A method of forming a component having a variation in saturation magnetization is presented. The method includes selectively diffusing nitrogen into a metallic component of a masked metallic component by exposing the masked metallic component to a nitrogen-rich atmosphere. The masked metallic component includes a patterned oxide layer formed on a surface of the metallic component, and the patterned oxide layer includes an oxide of a metal present in the metallic component. A related component is also presented.

The present invention relates to bulk magnetic nanocomposites and methods of making bulk magnetic nanocomposites.

The present invention relates to bulk magnetic nanocomposites and methods of making bulk magnetic nanocomposites.

A soft magnetic material powder includes soft magnetic material particles, the soft magnetic material particles each include a core formed from an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer. A magnetic core includes soft magnetic material particles and a binder bonding the soft magnetic material particles to each other, the soft magnetic material particles each include a core containing an Fe-based soft magnetic material and an insulating film covering the surface of the core, and the insulating film contains an inorganic oxide and a water soluble polymer.

A grain-oriented electrical steel sheet comprising a steel sheet having a surface on which grooves, in which an extending direction crosses a rolling direction and a depth direction is parallel to a sheet thickness direction, are formed, and wherein a molten solidified substance ranging in parallel to the groove exists on both sides of the groove on the surface of the steel sheet, and a height becoming a maximum frequency in a height distribution of height data in which the surface of the steel sheet in a specific area including the groove is measured at regular intervals is set as a virtual plane, and a value of V2/V1 is more than 0.10 and less than 0.80, wherein V1 is a space volume of recess parts recessed from the virtual plane and V2 is a volume of projection parts projected from the virtual plane.

A system for airfoil vibration control is generally provided. The system includes an airfoil including a ferromagnetic material, and a static structure including an electromagnet adjacent to the ferromagnetic material of the airfoil. A method for controlling vibration at an airfoil of a turbo machine is further provided. The method includes placing a ferromagnetic material at the airfoil, placing an electromagnet at a static structure adjacent to the ferromagnetic material at the airfoil, and applying an electromagnetic force to the ferromagnetic material at the airfoil via the electromagnet at the static structure.

A system for airfoil vibration control is generally provided. The system includes an airfoil including a ferromagnetic material, and a static structure including an electromagnet adjacent to the ferromagnetic material of the airfoil. A method for controlling vibration at an airfoil of a turbo machine is further provided. The method includes placing a ferromagnetic material at the airfoil, placing an electromagnet at a static structure adjacent to the ferromagnetic material at the airfoil, and applying an electromagnetic force to the ferromagnetic material at the airfoil via the electromagnet at the static structure.

An inductor structure with height limit, which comprises: a conductor formed in a bent shape, and is set with a plurality of bending-portions, wherein a first connecting-pin and a second connecting-pin are respectively set at two ends of the conductor; a first magnetic core set with a first combining-surface, wherein the first combining-surface forms a concave groove to accommodate the conductor; and a second magnetic core set with a second combining-surface, wherein the second combining-surface forms a second concave groove to accommodate the conductor; wherein the second combining-surface is combined on the first combining-surface; wherein the conductor is sheathed and set between the first magnetic core and the second magnetic core, and is set with the first connecting-pin and the second connecting-pin exposedly. Therefore, the present invention can increase the magnetic (coupling) route length under the height limit to produce an effect of increasing the inductance value and current.

In an embodiment, a coil component includes a magnetic body, and an internal conductor 21 having a center axis and formed in a spiral shape; wherein the internal conductor 21 is embedded in the magnetic body; in a cross sectional view of a plane that includes the center axis extending in the vertical direction, wherein a conductor region part 11 positioned between the adjacent windings of the spiral shape has a higher oxygen content than that of a core part 12 including the center axis and positioned on the inner side of the windings of the spiral shape. the magnetic body is constituted by iron-based soft magnetic grains and oxide film of at least one type of element that oxidizes more easily than iron, which oxide film bonds at least partly the iron-based soft magnetic grains.

In an embodiment, a coil component includes a magnetic body, and an internal conductor 21 having a center axis and formed in a spiral shape; wherein the internal conductor 21 is embedded in the magnetic body; in a cross sectional view of a plane that includes the center axis extending in the vertical direction, wherein a conductor region part 11 positioned between the adjacent windings of the spiral shape has a higher oxygen content than that of a core part 12 including the center axis and positioned on the inner side of the windings of the spiral shape. the magnetic body is constituted by iron-based soft magnetic grains and oxide film of at least one type of element that oxidizes more easily than iron, which oxide film bonds at least partly the iron-based soft magnetic grains.