B21C1/00

Forming process using an outer sacrificial layer

One aspect relates to a process for preparing a shaped metal product, wherein a monolithic metal precursor surrounded by a sacrificial outer element is formed to smaller dimensions, and the sacrificial material is subsequently removed. One aspect further provides a composite for preparing a shaped metal product, and a shaped metal product. Such shaped metal products can be used to manufacture an active implantable medical device or sensor.

ALUMINUM BASE WIRE, STRANDED WIRE, AND METHOD FOR MANUFACTURING ALUMINUM BASE WIRE
20220148756 · 2022-05-12 ·

An aluminum base wire includes a core wire composed of pure aluminum or an aluminum alloy; a plurality of coating pieces provided so as to be scattered on an outer periphery of the core wire; and a coating layer provided on the outer periphery of the core wire and an outer periphery of each of the plurality of coating pieces. The coating layer includes a first layer that is provided continuously on the outer periphery of the core wire between adjacent coating pieces and the outer periphery of each of the plurality of coating pieces, and a second layer provided on an outer periphery of the first layer. The plurality of coating pieces are each composed of copper or a copper alloy, the first layer is composed of metals that include copper and tin, and the second layer is composed of tin or a tin alloy.

Wire material consisting of a copper alloy, mesh and breeding cage for aquaculture

The invention relates to a wire material consisting of metallic material having an oxide surface, wherein the oxide surface of the wire material has a first oxide layer, which covers the metallic material at least in part and has a thickness of at least 200 nm to 2 μm, and the oxide surface of the wire material has a second oxide layer which covers metallic material in the regions which are not covered by the first oxide layer. According to the invention, the second oxide layer has a maximum thickness of 0.01 to 10% of the thickness of the first oxide layer. The invention furthermore relates to a mesh and a breeding cage for aquaculture.

Metal alloys for medical devices
11779685 · 2023-10-10 · ·

A medical device and a method and process for at least partially forming a medical device, which medical device has improved physical properties.

Metal alloys for medical devices
11779685 · 2023-10-10 · ·

A medical device and a method and process for at least partially forming a medical device, which medical device has improved physical properties.

ALUMINUM-SCANDIUM ALLOYS FOR BUSBARS
20230290534 · 2023-09-14 ·

A busbar for electric power distribution comprises an aluminum (Al) alloy including scandium (Sc) and optionally including zirconium (Zr), erbium (Er), and/or ytterbium (Yb). In an example, the Sc and/or other elements are uniformly distributed throughout an entirety of the Al alloy. In an example, the Al is in a range of 98 to 99.99 percent by weight (wt %), and the scandium (Sc) is in a range of 0.01 to 0.5 wt %.

Method for manufacturing cold-forged, extruded aluminum alloy tube

A method for manufacturing a cold-forged, extruded aluminum alloy tube includes: providing a primary material made of an aluminum alloy material, and a first cold extrusion apparatus; processing the primary material to form a preform; subjecting the preform to a homogeneous annealing by heating to a temperature of about 410° C. to 510° C. and then cooling to a temperature of about 160° C. to 200° C.; testing the hardness of the preform; immersing the preform in a lubricant which is a lipid having a viscosity index equal to or greater than 170, a flash point equal to or greater than 240° C., a pour point equal to or greater than −24° C., and a fire point equal to or greater than 255° C.; and subjecting the preform to cold extrusion.

TUNGSTEN WIRE, TUNGSTEN WIRE PROCESSING METHOD USING THE SAME, AND ELECTROLYZED WIRE

A tungsten wire according to an embodiment is a tungsten wire made of a W alloy containing rhenium, and includes a mixture on at least a part of a surface thereof, the mixture contains W, C, and O as constituent elements, and taking a radial cross-sectional thickness of the mixture as A mm and a diameter of the tungsten wire as B mm, an average value of a ratio A/B of A to B is 0.3% to 0.8%.

METHOD FOR MANUFACTURING A BIOCOMPATIBLE WIRE

The disclosure relates to a method for manufacturing a biocompatible wire, a biocompatible wire comprising a biocompatible metallic material and a medical device comprising such wire.

The method for manufacturing a biocompatible wire comprises providing a workpiece of a biocompatible metallic material, cold working the workpiece into a wire, and annealing the wire, wherein a cold work percentage is 97 to 99%, wherein the cold working is a drawing with a die reduction per pass ratio in a range of 6 to 40%, and wherein the annealing is done in a range of 850 to 1100° C.

Method for producing aluminum alloy extruded material

A method for producing an aluminum alloy extruded material includes: subjecting, to extrusion processing, a casted billet obtained from an aluminum alloy containing 6.0 to 8.0% by mass of Zn, 1.50 to 3.50% by mass of Mg, 0.20 to 1.50% by mass of Cu, 0.10 to 0.25% by mass of Zr, 0.005 to 0.05% by mass of Ti, 0.3% by mass or less of Mn, 0.25% by mass or less of Sr, contents of Mn, Zr and Sr being 0.10 to 0.50% by mass, with the balance being Al and inevitable impurities to obtain an extruded material; cooling the extruded material, immediately after the extrusion processing, to 100° C. or less at a cooling rate of 50 to 750° C./min; then subjecting the extruded material to a heat treatment at 110 to 270° C. and subjecting the extruded material to plastic working within a prescribed time after the heat treatment.