Abstract
Recent data on the blistering process in polished polycrystalline Mo for the case of direct-current glow discharge in deuterium and D2/2–4 mol % O2 or N2 admixtures, at an energy of incident molecular ions of 70–120 eV and a pressure of 14 Pa, are reported. Depending on the method of metal surface polishing, the initial metal grains are broken up into mutually disordered regions of smaller sizes (subgrains); the chemical composition of the damaged layer changes. In the formed structure, blistering can develop easily or be impeded. Small additions of O2 or N2 to deuterium facilitate the blistering.
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Original Russian Text © A.E. Gorodetsky, R.Kh. Zalavutdinov, V.L. Bukhovets, A.V. Markin, A.P. Zakharov, T.V. Rybkina, V.I. Zolotarevsky, E.E. Mukhin, A.G. Razdobarin, A.M. Dmitriev, 2016, published in Poverkhnost’, 2016, No. 12, pp. 28–40.
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Gorodetsky, A.E., Zalavutdinov, R.K., Bukhovets, V.L. et al. Blistering of mechanically polished molybdenum upon its exposure to deuterium-containing plasma. J. Surf. Investig. 10, 1214–1225 (2016). https://doi.org/10.1134/S1027451016050736
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DOI: https://doi.org/10.1134/S1027451016050736