Patent ID: 9653198
Date: 2017-05-16
CPC Classifications: B22F,C22C,H01F

Claim:
1. A permanent magnet, comprising: a composition represented by the following composition formula: wherein R is at least one element selected from the group consisting of rare earth elements, M is at least one element selected from the group consisting of Zr, Ti and Hf, p is a number satisfying 10 atomic % ≦p ≦13.5 atomic %, q is a number satisfying 28 atomic % ≦q ≦40 atomic %, r is a number satisfying 0.88 atomic % ≦r ≦7.2 atomic %, s is a number satisfying 4 atomic % ≦s ≦13.5 atomic %, a metallic structure in which a composition region having an Fe concentration of 28 mol % or more is a main phase of a plurality of phases, wherein a Cu concentration in the main phase is 5 mol % or more, wherein the metallic structure includes a Cu-M rich phase having 5 mol % or more of a Cu concentration and 3 mol % or more of a concentration of the element M.