| 简介 |
FIELD : metallurgy.SUBSTANCE : invention relates to powder metallurgy associated with manufacturing of magnets from powder materials, rare earth alloys with cobalt and iron in particular, and can be used for manufacturing of metal-ceramic and metal-plastic constant magnets with high residual induction values and maximum energy product for engineering, instrument-making, electrotechnical and other industries. The method for constant magnets manufacturing allows the powder textured in the electromagnet in elastic matrices to be additionally textured in a pulsed magnetic field in the direction coinciding with the direction of the electromagnet field, then pressed in a hydrostat, after which the press blanks are removed from the elastic matrices and sent for sintering. Sinter containers with a loaded powder textured in electromagnet are closed with lids, after which the powders are sintered directly in the containers.EFFECT : increasing density of constant magnets.3 cl, 3 tbl, 3 dwg |
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