Microstructures of irradiated and mechanically deformed metals and alloys: Fundamental aspects

S. J. Zinkle, N. Hashimoto, Y. Matsukawa, R. E. Stoller, Yu N. Osetsky

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


Recent molecular dynamics and transmission electron microscopy results on irradiated metallic materials are reviewed, with an emphasis on defect production in the displacement cascade and the fluence- and temperature- dependent accumulation of defect clusters. Materials analyzed include Fe, V, Cu, austenitic stainless steel, V4%Cr4%Ti, and ferritic/martensitic steel. Intrinsic differences between the defect accumulation behavior of body centered cubic (BCC) and face centered cubic (FCC) metals are highlighted. Results on the temperature-dependent vacancy cluster density of Cu are discussed in terms of thermal stability of stacking fault tetrahedra (SFTs). Finally, recent results on deformation behavior of irradiated, quenched, and deformed metals are discussed, with particular emphasis on flow localization mechanisms (e.g., dislocation channeling), and experimental and molecular dynamics studies of the detailed dislocation-defect cluster interactions.

Original languageEnglish
Pages (from-to)3-12
Number of pages10
JournalMaterials Research Society Symposium - Proceedings
Publication statusPublished - 2003 Jan 1
EventRadiation Effects and Ion-Beam Processing of Materials - Boston, MA., United States
Duration: 2003 Dec 12003 Dec 5

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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