| 摘要 |
<p>On a surface of a rare earth permanent magnet R-T-M-B wherein R is a rare earth element, T is Fe or Fe and Co, M is Ti, Nb, Al, V, Mn, Sn, Ca, Mg, Pb, Sb, Zn, Si, Zr, Cr, Ni, Cu, Ga, Mo, W or Ta, 5 wt%≤R≤40 wt%, 50 wt%≤T≤90 wt%, 0 wt%≤M≤8 wt%, and 0.2 wt%≤B≤8 wt%, a solution comprising a flake fine powder of Al, Mg, Ca, Zn, Si, Mn or an alloy thereof and a silicone resin is applied and baked to form an adherent composite coating, thereby providing a corrosion resistant rare earth permanent magnet.</p> |
