Niobium-based alloy strengthened by silicide and turbine having turbine component formed from

A turbine having at least a turbine component formed from a niobium-silicide based alloy, the niobium-silicide based alloy comprising:

• between about 14 atomic percent and about 24 atomic percent titanium (Ti);
• between about 11 atomic percent and about 14 atomic percent silicon (Si);
• between about 4 atomic percent and about 8 atomic percent chromium (Cr);
• between about 2 atomic percent and about 6 atomic percent hafnium (Hf);
• between about 0.1 atomic percent and about 4 atomic percent aluminum (Al);
• between about 0.5 atomic percent and about 1 atomic percent tin (Sn);
• between about 5 atomic percent and about 15 atomic percent tantalum (Ta);
• between about 1 atomic percent and about 5 atomic percent tungsten (W);
• between about 0.1 atomic percent and about 5 atomic percent rhenium (Re);
• between about 0.1 atomic percent and about 5 atomic percent zirconium (Zr);
• between about 0.1 atomic percent and about 6 atomic percent yttrium (Y);
• and
• a balance of niobium (Nb).