Abstract
The effect of pulsed ion-plasma irradiation in the Plasma Focus installation and irradiation with 20 MeV electrons at the Miсrotron-ST accelerator on the mechanical properties of the precipitation-hardening Inconel 718 alloy obtained by the method of selective laser fusion has been studied. It was found that ion-plasma and electron irradiation does not affect the properties of the alloy, which is explained by the small thickness of the modified layer during PF irradiation and insufficiently high electron fluence for the manifestation of radiation-stimulated processes of redistribution and dissolution of dispersed precipitates of the strengthening phases. The results obtained indicate a high resistance to crack propagation and the absence of a tendency of the studied alloy to embrittlement.
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