The present disclosure relates to an integrally formed product including a metal and a fiber of biological origin disposed in dispersed state in the metal. A proportion by mass of the fiber of biological origin contained in the integrally formed product is within a range of 0.02 mass % or more and 10 mass % or less.

Disclosed are interfacially modified particulate and polymer composite material for use in injection molding processes, such as metal injection molding and additive process such as 3D printing. The composite material is uniquely adapted for powder metallurgy processes. Improved products are provided under process conditions through surface modified powders that are produced by extrusion, injection molding, additive processes such as 3D printing, Press and Sinter, or rapid prototyping.

An electronic component includes an element body made of a composite material of a resin material and metal powder. A plurality of particles of the metal powder are exposed from the resin material and make contact with one another on the outer surface of the element.

Apparatuses, systems, and methods for electrical field-assisted heterogeneous material printing (EF-HMP) of metal-polymer composite structure include a printing platform, a solution tank, an optical projection system, and an electrical field generation and control module. An additive manufacturing method for a metal-polymer composite structure includes preparing a photocurable electrolyte solution by mixing a photocurable liquid resin with a conductive nanofiller, a metal salt solution, a photo initiator, and deionized water. The method further includes initiating photopolymerization of the photocurable liquid resin to form a photocured polymer matrix by directing a projection of ultraviolet light energy from a light source onto the photocurable electrolyte solution. The method further includes depositing a metal structure onto the photocured polymer matrix. In this manner, both the photopolymerization and the metal electrodeposition are performed using the same photocurable electrolyte solution.

A method for manufacturing an external component for horology or jewellery made of a composite material including a reinforcement formed of a preferably perforated structure and a matrix composed of a synthetic material, the method including the successive steps consisting in: a) making a 3D file of the reinforcement, b) forming the reinforcement by additive manufacturing, c) embedding all or part of the reinforcement in the synthetic material. An external component for horology or jewellery can be made of a composite material including a matrix composed of a synthetic material and a reinforcement having a perforated structure obtained by additive manufacturing.

Provided is an Fe-based nanocrystalline alloy powder. The Fe-based nanocrystalline alloy powder has a chemical composition, excluding inevitable impurities, represented by a composition formula of Fe.sub.aSi.sub.bB.sub.cP.sub.dCu.sub.eM.sub.f, where the M in the composition formula is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, Mn, C, Al, S, O, and N, 79 at %?a?84.5 at %, 0 at %?b<6 at %, 0 at %<c?10 at %, 4 at %<d?11 at %, 0.2 at %?e?0.53 at %, 0 at %?f?4 at %, a+b+c+d+e+f=100 at %, a degree of crystallinity is more than 10% by volume, and an Fe crystallite diameter of the Fe-based nanocrystalline alloy powder is 50 nm or less.

A method of binder jet additive manufacturing (BJAM) is provided. The method includes feeding a supply of powder particles to a powder bed, delivering an organic binder onto the powder bed in select locations of each layer to form a porous green part, and introducing to the binder a secondary component that chemically reacts with the binder to form a solid polymer matrix around the powder particles. The secondary component is introduced either by: (i) infiltration of the secondary component into the porous green part; or (ii) by combining the secondary component with the powder particles prior to feeding the powder particles to the powder bed. A binder system for BJAM is also provided. The binder system includes a reactive pair including an organic binder that is capable of being deposited on a powder bed; and a secondary component that is reactive with the organic binder.

A method of binder jet additive manufacturing (BJAM) is provided. The method includes feeding a supply of powder particles to a powder bed, delivering an organic binder onto the powder bed in select locations of each layer to form a porous green part, and introducing to the binder a secondary component that chemically reacts with the binder to form a solid polymer matrix around the powder particles. The secondary component is introduced either by: (i) infiltration of the secondary component into the porous green part; or (ii) by combining the secondary component with the powder particles prior to feeding the powder particles to the powder bed. A binder system for BJAM is also provided. The binder system includes a reactive pair including an organic binder that is capable of being deposited on a powder bed; and a secondary component that is reactive with the organic binder.

A method of fabricating an article by fused filament fabrication. The method comprises providing a filament (3) comprising a first set RF of reinforcement fibres (300), including a first reinforcement fibre (300A), surrounded, at least in part, with a first polymeric composition (30); forming a first discontinuity (310A) of a first set D1 of discontinuities (310) in the first reinforcement fibre (300A); and depositing the filament (3), including the first discontinuity (310A) of the first set D1 of discontinuities (310) formed in the first reinforcement fibre (300A), comprising softening, at least in part, the first polymeric composition (30) and solidifying the softened first polymeric composition (30); wherein depositing the filament (3), including the first discontinuity (310A) of the first set D1 of discontinuities (310) formed in the first reinforcement fibre 300A, comprises depositing the filament (30), including the first discontinuity (310A) of the first set D1 of discontinuities (310) formed in the first reinforcement fibre (300A), in a first arc (320) of a set of arcs A.

A nanoparticle with tunable radial gradients of compositions extending from the center of the nanoparticles. The nature of the gradient preserves the metallic state of the nanoparticles, the diffusion of the constituents, and the oxidation of the interface. The gradients can be purposely varied to allow for specific applications in fields ranging from corrosion, magnetics, information technology, imaging, electromagnetic absorption, coating technologies, and immuno-precipitation. The nanoparticles can be easily used to advance many areas of industry, technology, and life sciences.