R-T-B BASED PERMANENT MAGNET
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United States of America
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Issued Date -
Jan 9, 2025
app pub date -
Nov 2, 2022
filing date -
Nov 2, 2022
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Abstract
An R-T-B based permanent magnet contains Al, Ga, and Zr. The R content is greater than or equal to 30.00 mass % and less than or equal to 33.00 mass %, the B content is greater than or equal to 0.70 mass % and less than or equal to 0.88 mass %, the Al content is greater than 0 mass % and less than or equal to 0.07 mass %, the Ga content is greater than or equal to 0.40 mass % and less than or equal to 1.00 mass %, and the Zr content is greater than 0.10 mass % and less than or equal to 1.60 mass %.
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