Tool material surface alloying by wide-aperture low-energy high-current electron beam treatment before wear-resistant coating

The alloying of surfaces of tool materials by wide-aperture low-energy high-current electron beam before wear-resistant coating is developed. This technology makes possible to enlarge a lifetime of cutting tools. The regularities of high-melting compounds formation in the near-surface layer are established. The high-melting compounds are obtained by reaction of self-spreading high-temperature synthesis. The microstructure of modified surface layers is investigated by optical microscopy.

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