Method of Making a Combustion Turbine Component Having a Plurality of Surface Cooling Features and Associated Components
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United States of America Patent
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Issued Date -
Jan 27, 2011
app pub date -
Jul 22, 2009
filing date -
Sep 26, 2008
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Abandoned
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Abstract
A method of making a combustion turbine component includes forming a metallic body by direct metal fabrication (DMF) to have at least one surface portion defining a first plurality of surface cooling features each having a first dimension and at least one second surface cooling feature on at least one of the first plurality of surface cooling features and having a second dimension less than said first dimension and less than 200 μm. Forming the metallic body by DMF may include forming a plurality of metallic combustion turbine subcomponent greenbodies by DMF and assembling the plurality of metallic combustion turbine subcomponent greenbodies together to form a metallic greenbody assembly. The metallic greenbody assembly may be sintered to thereby form the metallic body.
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