Effect of powerful pulsed and continuous ion beams on the Al- Cu-Mg alloy structure

N. V. Gushchina, F. F. Makhin'Ko, V. V. Ovchinnikov, V. I. Gusel'Nikov, G. E. Remnev

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

The paper considers the results of an electron microscopy study of the VD1 alloy of the Al-Cu-Mg system after cold working and subsequent irradiation with a powerful pulsed ion beam (70% C+ + 30% H+, E = 180 keV) in the pulsed-periodic mode (t = 80 ns, f = 0.1 Hz, j = 200 A/cm2, F = 1-1014 cm-2) and under the conditions of the generation of only one pulse (t = 180 ns, j = 100 A/cm2, F = 2-1015 cm-2). It is established that this irradiation noticeably affects the microstructure of the cold-worked 3 mm thick sheets of VD1 alloy. The initial cellular dislocation structure transforms into a subgrain one. The intensity of structural transformations in the alloy increases with ion current density of a pulse. A similar transformation of a dislocation structure over the entire thickness of the sample is observed under irradiation with continuous Ar+ ion beams (E = 20-40 keV) with not high fluences (1015-1016 cm-2).

Original languageEnglish
Article number012102
JournalIOP Conference Series: Materials Science and Engineering
Volume110
Issue number1
DOIs
Publication statusPublished - 23 Feb 2016
Event11th International Scientific Conference on Radiation-Thermal Effects and Processes in Inorganic Materials 2015, RTEP 2015 - Tomsk, Russian Federation
Duration: 31 Aug 201510 Sep 2015

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Ion beams
Irradiation
Cold working
Electron microscopy
Current density
Ions
Microstructure

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

Effect of powerful pulsed and continuous ion beams on the Al- Cu-Mg alloy structure. / Gushchina, N. V.; Makhin'Ko, F. F.; Ovchinnikov, V. V.; Gusel'Nikov, V. I.; Remnev, G. E.

In: IOP Conference Series: Materials Science and Engineering, Vol. 110, No. 1, 012102, 23.02.2016.

Research output: Contribution to journalConference article

Gushchina, N. V. ; Makhin'Ko, F. F. ; Ovchinnikov, V. V. ; Gusel'Nikov, V. I. ; Remnev, G. E. / Effect of powerful pulsed and continuous ion beams on the Al- Cu-Mg alloy structure. In: IOP Conference Series: Materials Science and Engineering. 2016 ; Vol. 110, No. 1.
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