Low modulus corrosion-resistant alloy and article comprising the same

An article, being made of an alloy material, wherein the alloy material has a plurality of properties that comprises:

• hardness of at least 250 HV, Young's modulus in a range between 70 GPa and 100 GPa, yield strength greater than 600 MPa, and critical pitting potential greater than 1.3V, and comprising:
• at least 40 weight percent Zr,
• 18.1 to 50 weight percent Nb,
• 13 to 40 weight percent Ti,
• 4 to 10 weight percent Mo, and
• 1.5 to 15 weight percent Sn;
• wherein a summation of Zr and Ti in weight percent is less than or equal to 80;
• wherein the article is selected from a group consisting of surgical implant, medical device and industrially-producible product;
• and
• wherein the forgoing industrially-producible product is selected from a group consisting of spring, coil, wire, clamp, fastener, blade, valve, elastic sheet, spectacle frame, and sports equipment.

A low modulus corrosion-resistant alloy, having a plurality of properties that comprises:

• hardness of at least 250 HV, Young's modulus in a range between 70 GPa and 100 GPa, yield strength greater than 600 MPa, and critical pitting potential greater than 1.3V, and comprising:
• at least 40 weight percent Zr,
• 18.1 to 50 weight percent Nb,
• 13 to 40 weight percent Ti,
• 4 to 10 weight percent Mo,
• 1.5 to 15 weight percent Sn, and
• at most 5 weight percent Fe;
• wherein a summation of Zr and Ti in weight percent is less than or equal to 80.

An article, being made of an alloy material, wherein the alloy material has a plurality of properties that comprises:

• hardness of at least 250 HV, Young's modulus in a range between 70 GPa and 100 GPa, yield strength greater than 600 MPa, and critical pitting potential greater than 1.3V, and comprising:
• at least 40 weight percent Zr,
• 18.1 to 50 weight percent Nb,
• 13 to 40 weight percent Ti,
• 4 to 10 weight percent Mo,
• 1.5 to 15 weight percent Sn, and
• at most 5 weight percent Fe;
• wherein a summation of Zr and Ti in weight percent is less than or equal to 80;
• wherein the article is selected from a group consisting of surgical implant, medical device and industrially-producible product;
• and
• wherein the forgoing industrially-producible product is selected from a group consisting of spring, coil, wire, clamp, fastener, blade, valve, elastic sheet, spectacle frame, and sports equipment.