A high-rigidity iron-based alloy contains a matrix made of iron or a ferroalloy, and titanium boride dispersed in the matrix, in which an equivalent circle average particle diameter by an SEM image of the titanium boride is within a specific range.

A high-rigidity iron-based alloy contains a matrix made of iron or a ferroalloy, and titanium boride dispersed in the matrix, in which an equivalent circle average particle diameter by an SEM image of the titanium boride is within a specific range.

A high-rigidity iron-based alloy contains a matrix made of iron or a ferroalloy, and titanium boride dispersed in the matrix, in which an equivalent circle average particle diameter by an SEM image of the titanium boride is within a specific range.

A powder material includes: an atomized powder of an Ni-based alloy containing inclusions, in which a number of particles of the contained inclusions is 100 particles or less per 10,000 particles of the atomized powder. The Ni-based alloy may include at least one additive element selected from Al, Ti and Nb, and the inclusions include at least one of oxide and carbonitride of the additive element.

A powder material includes: an atomized powder of an Ni-based alloy containing inclusions, in which a number of particles of the contained inclusions is 100 particles or less per 10,000 particles of the atomized powder. The Ni-based alloy may include at least one additive element selected from Al, Ti and Nb, and the inclusions include at least one of oxide and carbonitride of the additive element.

A mixture for making a multilayer inductor, wherein the mixture comprises a first magnetic powder, a second magnetic powder, and a glass material, wherein each of the first magnetic powder and the second magnetic powder comprises an amorphous or nanocrystalline magnetic powder, wherein a softening point temperature of the glass material is in a range of 300°˜430° C.

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 thixomolding material includes: a metal body that contains Mg as a main component; and a coating portion that is adhered to a surface of the metal body via a binder and contains SiO.sub.2 particles containing SiO.sub.2 as a main component. An average particle diameter of the SiO.sub.2 particles is less than 20.0 μm, and a mass fraction of the SiO.sub.2 particles in a total mass of the metal body and the SiO.sub.2 particles is 1.0 mass % or more and 40.0 mass % or less. The binder may contain waxes. A content of the binder may be 0.001 mass % or more and 0.200 mass % or less.

A thixomolding material includes: a metal body that contains Mg as a main component; and a coating portion that is adhered to a surface of the metal body via a binder and contains SiO.sub.2 particles containing SiO.sub.2 as a main component. An average particle diameter of the SiO.sub.2 particles is less than 20.0 μm, and a mass fraction of the SiO.sub.2 particles in a total mass of the metal body and the SiO.sub.2 particles is 1.0 mass % or more and 40.0 mass % or less. The binder may contain waxes. A content of the binder may be 0.001 mass % or more and 0.200 mass % or less.

A method for preparing a shear-assisted extruded material from a powder billet is provided, the method comprising providing a billet of material in substantially powder form; applying both axial and rotational pressure to the material to deform at least some of the contacted material; and extruding the material to form an extruded material. A method for preparing shear-assisted extruded material is provided, the method comprising applying both axial and rotational pressure to stock material to form an extruded material at a rate between 2 and 13 m/min. A method for preparing shear-assisted extruded material is provided. The method comprises applying both axial and rotational pressure to stock material to form an extruded material; and aging the extruded material for less than 3 hours. A method for preparing shear-assisted extruded material is provided. The method comprises providing a stock material for shear-assisted extrusion; and applying both axial and rotational force to the stock material to form an extruded material, wherein the axial force does not decrease during the extrusion.