Properties and structural state of the surface layer in a zirconium alloy modified by a pulsed electron beam and saturated by hydrogen |
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| Authors: | I. P. Chernov S. V. Ivanova M. Kh. Krening N. Koval’ V. V. Larionov A. M. Lider N. S. Pushilina E. N. Stepanova O. M. Stepanova Yu. P. Cherdantsev |
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| Affiliation: | 1.National Research Tomsk Polytechnical University,Tomsk,Russia;2.National Research Nuclear University MePhI,Moscow,Russia;3.Institute of High-Current Electronics, Siberian Branch,Russian Academy of Sciences,Tomsk,Russia |
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| Abstract: | A pulsed action of an electron beam on a Zr-1% Nb zirconium alloy is studied. Alloy samples are irradiated by three 50-μs pulses at an energy density of 15–25 J/cm2, a power of (3–6) × 104 W/cm2, a current density of 10–50 A/cm2, and an electron energy of 18 keV. This method of processing is found to modify the surface layer of the alloy without changing the structure-phase state of its volume. This surface modification increases the hydrogen saturation resistance of the alloy. |
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