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Changes in microstructure of cold-worked aluminum-lithium alloy 1441 initiated by powerful pulsed ion beams

  • Modification of the Surface, Particularly by Beams of Charged Particles and Photon and Plasma Flows
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Russian Journal of Non-Ferrous Metals Aims and scope Submit manuscript

Abstract

The results of an electron microscopy study of alloy 1441 of the Al-Cu-Mg-Li-Zr-Mn system after cold rolling (ɛ = 72%) and subsequent irradiation with a powerful pulsed ion beam (70%C+ + 30%H+) in the pulsed-periodic mode (τ = 80 ns, f = 0.1 Hz) and under the conditions of the generation of only one pulse (τ = 180 ns) are considered. The ion energy was 180 keV. It is shown by transmission electron microscopy that low irradiation doses D = 1 × 1014–2 × 1015 cm−2 of cold-worked alloy 1441 cause a noticeable transformation of a cellular dislocation structure formed in it. It is shown that, as the ion current density increases in the pulse, the intensity of structural transformations in the alloy increases.

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Authors and Affiliations

  1. Ural Division, Institute of Electrophysics, ul. Amundsena 106, Yekaterinburg, 620016, Russia

    V. V. Ovchinnikov & N. V. Gushchina

  2. Research Institute of High Voltages, Tomsk Polytechnical University, pr. Lenina 30, Tomsk, 634050, Russia

    G. E. Remnev & V. I. Gusel’nikov

  3. OAO Kamensk-Ural’skii Metallurgical Works, ul. Zavodskaya 5, Kamensk-Ural’skii, Sverdlovsk oblast, 623406, Russia

    S. M. Mozharovskii & A. V. Filippov

  4. Ural Division, Institute of Metal Physics, ul. S. Kovalevskoi 18, Yekaterinburg, 620049, Russia

    L. I. Kaigorodova

Authors
  1. V. V. Ovchinnikov
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  2. G. E. Remnev
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  3. N. V. Gushchina
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  4. V. I. Gusel’nikov
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  5. S. M. Mozharovskii
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  6. A. V. Filippov
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  7. L. I. Kaigorodova
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Correspondence to V. V. Ovchinnikov.

Additional information

Original Russian Text © V.V. Ovchinnikov, G.E. Remnev, N.V. Gushchina, V.I. Gusel’nikov, S.M. Mozharovskii, A.V. Filippov, L.I. Kaigorodova, 2010, published in Izvestiya VUZ. Poroshkovaya Metallurgiya i Funktsional’nye Pokrytiya, 2010, No. 2, pp. 32–38.

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Ovchinnikov, V.V., Remnev, G.E., Gushchina, N.V. et al. Changes in microstructure of cold-worked aluminum-lithium alloy 1441 initiated by powerful pulsed ion beams. Russ. J. Non-ferrous Metals 52, 304–310 (2011). https://doi.org/10.3103/S1067821211030175

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