Abstract: In a method for manufacturing a permanent magnet, a powder of a magnetic base alloy and powders of at least two binder alloys are mixed. The magnetic base alloy has a general formula SE2T14B, wherein SE is at least one rare earth element, including Y, and T is Fe or a combination of Fe and Co, wherein Co does not exceed 40 wt % of the combination of Fe and Co. The two binder alloys have respective general formulas SE6(Fe,Co)13−xGa1+x and SE2Co3. The base alloy and the at least two binder alloys are mixed in a weight ratio between 99:1 and 89:11. The mixture is then compressed and is subsequently sintered in a vacuum and/or in an inert gas atmosphere.

Abstract: In a method for manufacturing a permanent magnet, a powder of a magnetic base alloy and powders of at least two binder alloys are mixed. The magnetic base alloy has a general formula SE2T14B, wherein SE is at least one rare earth element, including Y, and T is Fe or a combination of Fe and Co, wherein Co does not exceed 40 wt % of the combination of Fe and Co. The two binder alloys have respective general formulas SE6(Fe,Co)13−xGa1+x and SE2Co3. The base alloy and the at least two binder alloys are mixed in a weight ratio between 99:1 and 89:11. The mixture is then compressed and is subsequently sintered in a vacuum and/or in an inert gas atmosphere.

Abstract: A permanent magnet has a base composition of SE—Fe—B, wherein SE is at least one rare earth element, including Y, and having the tetragonal phase SE2Fe14B as the principal phase, and additionally having an iron-free and boron-free phase of the general formula SE5(Co, Ga), as a binder alloy. In a method for making such a permanent magnet, a powder of a base ally having the tetragonal phase composition, and a binder alloy having the aforementioned general formula composition, are mixed in a weight ration between 99:1 and 90:10.

Abstract: In a method for manufacturing a permanent magnet, a powder of a magnetic base alloy and powders of first and second binder alloys are mixed. The magnetic base alloy has a general formula SE.sub.2 T.sub.14 B, wherein SE is at least one rare earth element, including Y, and T is Fe or a combination of Fe and Co, wherein Co does not exceed 40 wt % of the combination of Fe and Co. Each of the first and second binder alloys has a general formula SE.sub.a Fe.sub.b Co.sub.c B.sub.d Ga.sub.e, wherein 15<a<40, 0<b.ltoreq.80, 5.ltoreq.c.ltoreq.85, 0<d.ltoreq.20, 0<e.ltoreq.20, and a+b+c+d+e=100, and wherein the second binder alloy contains approximately 2.5 wt % fewer rare earth elements and approximately 1.5 wt % less gallium compared to the first binder alloy. The base alloy and the binder alloys are mixed in a weight ratio of base alloy to binder alloys between 99:1 and 90:10, and is subsequently compressed and sintered in a vacuum and/or in an inert gas atmosphere.

Abstract: This invention relates to an alloy suitable for the production of permanent magnets and based on a cobalt/rare earth metal alloy in the atomic ratio of 5:1 to 7:2, where the rare earth metal component is composed of about 40 to 60 atomic percent of samarium, about 15 to 30 atomic percent of lanthanum, about 15 to 30 atomic percent of neodymium, and the remainder is a content of other rare earth metals resulting from preparation.