An iron-based soft magnetic alloy greater than 63.5 mm in width, a thickness between 13 and 20 microns and having a composition represented by the following formula:
(Fe.sub.1-aM.sub.a).sub.100-x-y-z-p-q-rCu.sub.xSi.sub.yB.sub.zM.sub.pM.sub.qX.sub.r
wherein M is Co and/or Ni, M is at least one element selected from the group consisting of Nb, W, Ta, Zr, Hf, Ti and Mo, M is at least one element selected from the group consisting of V, Cr, Mn, Al, elements in the platinum group, Sc, Y, rare earth elements, Au, Zn, Sn and Re, X is at least one element selected from the group consisting of C, Ge, P, Ga, Sb, In, Be and As, and a, x, y, z, p, q and r respectively satisfy 0a0.5, 0.1x3, 0y30, 1z25, 5y+z30, 0.1p30, q10 and r10, the alloy being at least 50% crystalline with an average particle size of 100 nm or less. This alloy has low core loss, high permeability and low magnetostriction.

It is an object of the present disclosure to produce a soft magnetic material having high saturation magnetization by heat-treating a Fe-based amorphous alloy, without needing the control of the atmosphere.

The present disclosure provides a method for producing a soft magnetic material, comprising heat treating a Fe-based amorphous alloy in a state in which the alloy is wrapped with a sheet comprising one or more substances having a standard Gibbs energy of formation of an oxide thereof that is larger in a negative direction than Fe, to form a crystal phase.

A method of manufacturing an iron-based alloy coating is provided, which includes (a) providing an iron-based alloy powder having a chemical formula of Fe.sub.aCr.sub.bMo.sub.cSi.sub.dB.sub.eY.sub.f, wherein 48a50; 21b23; 18c20; 2d3; 2e4; and 0<f2. The method also includes step (b) thermal spraying the iron-based alloy powder to form an amorphous iron-based alloy coating, and step (c) laser re-melting the amorphous iron-based alloy coating, wherein the iron-based alloy coating is densified and remains amorphous.

One embodiment provides a structure, comprising: a display; at least one structural component disposed over a portion of the display, wherein the at least on structural component comprises at least one amorphous alloy; and wherein a portion of the display is foldable.

The invention relates to a metallic magnetic material with biocompatible elements (Ti, Ta or Mn), with glassy quasi-amorphous structure and controlled Curie temperature, and the processes for preparing the same. The hereby material has its composition expressed in atomic percent: Fe=59 . . . 67%, Nb=0.1 . . . 1%, B=20%, biocompatible material (Ti, Ta or Mn)=12 . . . 20%), Curie temperature within the interval 0 . . . 70 C., saturation magnetic induction of 0.05 . . . 1.1 T and strong magnetic response when introduced in a high frequency magnetic field. The processes used to obtain this material directly under the form of ribbons, glass-coated micro/nanowires or nano/micropowders consist in rapid quenching of the mixtures with previously mentioned compositions under extremely rigorous controlled conditions, in high vacuum of minimum 10.sup.4 mbars or in controlled helium or argon atmosphere in order to avoid oxidation.

One embodiment provides a structure, comprising: a display; at least one structural component disposed over a portion of the display, wherein the at least on structural component comprises at least one amorphous alloy; and wherein a portion of the display is foldable.

Described herein is a feedstock comprising BMG. The feedstock has a surface with an average roughness of at least 200 microns. Also described herein is a feedstock comprising BMG. The feedstock, when supported on a support during a melting process of the feedstock, has a contact area between the feedstock and the support up to 50% of a total area of the support. These feedstocks can be made by molding ingots of BMG into a mole with surface patterns, enclosing one or more cores into a sheath with a roughened surface, chemical etching, laser ablating, machining, grinding, sandblasting, or shot peening. The feedstocks can be used as starting materials in an injection molding process.

The present disclosure relates to a complex concentrated soft magnetic amorphous alloy with multi-complex quenched-in nuclei and a method for manufacturing the same, and more specifically, to a complex concentrated soft magnetic amorphous alloy which exhibits low coercivity while improving glass forming ability through the design of configurational entropy control complex alloying composition of a first main element group (Fe, Co, Ni), which determines the degree of magnetization as ferromagnetic metallic elements, a second alloying element group (B, Si, P, C), which facilitates amorphous formation, and a third cluster element group (Ca, Cu, Ag), which forms multi-complex quenched-in nuclei, and a method for manufacturing the same.

The complex concentrated soft magnetic amorphous alloy developed in the present disclosure is characterized by having an excellent switching effect in which the alloy is easily magnetized and demagnetized when a magnetic field is applied and removed by implementing low coercivity. In addition, the present disclosure provides guidelines for alloy development to develop a new alloy with excellent functionality realized by applying a complex concentrated alloy design method to amorphous alloy design. In addition, the present disclosure has presented a step of performing a precise heat treatment based on the (time)-(temperature)-(transformation) curve measurement of the manufactured complex concentrated soft magnetic amorphous alloy, thereby presenting a method capable of effectively controlling an amorphous structure control that has been optimized through the existing trial and error method based on the prediction.

A method for producing a hollow article made of amorphous metal comprising the steps of: a) providing a metal composition, b) melting the composition according to step a) in order to obtain a melt, c) introducing the melt according to step b) into a cavity of a casting mold, the casting mold comprising an inner core, at least a portion of the lateral surface of the inner core being surrounded by a separation element, d) cooling the melt in the casting mold in order to obtain a molded part made of amorphous metal, e) removing the inner core and the separation element from the molded part according to step d) in order to obtain a hollow article made of amorphous metal. The present invention also relates to a hollow article made of amorphous metal, more particularly to a pipe made of amorphous metal.

Disclosed are an amorphous nanocrystalline soft magnetic material, a preparation method therefor and an application thereof, an amorphous ribbon material, an amorphous nanocrystalline ribbon material, and an amorphous nanocrystalline magnetic sheet. The soft magnetic material comprises an amorphous matrix phase, a nanocrystalline phase distributed in the amorphous matrix phase, and fine crystalline particles distributed in the amorphous matrix phase and the nanocrystalline phase. The amorphous matrix phase comprises Fe, Si, and B, the fine crystalline particles comprise metal carbides, and the soft magnetic material comprises Fe, Si, B, P, and Cu.