申请日期 | 2025-06-27 | 申请号 | EP05001481 |
公开(公告)号 | EP1557850A3 | 公开(公告)日 | 2006-10-11 |
公开国别 | EP | 申请人省市代码 | 全国 |
申请人 | TDK Corporation | ||
简介 | A method for compacting a magnetic powder in a magnetic field comprising steps of filling a die with a magnetic powder, applying a pulsed magnetic field to the magnetic powder in the die to orientate the powder, and compressing the magnetic powder, wherein the pulsed magnetic field is applied twice or more when density ρ of a compacted body of said magnetic powder satisfies the relationship ρ = α × H0.5 + β (α = 0.63 and β = 1 to 2), where H is intensity (T) of the applied magnetic field. |
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