| 简介 |
There is provided a rare earth magnet with excellent Br and HcJ values. The rare earth magnet according to a preferred embodiment of the invention is characterized by being composed mainly of R (where R is at least one element selected from among rare earth elements including Y), B, Al, Cu, Zr, Co, O, C and Fe, wherein the content of each element is R : 25-34 wt %, B : 0.85-0.98 wt %, Al : 0.03-0.3 wt %, Cu : 0.01-0.15 wt %, Zr : 0.03-0.25 wt %, Co : ≦3 wt % (but not 0 wt %), O : ≦0.2 wt %, C : 0.03-0.15 wt % and Fe : remainder. |
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