A caster assembly configured to process and store a material includes a reaction chamber, a storage assembly configured to store material processed in the reaction chamber, and a blower configured to process and store the material. The reaction chamber includes a vessel configured to hold the material in a melted state prior to processing and a powder generating assembly configured to receive the material from the melting vessel. The powder generating assembly includes a feeding chamber and a feeding device disposed at least partially within the feeding chamber. The feeding device includes at least one nozzle configured to inject inert fluid, where the fluid is a gas, liquid, or combination of the two into the feeding chamber and a material inlet through which the material is configured to flow into the feeding chamber to be exposed to the inert fluid, where the fluid is a gas, liquid, or combination of the two.

The present disclosure provides three-dimensional (3D) printing processes, apparatuses, software, and systems for the production of at least one desired 3D object. The 3D printer system (e.g., comprising a processing chamber, build module, or an unpacking station) described herein may retain a desired (e.g., inert) atmosphere around the material bed and/or 3D object at multiple 3D printing stages. The 3D printer described herein comprises one or more build modules that may have a controller separate from the controller of the processing chamber. The 3D printer described herein comprises a platform that may be automatically constructed. The invention(s) described herein may allow the 3D printing process to occur for a long time without operator intervention and/or down time.

Carbon fiber reinforced metal matrix composite gears include a planar carbon fiber structure fully encapsulated within a metal matrix formed of sintered metal nanoparticles. The metal nanoparticles can be composed of a metal having a high sintering temperature that would ordinarily destroy the carbon fiber. Novel techniques for making small uniform nanoparticles for sintering lowers the sintering temperature to a level that can accommodate carbon fiber. The composite gears possess high strength to weight ratio.

Provided is a fine particle production apparatus and a fine particle production method capable of easily obtaining surface treated fine particles. The fine particle production apparatus produces fine particles using feedstock by means of a gas-phase process. The apparatus includes a treatment section configured to transform the feedstock into a mixture in a gas phase state by means of the gas-phase process, a feedstock supply section configured to supply the feedstock to the treatment section, a cooling section configured to cool the mixture in a gas phase state in the treatment section using a quenching gas containing an inert gas, and a supply section configured to supply a surface treating agent to fine particle bodies in a temperature region in which the surface treating agent is not denatured, the fine particle bodies being produced by cooling the mixture in the gas phase state with the quenching gas.

A method of manufacturing a chiral nano-structure having chirality using a magnetic field according to one embodiment of the present disclosure includes a magnetic field forming operation that forms a magnetic field; a particle arranging operation that arranges at least two nanoparticles in the magnetic field; and a magnetic field adjusting operation that adjusts at least one of a magnetic flux density, a magnetization direction, and a spatial range of the magnetic field, in which in the magnetic field adjusting operation, the arrangement of the nanoparticles arranged in the magnetic field is aligned to correspond to a structure of the magnetic field, and the entire structure is formed as a nano-structure having chirality.

The invention relates to a method to form copper nanoparticles. The method comprises heating a solution comprising a copper precursor comprising at least one neat copper carboxylate in a concentration of at least 0.2 M, a stabilizer comprising an amine in a concentration equal or larger than the concentration of the copper precursor and optionally a solvent to a temperature T1 to form metallic copper. The solution is then heated to a temperature T2, with the temperature T2 being at least 10° C. higher than the temperature T1. The solution is heated from temperature T1 to temperature T2 with an average rate of at least 2 degrees per minute.

The invention further relates to copper nanoparticles obtainable by such method and to formulations comprising such nanoparticles.

As a magnetoplasmonic particle that can have physical reactability, that is, arrangement variability to a magnetic field to implement an immediate self-assembly property, can be manufactured as a three-dimensional structure through a significantly simplified process compared to the conventional one based on this arrangement variability due to the application of the magnetic field, can be used in various technical fields because an additional change or adjustment of a geometrical of this three-dimensional structure is easy, there is provided the magnetoplasmonic particle including a core-shell particle including a core and a shell surrounding at least a part of a surface of the core and including a component different from a component of the core, and having the arrangement variability due to the application of the magnetic field.

A copper paste for joining contains metal particles and a dispersion medium, in which the copper paste for joining contains copper particles as the metal particles, and the copper paste for joining contains dihydroterpineol as the dispersion medium. A method for manufacturing a joined body is a method for manufacturing a joined body which includes a first member, a second member, and a joining portion that joins the first member and the second member, the method including: a first step of printing the above-described copper paste for joining to at least one joining surface of the first member and the second member to prepare a laminate having a laminate structure in which the first member, the copper paste for joining, and the second member are laminated in this order; and a second step of sintering the copper paste for joining of the laminate.

Methods of forming metal multipod nanostructures. The methods may include providing a mixture that includes a metal acetylacetonate, a reducing agent, and a carboxylic acid. The mixture may be contacted with microwaves to form the metal multipod nanostructures. The methods may offer control over the structure and/or morphology of the metal multipod nanostructures.

A silver powder is produced by reducing silver carboxylate and a particle size distribution of primary particles comprises a first peak of a particle size in a range of 20 nm to 70 nm and a second peak of a particle size in a range of 200 nm to 500 nm, organic matters are decomposed in an extent of 50 mass % or more at 150° C., gases generated in heating at 100° C. are: gaseous carbon dioxide; evaporated acetone; and evaporated water.