Titanium aluminide alloys

Details Titanium aluminide alloys Titanium aluminide alloys

1998-07-02

1999-12-07

Willis, Prince

Alloys or metallic compositions

Titanium base

Aluminum containing

420552, 148421, C22C 1400

Patent

active

059978082

ABSTRACT:
A titanium aluminide based alloy consisting of 42-48 at % aluminium, 2-5 at % niobium, 3-8 at % zirconium, 0-1 at % boron, 0-0.4 at % silicon and the balance, apart from incidental impurities, is titanium. The titanium aluminize alloy composition has a satisfactory combination of high tensile strength, acceptable ductility at room temperature and low secondary creep rate at elevated temperature, so as to be suitable for use in high temperature applications for example aero-engines and automobile engines. It is suitable for compressor discs and compressor blades of aero-engines.

REFERENCES:
patent: 4983357 (1991-01-01), Mitao et al.

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