In a method of manufacturing metal powders in a continuous type, metal is heated at a temperature greater than a melting point to form a liquid phase metal, and the liquid phase metal and an emulsion carrier, which is emulsified without reacting with the liquid phase metal, are supplied into a container, and the liquid phase metal and the emulsion carrier are emulsified through Taylor flow to form an emulsion solution. The emulsion solution is discharged from the container, and then, the emulsion solution is cooled at a temperature smaller than the melting point to selectively solidifying the liquid phase metal in the emulsion solution to form the metal powders.

In a method of manufacturing metal powders in a continuous type, metal is heated at a temperature greater than a melting point to form a liquid phase metal, and the liquid phase metal and an emulsion carrier, which is emulsified without reacting with the liquid phase metal, are supplied into a container, and the liquid phase metal and the emulsion carrier are emulsified through Taylor flow to form an emulsion solution. The emulsion solution is discharged from the container, and then, the emulsion solution is cooled at a temperature smaller than the melting point to selectively solidifying the liquid phase metal in the emulsion solution to form the metal powders.

A titanium alloy member with high strength and high proof stress not only in the surface but also inside, using a general and inexpensive - type titanium alloy, and a production method therefor, are provided. The production method includes preparing a raw material made of titanium alloy, nitriding the raw material to form a nitrogen-containing raw material by generating a nitrogen compound layer and/or a nitrogen solid solution layer in a surface layer of the raw material, mixing the raw material and the nitrogen-containing raw material to yield a nitrogen-containing mixed material, sintering the nitrogen-containing mixed material to obtain a sintered titanium alloy member by bonding the material together and uniformly diffusing nitrogen in solid solution from the nitrogen-containing raw material to the entire interior portion of the sintered titanium alloy member, and hot plastic forming the sintered titanium alloy member.

A titanium alloy member with high strength and high proof stress not only in the surface but also inside, using a general and inexpensive - type titanium alloy, and a production method therefor, are provided. The production method includes preparing a raw material made of titanium alloy, nitriding the raw material to form a nitrogen-containing raw material by generating a nitrogen compound layer and/or a nitrogen solid solution layer in a surface layer of the raw material, mixing the raw material and the nitrogen-containing raw material to yield a nitrogen-containing mixed material, sintering the nitrogen-containing mixed material to obtain a sintered titanium alloy member by bonding the material together and uniformly diffusing nitrogen in solid solution from the nitrogen-containing raw material to the entire interior portion of the sintered titanium alloy member, and hot plastic forming the sintered titanium alloy member.

A process for applying a low coefficient of friction coating to interacting parts of a mechanical device. The low coefficient coating is comprised of nanoparticles of a metal melting below about 400 C., preferably bismuth. Interacting parts of a mechanical device, prior to assembly of the mechanical device, are submerged in a dispersion of the nanoparticles, then heated to an effective temperature, then cooled, thereby resulting in a coating of the nanoparticles onto the interacting parts.

A process for applying a low coefficient of friction coating to interacting parts of a mechanical device. The low coefficient coating is comprised of nanoparticles of a metal melting below about 400 C., preferably bismuth. Interacting parts of a mechanical device, prior to assembly of the mechanical device, are submerged in a dispersion of the nanoparticles, then heated to an effective temperature, then cooled, thereby resulting in a coating of the nanoparticles onto the interacting parts.

The invention relates to a spherical iron alloy powder material, its preparation method, and its uses. By selecting a dominated FeLa based alloy system and adding special alloy elements for spheroidization precipitation and corrosion resistant, the invention achieves the dispersion of spherical Fe-rich particles containing spheroidization precipitation elements in a La-rich matrix phase during the alloy solidification process. By removing the La-rich matrix phase, spherical iron alloy powder materials with particle sizes ranging from the nanoscale to tens of micrometers are obtained. This method is simple and can produce spherical iron alloy powders with various morphologies, including nanoscale, submicron, and micron sizes. It has excellent application prospects in fields such as powder metallurgy, metal injection molding (MIM), 3D printing, magnetic materials, heat-resistant materials, high-temperature alloys, coatings, electrical heating materials, wave-absorbing materials, and magnetic fluids.

The invention relates to a spherical iron alloy powder material, its preparation method, and its uses. By selecting a dominated FeLa based alloy system and adding special alloy elements for spheroidization precipitation and corrosion resistant, the invention achieves the dispersion of spherical Fe-rich particles containing spheroidization precipitation elements in a La-rich matrix phase during the alloy solidification process. By removing the La-rich matrix phase, spherical iron alloy powder materials with particle sizes ranging from the nanoscale to tens of micrometers are obtained. This method is simple and can produce spherical iron alloy powders with various morphologies, including nanoscale, submicron, and micron sizes. It has excellent application prospects in fields such as powder metallurgy, metal injection molding (MIM), 3D printing, magnetic materials, heat-resistant materials, high-temperature alloys, coatings, electrical heating materials, wave-absorbing materials, and magnetic fluids.

An apparatus and a method for measuring granular objects, an abnormality detection method, and a method for producing granular iron are provided. An apparatus for measuring granular objects thrown into a liquid surface, the apparatus including an imaging device configured to continuously image the liquid surface, and a processing unit configured to measure the granular objects from time-series image data of the liquid surface imaged by the imaging device, in which the processing unit is configured to perform dynamic mode decomposition from the imaging device and the time-series image data, select, as a measurement dynamic mode, a dynamic mode in which an emphasized point is a vibrating liquid surface among dynamic modes obtained by the dynamic mode decomposition, obtain a measurement vibration frequency as a vibration frequency of a dynamic mode eigenvalue in the measurement dynamic mode, and measure the granular objects based on the measurement vibration frequency.

An apparatus and a method for measuring granular objects, an abnormality detection method, and a method for producing granular iron are provided. An apparatus for measuring granular objects thrown into a liquid surface, the apparatus including an imaging device configured to continuously image the liquid surface, and a processing unit configured to measure the granular objects from time-series image data of the liquid surface imaged by the imaging device, in which the processing unit is configured to perform dynamic mode decomposition from the imaging device and the time-series image data, select, as a measurement dynamic mode, a dynamic mode in which an emphasized point is a vibrating liquid surface among dynamic modes obtained by the dynamic mode decomposition, obtain a measurement vibration frequency as a vibration frequency of a dynamic mode eigenvalue in the measurement dynamic mode, and measure the granular objects based on the measurement vibration frequency.