramics-coated heat resisting alloy member
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United States of America Patent
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May 11, 1993
Grant Date -
N/A
app pub date -
Jun 15, 1990
filing date -
May 6, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gas turbine bucket and a gas turbine nozzle applied with a ceramic coating comprises a base material of the bucket and the nozzle made of a heat resisting alloy; a plurality of coating layers for the front portion consisting of, a mixture layer which comprises a ceramic material and metal and which is formed on the base material, an alloy layer which comprises an alloy material exhibiting excellent resistance to high temperature oxidation and corrosion and which is formed on the mixture layer, and a ceramic layer which comprises ceramic material and formed on the alloy layer. Such ceramic coating has a satisfactory thermal barrier effect on the base material of the gas turbine bucket and nozzle.
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