The present disclosure discloses a shoulder joint prosthesis containing zirconium-niobium alloy on oxidation layer and a preparation method thereof, the preparation method comprises: using zirconium-niobium alloy powder as a raw material, conducting a 3D printing for one-piece molding to obtain an intermediate products of the humeral handle with articular surface and the scapular glenoid plate, and performing Sinter-HIP, cryogenic cooling and surface oxidation to obtain humeral handle with articular surface and scapular glenoid plate. The prosthesis comprises a humeral handle, an articular surface, a humeral head and a scapular glenoid plate, a bone trabeculae is arranged on the outer surface of the upper part of the humeral handle, the upper surface of the scapular glenoid plate and the outer surface of the circular pipe with internal thread.

A titanium alloy additive manufacturing product contains 5.50 to 6.75 wt % of Al, 3.50 to 4.50 wt % of V, 0.20 wt % or less of 0, 0.40 wt % or less of Fe, 0.015 wt % or less of H, 0.08 wt % or less of C, 0.05 wt % or less of N, and inevitable impurities, in which a pore content is 0.05 number/mm.sup.2 or less, and a tensile strength is 855 MPa or more.

An implantable object (1000′) and a method (100) of fabricating an implantable object is disclosed. The method (100) comprises melting a powder (210) comprising at least nickel and titanium with an energy source (220) and iteratively forming a plurality of stacked metallic layers (330) from the melted powder using an additive manufacturing technique. The implantable object is biased to expand from a first configuration (501) to a second configuration (502) when at or above a transformation temperature.

Methods and systems for manufacturing a component are disclosed. The method for manufacturing a component typically comprises blending a silicon nitride powder and a titanium alloy powder to form a combined powder; receiving the combined powder within a build chamber having a platform and a laser beam source configured to produce a laser beam; spreading a plurality of layers of the combined powder over the platform; fusing at least a portion of the combined powder in each of the plurality of layers using the laser beam, wherein each one of the plurality of layers is spread and the portion of the combined powder fused before another one of the plurality of layers is spread, wherein the laser beam is automatically guided by a 3D model of the component; and removing the combined powder that was not fused.

Disclosed herein are embodiments of mechanically alloyed powder feedstock and methods for spheroidizing them using microwave plasma processing. The spheroidized powder can be used in metal injection molding processes, hot isostatic processing, and additive manufacturing. In some embodiments, mechanical milling, such as ball milling, can be used to prepare high entropy alloys for microwave plasma processing.

Methodologies, systems, and devices are provided for producing metal spheroidal powder products. Dehydrogenated and spheroidized particles are prepared using a process including introducing a metal hydride feed material into a plasma torch. The metal hydride feed material is melted within a plasma in order to dehydrogenate and spheroidize the materials, forming dehydrogenated and spheroidized particles. The dehydrogenated and spheroidized particles are then exposed to an inert gas and cooled in order to solidify the particles into dehydrogenated and spheroidized particles. The particles are cooled within a chamber having an inert gas.

The disclosure belongs to a technical field related to metamaterials and discloses a multi-scale three-dimensional pentamode metamaterial and an additive manufacturing method thereof. The multi-scale three-dimensional pentamode metamaterial has a body centered cubic (BCC) structure and includes a plurality of rods and a plurality of node structures. Two ends of each of the rods are connected to the node structures. Each of the rods has a cylindrical shape and is provided with a biconical through hole. From one end of the rod towards the other end of the rod, a diameter of the biconical through hole gradually decreases and then gradually increases. A chamber is formed inside each of the node structures, the biconical through hole communicates with the chamber, and the chamber is filled with a lattice structure.

A target for use in a physical vapor deposition process includes a matrix composed of a composite material selected from the group consisting of aluminum-based material, titanium-based material and chromium-based material and all combinations thereof. The matrix is doped with doping elements and the doping elements are embedded as constituents of ceramic compounds or aluminum alloys in the matrix. The doping elements are selected from the group of the lanthanides: La, Ce, Nb, Sm and Eu. A process for producing such a target and a use of such a target in a physical vapor deposition process are also provided.

A method for manufacturing a metal object having a solid lubricating surface layer includes: providing a metal blank having a surface; providing a plurality of microparticles and solid lubricating powder, and mixing them together, wherein the microparticles have a hardness greater than that of the surface; and projecting the microparticles and the solid lubricating powder onto the surface, wherein the microparticles cause plastic flow on the surface to form a compressive stress layer, and the solid lubricating powder adheres to the compressive stress layer to form a solid lubricating surface layer.

The present invention relates to metal powders which are suitable to be employed in 3D printing processes as well as a process for the production of said powders.