C22C16/00

AL WIRING MATERIAL

There is provided an Al wiring material which suppresses a chip crack and achieves thermal shock resistance while suppressing lowering of a yield at the time of manufacture. The Al wiring material contains at least Sc and Zr so as to satisfy 0.01≤x1≤0.5 and 0.01≤x2≤0.3 where x1 is a content of Sc [% by weight] and x2 is a content of Zr [% by weight], with the balance comprising Al.

Zr-Nb-BASED ALLOY MATERIAL, METHOD FOR MANUFACTURING THE ALLOY MATERIAL, AND Zr-Nb-BASED ALLOY PRODUCT

An object of the present invention is to provide a Zr—Nb-based alloy material as a low-magnetic susceptibility alloy having a high corrosion resistance while maintaining a magnetic susceptibility equivalent to or less than the magnetic susceptibility of the biological alloy of the related art, a method for manufacturing the alloy material, and a Zr—Nb-based alloy product. The Zr—Nb-based alloy material according to the present invention includes, as a chemical composition, 3% by mass or more and 18% by mass or less of Nb, 12% by mass or less of Ti, 6% by mass or less of Cr, 6% by mass or less of Cu, 5% by mass or less of Bi, and a remainder consisting of Zr and unavoidable impurities, in which isothermal ω phase particles are dispersed and precipitated in β phase crystal grains of a parent phase.

Zr-Nb-BASED ALLOY MATERIAL, METHOD FOR MANUFACTURING THE ALLOY MATERIAL, AND Zr-Nb-BASED ALLOY PRODUCT

An object of the present invention is to provide a Zr—Nb-based alloy material as a low-magnetic susceptibility alloy having a high corrosion resistance while maintaining a magnetic susceptibility equivalent to or less than the magnetic susceptibility of the biological alloy of the related art, a method for manufacturing the alloy material, and a Zr—Nb-based alloy product. The Zr—Nb-based alloy material according to the present invention includes, as a chemical composition, 3% by mass or more and 18% by mass or less of Nb, 12% by mass or less of Ti, 6% by mass or less of Cr, 6% by mass or less of Cu, 5% by mass or less of Bi, and a remainder consisting of Zr and unavoidable impurities, in which isothermal ω phase particles are dispersed and precipitated in β phase crystal grains of a parent phase.

NICKEL-BASED SUPERALLOY WHICH IS EVEN SUITABLE FOR ADDITIVE MANUFACTURE, METHOD, AND PRODUCT

Nickel-based superalloy suitable for additive manufacture, a method, and a product includes a special selection of the elements silicon, boron, zirconium, and hafnium. The nickel-based superalloy includes at least the following (in wt.%): carbon (C) 0.04%-0.08% chromium (Cr) 9.8%-10.2% cobalt (Co) 10.3%-10.7% molybdenum (Mo) 0.4%-0.6% tungsten (W) 9.3%-9.7% aluminum (Al) 5.2%-5.7% tantalum (Ta) 1.9%-2.1% boron (B) 0.0025%-0.01% zirconium (Zr) 0.0025%-0.01% hafnium (Hf) 0.1%-0.3%, and optionally yttrium (Y) and residual nickel (Ni).

NICKEL-BASED SUPERALLOY WHICH IS EVEN SUITABLE FOR ADDITIVE MANUFACTURE, METHOD, AND PRODUCT

Nickel-based superalloy suitable for additive manufacture, a method, and a product includes a special selection of the elements silicon, boron, zirconium, and hafnium. The nickel-based superalloy includes at least the following (in wt.%): carbon (C) 0.04%-0.08% chromium (Cr) 9.8%-10.2% cobalt (Co) 10.3%-10.7% molybdenum (Mo) 0.4%-0.6% tungsten (W) 9.3%-9.7% aluminum (Al) 5.2%-5.7% tantalum (Ta) 1.9%-2.1% boron (B) 0.0025%-0.01% zirconium (Zr) 0.0025%-0.01% hafnium (Hf) 0.1%-0.3%, and optionally yttrium (Y) and residual nickel (Ni).

ADDITIVELY MANUFACTURED MEDICAL IMPLANTS, METHODS FOR FORMING SAME, AND ZIRCONIUM ALLOY POWDER FOR FORMING SAME

The present disclosure provides zirconium powder particles comprising pure zirconium powder particles with an oxide layer ranging from 0.05 to 5 microns in thickness and/or zirconium alloy powder particles with an oxide layer ranging from 0.05 to 5 microns in thickness. In some embodiments, the zirconium powder particles may be spherical particles, the zirconium powder particles may range from 5 microns to 125 microns in diameter, and/or the zirconium powder particles may have a median particle size ranging from 25 to 70 microns in diameter. The present disclosure further provides methods of producing medical implants or medical implant components by a process that comprises selectively applying energy to such zirconium powder particles to build the medical implants or the medical implant components. In some embodiments, the methods comprise repeatedly forming a layer of zirconium powder particles and irradiating the layer of zirconium powder particles with an energy source.

Low modulus corrosion-resistant alloy and article comprising the same
11634798 · 2023-04-25 · ·

A low modulus corrosion-resistant alloy is disclosed, and comprises five principal elements, wherein the five principal elements are Zr, Nb, Ti, Mo, and Sn. Experimental data reveal that, samples of the low modulus corrosion-resistant alloy all include following characteristics: hardness of at least 250 HV, Young's modulus less than 100 GPa, yield strength greater than 600 MPa, and critical pitting potential greater than 1.3V. As a result, experimental data have proved that this low modulus corrosion-resistant alloy has a significant potential for application in the manufacture of biomedical articles including medical devices and surgical implants. In addition, this low modulus corrosion-resistant alloy is also suitable for application in the manufacture of various industrially-producible articles, including springs, coils, wires, clamps, fasteners, blades, valves, elastic sheets, spectacle frames, sports equipment, and other high-strength low-modulus corrosion-resistant structural materials.

Low modulus corrosion-resistant alloy and article comprising the same
11634798 · 2023-04-25 · ·

A low modulus corrosion-resistant alloy is disclosed, and comprises five principal elements, wherein the five principal elements are Zr, Nb, Ti, Mo, and Sn. Experimental data reveal that, samples of the low modulus corrosion-resistant alloy all include following characteristics: hardness of at least 250 HV, Young's modulus less than 100 GPa, yield strength greater than 600 MPa, and critical pitting potential greater than 1.3V. As a result, experimental data have proved that this low modulus corrosion-resistant alloy has a significant potential for application in the manufacture of biomedical articles including medical devices and surgical implants. In addition, this low modulus corrosion-resistant alloy is also suitable for application in the manufacture of various industrially-producible articles, including springs, coils, wires, clamps, fasteners, blades, valves, elastic sheets, spectacle frames, sports equipment, and other high-strength low-modulus corrosion-resistant structural materials.

Ultrasonic additive manufacturing of cladded amorphous metal products

An embodiment relates to an ultrasonic additive manufacturing process, comprising joining a foil comprising a bulk metallic glass to a substrate; and forming a cladded composite comprising the foil and the substrate; wherein a thickness of the cladded composite is greater than a critical casting thickness of the bulk metallic glass, wherein the cladded composite comprises a cladding layer of the bulk metallic glass on the substrate and the bulk metallic glass comprises approximately 0% crystallinity, approximately 0% porosity, less than 50 MPa thermal stress, approximately 0% distortion, approximately 0 inch heat affected zone, approximately 0% dilution, and a strength of about 2,000-3,500 MPa.

Ultrasonic additive manufacturing of cladded amorphous metal products

An embodiment relates to an ultrasonic additive manufacturing process, comprising joining a foil comprising a bulk metallic glass to a substrate; and forming a cladded composite comprising the foil and the substrate; wherein a thickness of the cladded composite is greater than a critical casting thickness of the bulk metallic glass, wherein the cladded composite comprises a cladding layer of the bulk metallic glass on the substrate and the bulk metallic glass comprises approximately 0% crystallinity, approximately 0% porosity, less than 50 MPa thermal stress, approximately 0% distortion, approximately 0 inch heat affected zone, approximately 0% dilution, and a strength of about 2,000-3,500 MPa.