| 简介 |
Provided are a rare earth magnet in which 1-5 phase is stabilized even when Ce is used for at least part of the rare earth element to replace part of Co with Fe, and a production method thereof. According to the present invention, the rare earth magnet has a composition represented by the formula : (Ce_xLa_(1-x-w)R′ _w)_v(Co_yFe_(1-y))_(100-v-z)M_z, wherein R′ is one or more rare earth elements other than Ce and La, M represents one or more members selected from the group consisting of a transition metal element other than Co and Fe, Ga, Al, Zn, and In, and an unavoidable impurity element, 0=-3x+1.7, and provided is a production method thereof.(AA) Forming energy (eV)(BB) Comparative example 1(CC) Example 6(DD) Example 8(EE) Example 1(FF) Example 7(GG) Comparative example 2(HH) Example 3(II) Example 9(JJ) Comparative example 3(KK) Example 4(LL) Comparative example 4(MM) Example 2(NN) Example 5COPYRIGHT KIPO 2019 |
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