FeNi ordered alloy, FeNi ordered alloy magnet, and method for manufacturing FeNi ordered alloy

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United States of America Patent

PATENT NO 11427895
SERIAL NO

16574514

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Abstract

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An FeNi ordered alloy has an L10 ordered structure, a mean order degree of 0.4 or more throughout a material, and a coercivity of 87.5 kA/m or more. For example, a nitriding treatment of an FeNi random alloy is performed and then a nitriding treatment is performed to obtain an L10-FeNi ordered alloy. A volume mean particle size of a FeNi random alloy is, for example, 45 nm or more, and a treatment temperature of the nitriding treatment is, for example, greater than or equal to 300 degrees Celsius and is less than or equal to 500 degrees Celsius, and a treatment period is, for example, 10 hours or longer.

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Patent Owner(s)

  • DENSO CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goto, Sho Kariya, JP 9 5

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