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OwnerHeinz Sibum, Oliver Schauerte +2inventors
InventorsHeinz Sibum, Oliver Schauerte, George Frommeyer, Sven Knippscheer
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The invention relates to a beta titanium alloy that has high strength and good plastic characteristics prior to curing for the purposes of effective formability and also has high fatigue strength. The beta titanium alloy accordingly contains (in mass %): V: 10 to 17%, Fe: 2 to 5%, Al: 2 to 5%, Mo: 0.1 to 3%, and optionally one or more alloy elements from the group of Sn, Si, Cr, Nb, Zr according to the following proportions: Sn: 0.1 to 3%, Si: 0.1≦2%, Cr: ≦2%, Nb: ≦2%, Zr: ≦2%, wherein additional contents of C and of elements from the group of the lanthanides may be present, and as the remainder Ti and inevitable impurities. The invention also relates to a method by means of which high-strength components may be produced cost-effectively from an alloy of this type.
Beta titanium alloy containing (in mass %):
Beta titanium alloy containing (in mass %):
Beta titanium alloy according to any one of the preceding claims, containing 12 to 17 mass % V.
Beta titanium alloy according to any one of the preceding claims, containing 0.5 to 3 mass % Mo.
Beta titanium alloy according to any one of the preceding claims, containing 0.5 to 3 mass % Sn.
Beta titanium alloy according to any one of the preceding claims, characterised in that at ambient temperature it has a yield point Rp0.2 of at least 1,400 MPa.
Beta titanium alloy according to any one of the preceding claims, characterised in that at ambient temperature it has a tensile strength Rm of at least 1,500 MPa.
Beta titanium alloy according to any one of the preceding claims, characterised in that at ambient temperature it has a plastic strain εp0.2 of more than 4%.
Beta titanium alloy according to any one of the preceding claims, characterised in that its density ρ does not exceed 4.8 g/cm3.
Dependencies are inferred from the claim text.