Article formed using nanostructured ferritic alloy

A nanostructure, ferrite technology, applied in magnetic objects, magnetic circuits characterized by magnetic materials, transportation and packaging, etc., can solve problems such as difficulties

Inactive Publication Date: 2012-07-11
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It is clear to those skilled in the art that it can be difficult to simultaneously achieve high mechanical strength and excellent soft magnetic properties when using conventional materials to form soft magnetic components

Method used

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  • Article formed using nanostructured ferritic alloy
  • Article formed using nanostructured ferritic alloy
  • Article formed using nanostructured ferritic alloy

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Embodiment Construction

[0016] Magnetic materials with relatively high permeability, high saturation magnetization, low core loss, and high mechanical strength are required in many electrical devices and components used in many applications including aviation, wind power generation, and electric vehicles. There is a continuing need for soft magnetic components with improved magnetic properties and high mechanical strength. Embodiments of the invention described herein address significant shortcomings of the prior art. Products comprising soft magnetic elements are disclosed herein. Soft magnetic components contain nanostructured ferritic alloys. A nanostructured ferritic alloy includes a plurality of nanocomponents disposed within a ferrous alloy matrix, wherein the nanocomponents comprise an oxide. This product can be used in devices such as electric motors or generators that use magnetic materials in the rotating elements, where both mechanical integrity and magnetic properties can affect overall...

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Abstract

The invention relates to an article formed by using nanostructured ferritic alloy. In one embodiment, an article is provided. The article comprises a soft magnetic component. The soft magnetic component includes a nanostructured ferritic alloy. The nanostructured ferritic alloy includes a plurality of nanofeatures disposed in an iron-containing alloy matrix, wherein the nanofeatures comprise an oxide.

Description

technical field [0001] The present invention generally relates to products comprising soft magnetic components, and more particularly, the present invention generally relates to products comprising soft magnetic components comprising nanostructured ferritic alloys. Background technique [0002] Soft magnetic components play a key role in many applications, especially in electrical and electromagnetic devices. The demand for light and small electric motors is constantly increasing. The design of small motors can be achieved by increasing the motor speed. In order for motors to operate at high speeds, these motors require materials that can operate at high magnetic flux densities. Components must also have high tensile strength due to service life requirements without structural failure. At the same time the components should allow relatively low core loss. It is clear to those skilled in the art that it can be difficult to simultaneously achieve high mechanical strength a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/02C22C38/00C22C19/07C22C30/00
CPCH01F1/16H02K1/02C22C2202/02Y02T10/641C22C19/07C22C33/02C22C38/00Y10T428/256C22C33/0228C22C38/02C22C38/10H01F1/147H01F1/33
Inventor R·迪多米奇奥F·约翰森M·J·爱林格
Owner GENERAL ELECTRIC CO
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