Abstract
The article discusses the method of selecting ion irradiation doses for high-energy activation of the surface layer of alloy steel parts before nitriding. A criterion is proposed for optimizing the radiation dose of implanted ions from the strength limit of plate samples with a thickness commensurate with the thickness of the nitrided layer at implantation energies that ensure their end-to-end activation. The results of tests for rupture of plate samples with a through nitrided layer are presented. The results of comparative wear tests of samples made of alloy steels with nitrided layers used for the manufacture of machine parts operating under conditions of wear friction are presented. It is shown that the use of the method of selecting the dose of nitrogen ion irradiation with high-energy activation of the surface of samples made of alloy steels 40X and 40HN, allows to increase their wear resistance by approximately 1.3—1.4 times.
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