Abstract

The article presents technologies of production and treatment of sintered magnetically hard alloys based on the Sm2Fe17 system with the subsequent nitriding of the powder. Methods of an electronic microscopy, X-ray and metallography were used to study the microstructure and phase composition of the alloys immediately after smelting and after homogenizing. The optimum homogenizing regime was established. The influence was investigated of nitriding regimes on the phase composition of the synthesized Sm2Fe17Nx nitride. The optimum regime of a nitriding was found. The optimum regime of powder grinding and the optimum size of particles were established.

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