Patent ID: 6419765
Filing Date: 2002-07-16
Classification: C22C,C22F

Abstract:
A turbine having at least one turbine component formed from a niobium silicide refractory intermetallic composite, said niobium silicide refractory intermetallic composite comprising: between about 14 atomic percent and about 26 atomic percent titanium; between about 1 atomic percent and about 4 atomic percent hafnium; up to about 6 atomic percent tantalum; between about 12 atomic percent and about 22 atomic percent silicon; up to about 5 atomic percent germanium; up to about 4 atomic percent boron; between about 7 atomic percent and about 14 atomic percent chromium; up to about 3 atomic percent iron; up to about 2 atomic percent aluminum; between about 1 atomic percent and about 3 atomic percent tin; up to about 2 atomic percent tungsten; up to about 2 atomic percent molybdenum; and a balance of niobium.