Patent classifications
B22F1/05
THERMOMECHANICALLY PROCESSED, NANOSTRUCTURE ALUMINUM-RARE EARTH ELEMENT ALLOYS
A product includes a material having aluminum and at least one rare earth element (REE). The material includes the following microstructure features: at least 1 volume % particles of a phase of an aluminum-rare earth element alloy, the particles comprise at least 5 weight % of the at least one rare earth element, the particles have an average aspect ratio less than or equal to 5, and an average interparticle spacing between the particles is less than or equal to 1 μm. A method includes forming a base material, the base material having aluminum and at least one rare earth element (REE), and working the base material to form a product.
Method of forming multi-layer sintering object support structure
Support substrates are used in certain additive fabrication processes to permit processing of an object. For additive fabrication processes with materials that are sintered into a final part, a multi-layer support substrate of interleaved support and interface layers is fabricated to support an object while reducing an impact of friction on shrinkage of the part during the sintering process.
Three-dimensional printing
An example of a multi-fluid kit for three-dimensional printing includes a binder fluid and an adhesion promoter fluid. The binder fluid includes water and polymer particles in an amount ranging from about 1 wt % to about 40 wt % based on the total weight of the binder fluid. The adhesion promoter fluid includes water and an aromatic dihydrazide adhesion promoter in an amount ranging from about 0.1 wt % to about 10 wt % based on a total weight of the adhesion promoter fluid.
Three-dimensional printing
An example of a multi-fluid kit for three-dimensional printing includes a binder fluid and an adhesion promoter fluid. The binder fluid includes water and polymer particles in an amount ranging from about 1 wt % to about 40 wt % based on the total weight of the binder fluid. The adhesion promoter fluid includes water and an aromatic dihydrazide adhesion promoter in an amount ranging from about 0.1 wt % to about 10 wt % based on a total weight of the adhesion promoter fluid.
Powder Aluminum Material
This disclosure relates to the field of metallurgy, namely, to the composition of an aluminum-based heat-resistant alloy and a powder from it to be used for the production of parts using additive technologies. A new aluminum-based material has been created, which is intended for producing a powder and its utilisation in the additive production of various products, which has high processability at laser melting and high strength characteristics in the heat-treated state: the yield strength exceeding 400 MPa, the ultimate strength exceeding 470 MPa, and elongation at break of at least 4%. The powdered aluminum material contains copper, magnesium, manganese, cerium, silicon, zirconium and/or titanium, where the material contains thermally stable Al.sub.8Cu.sub.4Ce dispersoids with a size of less than 1 μm, which are formed at crystallisation rates of at least 10.sup.3 K/s, which contribute to the material strengthening under operating conditions at room and elevated temperatures.
Powder Aluminum Material
This disclosure relates to the field of metallurgy, namely, to the composition of an aluminum-based heat-resistant alloy and a powder from it to be used for the production of parts using additive technologies. A new aluminum-based material has been created, which is intended for producing a powder and its utilisation in the additive production of various products, which has high processability at laser melting and high strength characteristics in the heat-treated state: the yield strength exceeding 400 MPa, the ultimate strength exceeding 470 MPa, and elongation at break of at least 4%. The powdered aluminum material contains copper, magnesium, manganese, cerium, silicon, zirconium and/or titanium, where the material contains thermally stable Al.sub.8Cu.sub.4Ce dispersoids with a size of less than 1 μm, which are formed at crystallisation rates of at least 10.sup.3 K/s, which contribute to the material strengthening under operating conditions at room and elevated temperatures.
BINDER COMPOSITION FOR METAL POWDER INJECTION MOLDING
The present invention relates to a binder composition for metal powder injection molding, and more specifically, to a binder composition for metal powder injection molding, which can be promptly debound, facilitates the setting of flow conditions in an injection process, and enables the minimization of poor debinding such as swelling, carbonization of low-molecular-weight binders, and other internal defects, during a debinding process.
The binder composition for metal powder injection molding of the present invention contains 10 to 50 wt % of a high-viscosity polyoxymethylene polymer and 50 to 90 wt % of a low-viscosity polyoxymethylene polymer.
By containing polyoxymethylenes alone, which has been produced with different viscosities, without feeding of other monomers in the polymerization process of polyoxymethylene, the binder composition for metal powder injection molding according to the present invention is more economical through low manufacturing costs compared with a conventional technique in which the rate of decomposition by a gas-phase acid is controlled by viscosity adjustment in a polymerization process, and has excellent injection characteristics and debinding/sintering characteristics compared with a technique in which polyoxymethylene and other polymer resins, such as polyolefins and polyamides, are used together.
BINDER COMPOSITION FOR METAL POWDER INJECTION MOLDING
The present invention relates to a binder composition for metal powder injection molding, and more specifically, to a binder composition for metal powder injection molding, which can be promptly debound, facilitates the setting of flow conditions in an injection process, and enables the minimization of poor debinding such as swelling, carbonization of low-molecular-weight binders, and other internal defects, during a debinding process.
The binder composition for metal powder injection molding of the present invention contains 10 to 50 wt % of a high-viscosity polyoxymethylene polymer and 50 to 90 wt % of a low-viscosity polyoxymethylene polymer.
By containing polyoxymethylenes alone, which has been produced with different viscosities, without feeding of other monomers in the polymerization process of polyoxymethylene, the binder composition for metal powder injection molding according to the present invention is more economical through low manufacturing costs compared with a conventional technique in which the rate of decomposition by a gas-phase acid is controlled by viscosity adjustment in a polymerization process, and has excellent injection characteristics and debinding/sintering characteristics compared with a technique in which polyoxymethylene and other polymer resins, such as polyolefins and polyamides, are used together.
MAGNETIC PARTICLE-CONTAINING COMPOSITION, MAGNETIC PARTICLE-CONTAINING FILM, AND ELECTRONIC COMPONENT
A magnetic particle-containing composition contains magnetic particles having a plurality of peak tops in a particle size distribution curve showing a volume-based frequency distribution, a resin, and a solvent.
INJECTION MOLDING COMPOSITION, METHOD FOR PRODUCING INJECTION MOLDED BODY, AND METHOD FOR PRODUCING TITANIUM SINTERED BODY
An injection molding composition contains a titanium-based powder containing titanium as a main component and having an average particle diameter of 15 μm or more and 35 μm or less, a ceramic powder containing a ceramic as a main material and having an average particle diameter of 1 nm or more and 100 nm or less, and an organic binder. The ceramic is an oxide-based ceramic containing an oxide as a main component, and a standard free energy of formation of the oxide at 1000° C. may be lower than a standard free energy of formation of titanium oxide at 1000° C.