Ion-irradiation studies of cascade damage in metals

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Ion-irradiation studies of the fundamental aspects of cascade damage in metals, which have been performed at Argonne National Laboratory, are reviewed. The emphasis of these studies has been the determination of the primary state of damage (i.e. the arrangement of atoms in the cascade region prior to thermal migration of defects). Progress has been made towards understanding the damage function (i.e. the number of Frenkel pairs produced as a function of primary recoil atom energy), the spatial configuration of vacancies and interstitials in the cascade and the cascade-induced mixing of atoms. It is concluded from these studies that the agitation of the lattice in the vicinity of energetic displacement cascades stimulates defect motion and that such thermal-spike motion induces recombination and clustering of Frenkel defects.

Original languageEnglish (US)
Pages (from-to)33-45
Number of pages13
JournalJournal of Nuclear Materials
Issue numberC
StatePublished - 1982
Externally publishedYes

ASJC Scopus subject areas

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


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