Patent · US Active

Combustion turbine component having rare earth NiCrAl coating and associated methods

US8043718B2 · kind B2 · utility

1Cited by

31References

27Claims

0Family size

Assignee

SIEMENS ENERGY, INC. · US

Inventors

Anand A. Kulkarni · Oviedo, US
Allister W. James · Orlando, US
Douglas J. Arrell · Oviedo, US

Key dates

Filing date	Aug 20, 2008
Grant date	Oct 25, 2011
Priority date	—
Expiry date	Jul 12, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1266
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A combustion turbine component (10) includes a combustion turbine component substrate (16) and an alloy coating (14) on the combustion turbine component substrate. The alloy coating (14) includes nickel (Ni), chromium (Cr), aluminum (Al), and yttrium (Y). Furthermore, the alloy coating includes at least one of titanium (Ti), tantalum (Ta), tungsten (W), and rhenium (Re). The alloy coating also includes at least one rare earth element, and an oxide of at least one of the yttrium (Y) and the at least one rare earth element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.