Provided are a soft magnetic material capable of achieving a high saturation density by reducing Co among soft magnetic materials made of a FeCo-based alloy, a method for producing a soft magnetic material, and an electric motor.

The soft magnetic material of the present invention is a soft magnetic material containing Fe and Co in a total amount of 90 mass % or more, in which: contained components are 50 mass % or more of Fe, 40 mass % or less of Co, 0.1 mass % or less of C, 2.0 mass % or less of Ni, 0.2 mass % or less of Mn, Si, Cr, Ti, Nb, and V, and inevitable impurities; and the soft magnetic material contains a precipitate of a compound of iron and nitrogen. The precipitate is created by tension annealing a raw material of the soft magnetic material.

There is provided a method of manufacturing nanoparticles comprising the steps of feeding a core precursor into a plasma torch in a plasma reactor, thereby producing a vapor of silicon or alloy thereof; and allowing the vapor to migrate to a quenching zone of the plasma reactor, thereby cooling the vapor and allowing condensation of the vapor into a nanoparticle core made of the silicon or alloy thereof, wherein the quenching gas comprises a passivating gas precursor that reacts with the surface of the core in the quenching zone produce a passivation layer covering the core, thereby producing said nanoparticles. The present invention also relates to nanoparticles comprising a core covered with a passivation layer, the core being made of silicon or an alloy thereof, as well as their use, in particular in the manufacture of anodes.

An nitrogen solid solution titanium sintered compact includes a matrix made of a titanium component having an α-phase, nitrogen atoms dissolved as a solute of solid solution in a crystal lattice of the titanium component, and metal atoms dissolved as a solute of solid solution in the crystal lattice of the titanium component.

Disclosed herein is a method comprising disposing a container containing a metal and/or ferromagnetic solid and abrasive particles in a static magnetic field; where the container is surrounded by an induction coil; activating the induction coil with an electrical current, to heat up the metallic or ferromagnetic solid to form a fluid; generating sonic energy to produce acoustic cavitation and abrasion between the abrasive particles and the container; and producing nanoparticles that comprise elements from the container, the metal and/or the ferromagnetic solid and the abrasive particles. Disclosed herein too is a composition comprising first metal or a first ceramic; and particles comprising carbides and/or nitrides dispersed therein. Disclosed herein too is a composition comprising nanoparticles comprising chromium carbide, iron carbide, nickel carbide, γ-Fe and magnesium nitride.

A material powder for additive modeling including a nitride, and a eutectic oxide, the nitride having an average density lower than an average density of the eutectic oxide, is used to produce a structure using an additive modeling method.

A friction stir processing (FSP) tool includes a working material. The working material has a matrix phase and a particulate phase. The matrix phase includes tungsten and an alloy material. The particulate phase is located within the matrix phase, and the particulate phase has an indentation hardness less than 45 GPa.

Metal bond abrasive articles and methods of making metal bond abrasive articles via a focused beam are disclosed. In an aspect, a metal bond abrasive article includes a metallic binder material having abrasive particles retained therein, where the abrasive particles have at least one coating disposed thereon. The coating includes a metal, a metal oxide, a metal carbide, a metal nitride, a metalloid, or combinations thereof, and the at least one coating has an average thickness of 0.5 micrometers or greater. The metal bond abrasive article includes a number of layers directly bonded to each other. Metal bond abrasive articles prepared by the method can include abrasive articles having arcuate or tortuous cooling channels, abrasive segments, abrasive wheels, and rotary dental tools. Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying a metal bond abrasive article; and generating, with the manufacturing device by an additive manufacturing process, the metal bond abrasive article based on the digital object. A system is also provided, including a display that displays a 3D model of a metal bond abrasive article; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of the metal bond abrasive article.

A method of manufacturing a functional sheet according to an embodiment of the present invention, comprise powdering a filler with specific functional component and a binder, charging the filler and the binder with second polarity, spraying the binder and the filler onto an upper surface of an electrode plate charged with first polarity opposite to the second polarity, heat-treating the binder and filler, pressing an upper surface of the filler with a rolling roller, and separating the binder and the filler from the electrode plate. Therefore, the method can improve functionality while reducing harmfulness by manufacturing the functional sheet using a powdered filler and binder without using an organic solvent.

Example nanoparticles may include an iron-based core, and a shell. The shell may include a non-magnetic, anti-ferromagnetic, or ferrimagnetic material. Example alloy compositions may include an iron-based grain, and a grain boundary. The grain boundary may include a non-magnetic, anti-ferromagnetic, or ferrimagnetic material. Example techniques for forming iron-based core-shell nanoparticles may include depositing a shell on an iron-based core. The depositing may include immersing the iron-based core in a salt composition for a predetermined period of time. The depositing may include milling the iron-based core with a salt composition for a predetermined period of time. Example techniques for treating a composition comprising core-shell nanoparticles may include nitriding the composition.

Provided is a cemented carbide suitable for use as a material in the manufacture of a punch for metal forming and in particular for the manufacture of metal beverage cans. The cemented carbide may include a hard phase that includes WC, a binder phase and a gamma phase. The gamma phase may include metal carbides in combination with metal nitrides or metal carbonitrides. A quotient of the average grain size of WC/the average grain size of the gamma phase may be in a range of from 0.5 to 1.5.