Titanium-based alloy
First Claim
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1. A titanium-based alloy comprising:
- from 5 to 15 wt % Ta;
from 0.1 to 4 wt % Nb;
from 7 to 8 wt % Zr,at least 65 wt % Ti; and
incidental impurities,wherein the alloy is free of vanadium and aluminum,wherein the alloy is an alpha+beta alloy,wherein the content of beta-phase in the alloy is from 10 to 60 vol %, andwherein the weight ratio Nb/Ta in the alloy is from 0.05 to 1.
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Abstract
An alloy having from about 5 to about 15 wt % Ta, from 0 to about 5 wt % Nb, from about 0.5 to about 15 wt % Zr, and the balance Ti is disclosed. The alloy is particularly intended for medical devices, such as implants for the body.
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18 Claims
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1. A titanium-based alloy comprising:
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from 5 to 15 wt % Ta; from 0.1 to 4 wt % Nb; from 7 to 8 wt % Zr, at least 65 wt % Ti; and incidental impurities, wherein the alloy is free of vanadium and aluminum, wherein the alloy is an alpha+beta alloy, wherein the content of beta-phase in the alloy is from 10 to 60 vol %, and wherein the weight ratio Nb/Ta in the alloy is from 0.05 to 1. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. Method for preparing an alloy comprising from 5 to 15 wt % Ta, from 0.1 to 4 wt % Nb, from 7 to 8 wt % Zr, at least 65 wt % Ti and incidental impurities, comprising melting together the elements Ti, Ta, Zr, and Nb, followed by cooling to solidify the alloy formed,
wherein the alloy is free of vanadium and aluminum, wherein the alloy is an alpha+beta alloy, wherein the content of beta-phase in the alloy is from 10 to 60 vol %, and wherein the weight ratio Nb/Ta in the alloy is from 0.05 to 1.
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