| 简介 |
The material sciences and rare-earth metal-free invention relates to the field of, permanent-magnetic materials is concerned, such as that given permanent magnet, magnetic circuits, magnetic systems for measurement and control, as well as magnetic couplings loudspeaker technology can be used. Is the purpose of the present invention, disclose rare-earth metal-free permanent-magnetic materials, in addition to good hard magnetic properties, a high Curie temperature the reach at the time of use. The problem is solved by permanent-magnetic materials rare-earth metal-free, manganese-rich binary compounds of manganese and gallium consisting of with at least one element selected from the group consisting of chromium, molybdenum, tungsten, rhenium 0.01 to 0.5 atomic % with proportions of. |
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