Method of heat-treating additively manufactured ferromagnetic components
AssigneeGeneral Electric Company
InventorsFrancis Johnson, Mohamed Osama, Anoop Kumar Jassal, Raghavendra Rao Adharapurapu
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Abstract
A method of heat-treating an additively-manufactured ferromagnetic component is presented and a related ferromagnetic component is presented. A saturation flux density of a heat-treated ferromagnetic component is greater than a saturation flux density of an as-formed ferromagnetic component. The heat-treated ferromagnetic component is further characterized by a plurality of grains such that at least 25% of the plurality of grains have a median grain size less than 10 microns and 25% of the plurality of grains have a median grain size greater than 25 microns.
Claims13
A heat-treated ferromagnetic component for an electric generator, comprising:
- a plurality of grains such that at least 25% of the plurality of grains have a median grain size less than 10 microns and 25% of the plurality of grains have a median grain size greater than 25 microns,
- wherein the plurality of grains have an overall median grain size in a range from about 10 microns to about 25 microns.
A heat-treated ferromagnetic component for an electric generator, comprising:
- a plurality of grains such that at least 25% of the plurality of grains have a median grain size less than 10 microns and 25% of the plurality of grains have a median grain size greater than 25 microns,
- wherein the plurality of grains have an overall median grain size in a range from about 10 microns to about 25 microns,
- wherein the heat-treated ferromagnetic component has a unitary structure and a saturation flux density greater than 2 Tesla, and
- wherein different portions of the heat-treated ferromagnetic component define distinct saturation flux density and tensile strength values.
Dependencies are inferred from the claim text.