Method for making soft magnetic material having ultra-fine grain structure
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United States of America Patent
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Issued Date -
Jul 5, 2007
app pub date -
Dec 29, 2005
filing date -
Dec 29, 2005
priority date (Note) -
Abandoned
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Abstract
A method of making a soft magnetic material with ultra-fine grain structure is provided. The method includes the steps of: providing a soft magnetic starting material; and deforming the soft magnetic starting material within a dynamic recrystallization processing zone to form a billet having a grain size less than about 200 nm. An article comprising a magnetic material is provided, wherein the article is formed by: providing a soft magnetic starting material; and deforming the soft magnetic starting material within a dynamic recrystallization processing zone to form a billet having a grain size less than about 200 nm.
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