The effect of pulsed electron beam (PEB) irradiation modes on the structure formation and properties of the near-surface layer of titanium alloys of the Ti–6Al–4V–H system has been studied. The microhardness, elasticity modulus, friction coefficient, and plasticity (Hμ/E) and resistance (\({\mathrm{H}}_{\upmu }^{3}\) / E2) indices have been determined. PEB irradiation in the mode without surface melting is shown to reduce the strength characteristics and the Hμ/E and \({\mathrm{H}}_{\upmu }^{3}\) / E2 indices of the near-surface layer of alloys. Because of PEB irradiation in the surface melting mode, a two-phase α + α'' lamellar structure with increased Hμ/E and \({\mathrm{H}}_{\upmu }^{3}\) / E2 indices is formed in the near-surface layer of alloys ~10 μm thick. The effect of the near-surface layer properties on the alloy resistance to deformation under tension and creep has been studied.
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Grabovetskaya, G.P., Stepanova, E.N., Zabudchenko, O.V. et al. Formation of the Structure and Properties of the Near-Surface Layer in Alloys of the Ti–6Al–4V–H System Under Irradiation with a Pulsed Electron Beam. Russ Phys J 66, 172–179 (2023). https://doi.org/10.1007/s11182-023-02922-3
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DOI: https://doi.org/10.1007/s11182-023-02922-3