METAL ARTICLE PROVIDED WITH COAT FORMING THERMAL BARRIER AND METHOD OF APPLICATION OF SUCH COAT Russian patent published in 2003 - IPC

Abstract RU 2213797 C2

FIELD: application of coats made from super-alloy for forming thermal barrier; application of coats on turbine blades. SUBSTANCE: proposed coat includes binding coat and ceramic coat forming thermal barrier. Ceramic coat includes many pillar-like granules which are located perpendicularly relative to surface of metal article. Each pillar-like granule has many layers. Some layers have subgranules located at acute angle relative to surface of metal article for forming voids between adjacent subgranules. Voids are located at acute angle relative to surface of metal article, thus reducing specific thermal conductivity of ceramic coat forming thermal barrier. Some layers have subgranules located perpendicularly relative to surface of metal article, thus ensuring erosion resistance. EFFECT: reduced specific thermal conductivity. 37 cl, 8 dwg, 4 ex

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RU 2 213 797 C2

Authors

Rikerbi Dehvid S.

Dates

2003-10-10Published

1999-01-12Filed