HOT-DEFORMED R-Fe-B MAGNET FOR VARIABLE-MAGNETIC-FORCE MOTOR, VARIABLE-MAGNETIC-FORCE MOTOR, AND ELECTRONIC DEVICE FOR VEHICLE AND HOUSEHOLD
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United States of America
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Feb 13, 2025
app pub date -
Dec 12, 2022
filing date -
Dec 12, 2022
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Abstract
This hot-deformed R—Fe—B magnet for a variable-magnetic-force motor is an R2—Fe14—B (R is at least one rare earth element selected from among Nd, La, Ce, and Y)-based hot-deformed magnet, including, in atom %, 12.2% or more and 14.5% or less of R2(Nd1-x-y-zLaxCeyYz), where (0.0≤x≤0.2, 0.0≤y+z≤0.3), 5% or more and 6.5% or less of B, 0.0% or more and 5.0 or less of Co, and 0.0% or more and 1.0 or less of Ga, with the balance being made up of Fe and inevitable impurities.
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