Provided is soft magnetic powder containing an amorphous metal particle having a composition expressed by a compositional formula Fe.sub.100-a-b-c-d-e-f-gCr.sub.aSi.sub.bB.sub.cC.sub.dAl.sub.eTi.sub.fCo.sub.g. Here, a, b, c, d, e, f, and g are that express atom %, 0<a≤3.0, 5.0≤b≤15.0, 7.0≤c≤15.0, 0.1≤d≤3.0, 0<e≤0.016, 0<f≤0.009, and 0≤g≤0.025.

A consolidated metallic glass structure is formed by fabricating [200] metallic glass nanoparticles with a solution-phase synthesis that provides coated metallic glass nanoparticles with a polymer ligand layer; stripping [202] the polymer ligand layer from the coated metallic glass nanoparticles to provide bare metallic glass nanoparticles; depositing [204] the bare metallic glass nanoparticles on a substrate to provide a deposited structure; and sintering [206] the deposited structure with heat and/or pressure to provide the consolidated metallic glass structure. The metallic glass nanoparticles are preferably composed substantially of nickel and boron, iron and boron, or cobalt and boron.

Provided is a soft magnetic alloy which has high saturation flux density and low coercivity and is represented by the compositional formula (Fe.sub.(1−(α+β))X1.sub.αX2.sub.β).sub.(1−(a+b+c+d+e+f))M.sub.aP.sub.bSi.sub.cCu.sub.dX3.sub.eB.sub.f, wherein X1 is at least one element selected from the group consisting of Co and Ni, X2 is at least one element selected from the group consisting of Ti, V, Mn, Ag, Zn, Al, Sn, As, Sb, Bi, and rare earth elements, X3 is at least one element selected from the group consisting of C and Ge, and M is at least one element selected from the group consisting of Zr, Nb, Hf, Ta, Mo, and W, and wherein 0.030≤a≤0.120, 0.010≤b≤0.150, 0≤c≤0.050, 0≤d≤0.020, 0≤e≤0.100, 0≤f≤0.030, α≥0, β≥0, and 0≤α+β≤0.55.

A metallic glass coating material is composed of an alloy of Fe, B, and one of the metals Nb, Mo, Zr, or W. The ratios of Fe, B, and the metal are predetermined using machine learning predictions and high-throughput experiments. In one example, the material is an alloy of Fe, Nb, Mo and B, of the form Fe.sub.x(Nb, Mo).sub.yB.sub.z, where x is in the range 18-28, y is in the range 35-45, and z is in the range 32-42. In another example, the material may be the alloy Fe.sub.23(Nb, Mo).sub.40B.sub.37. The alloy may be doped with Zr and/or W, where the Zr and/or W comprises at most 10% of the alloy.

An alloy includes: an average Ni concentration of 1.5 at.% or more and 15.5 at.% or less; an average Co concentration of 0 at.% or more and 10.0 at.% or less; an average B concentration of 3.0 at.% or more and 16.0 at.% or less; an average P concentration of 0.5 at.% or more and 10.0 at.% or less; an average Cu concentration of 0 at.% or more and 2.0 at.% or less; an average Si concentration of 0 at.% or more and 6.0 at.% or less; an average C concentration of 0 at.% or more and 6.0 at.% or less; a total of average concentrations of Nb, Mo, Zr, W, V, Hf, Ta, Al, Ti, and Cr of 0 at.% or more and 6.0 at.% or less; and a total of an average Fe concentration, the average Ni concentration, and the average Co concentration of 78.0 at.% or more and 88.0 at.% or less.

In order to improve a usage of machine tool components, it is provided that the machine tool component is formed at least partially, in particular essentially, or alternatively completely from an amorphous metal. It is provided that the tool component is produced using injection molding or 3D printing or plastic deformation.

A dust core contains a powder of a crystalline magnetic material powder and a powder of an amorphous magnetic material. The sum of the content of the crystalline magnetic material powder and the content of the amorphous magnetic material powder is 83 mass percent or more. The mass ratio of the content of the crystalline magnetic material powder to the sum of the content of the crystalline magnetic material powder and the content of the amorphous magnetic material powder is 20 mass percent or less. The median diameter D50a of the amorphous magnetic material powder is greater than or equal to the median diameter D50c of the crystalline magnetic material powder. A 10% cumulative diameter D10a in a volume-based cumulative particle size distribution of the amorphous magnetic material powder is 9.5 μm or less.

A dust core contains a powder of a crystalline magnetic material powder and a powder of an amorphous magnetic material. The sum of the content of the crystalline magnetic material powder and the content of the amorphous magnetic material powder is 83 mass percent or more. The mass ratio of the content of the crystalline magnetic material powder to the sum of the content of the crystalline magnetic material powder and the content of the amorphous magnetic material powder is 20 mass percent or less. The median diameter D50a of the amorphous magnetic material powder is greater than or equal to the median diameter D50c of the crystalline magnetic material powder. A 10% cumulative diameter D10a in a volume-based cumulative particle size distribution of the amorphous magnetic material powder is 9.5 μm or less.

Disclosed are: a metal nanostructure having a diameter of 2 nm to 2.5 nm; and a manufacturing method therefor. The formed metal nanostructure is provided as approximately spherical single-crystalline nanoparticles or amorphous alloy nanoparticles. Besides, a nanostructure fabricated in the form of an oxide has a nanoneedle shape. For formation of the metal nanostructure, an amorphous nanostructure is used. A second metal element having a higher standard reduction potential than a central metal constituting the amorphous nanostructure is used in the synthesis of the metal nanostructure.

A metallic glass having a general formula of Zr.sub.15-65Cu.sub.0-25Ni.sub.0-20Al.sub.0-30Hf.sub.0-30Ti.sub.0-30Co.sub.0-30.