Patent ID: 6497968
Filing Date: 2002-12-24
Classification: C04B,C23C,F01D,F05C,F05D,Y02T,Y10T

Abstract:
A turbine system having at least one turbine component, said turbine component comprising:a) a molybdenum silicide-based composite substrate, said molybdenum silicide-based composite substrate comprising molybdenum, silicon, and at least one of boron and chromium; and b) an environmentally resistant coating disposed on a surface of said molybdenum silicide-based composite substrate, said environmentally resistant coating comprising: between about 43 atomic percent and 67 atomic percent silicon; between about 2 atomic percent and about 25 atomic percent titanium; between about 1 atomic percent and about 25 atomic percent chromium; and a balance of niobium and, optionally, molybdenum.