Hardening of Al-Cu-Mg alloy by energetic ion irradiation

T. Mitsuda, I. Kobayashi, S. Kosugi, Nao Fujita, Y. Saitoh, F. Hori, S. Semboshi, Y. Kaneno, K. Nishida, N. Soneda, A. Iwase

Research output: Contribution to journalLetterpeer-review

11 Citations (Scopus)


We irradiated Al-Cu-Mg alloy with 10 MeV iodine ions at room temperature and measured the surface microhardness. We analyzed the microstructure using a three-dimensional atom probe. Irradiation for 3.5 h led to an increase in hardness comparable to that obtained after 4 days of aging at 423 K. Precipitates of about 2.9 nm in diameter were distributed homogeneously over the irradiated region. The nanometer-sized precipitates produced by the irradiation caused a remarkable increase in hardness.

Original languageEnglish
Pages (from-to)201-204
Number of pages4
JournalJournal of Nuclear Materials
Issue number2
Publication statusPublished - 2011 Jan 15
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Materials Science(all)
  • Nuclear Energy and Engineering

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