ION BEAM MIXING IN BINARY AMORPHOUS METALLIC ALLOYS.

Horst Hahn, R. S. Averback, T. Diaz de la Rubia, P. R. Okamoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Ion beam mixing (IM) was measured in homogeneous amorphous metallic alloys of Cu-Er and Ni-Ti as a function of temperature using tracer impurities, i. e. , the so called 'marker geometry'. In Cu-Er, a strong temperature dependence in IM was observed between 80 K and 373 K, indicating that radiation-enhanced diffusion mechanisms are operative in this metallic glass. Phase separation of the Cu-Er alloy was also observed under irradiation as Er segregated to the vacuum and SiO//2 interfaces of the specimen. At low-temperatures, the amount of mixing in amorphous Ni-Ti is similar to that in pure Ni or Ti, but it is much greater in Cu-Er than in either Cu or Er.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposia Proceedings
PublisherMaterials Research Soc
Pages491-496
Number of pages6
ISBN (Print)0931837162
StatePublished - 1986
Externally publishedYes

Publication series

NameMaterials Research Society Symposia Proceedings
Volume51
ISSN (Print)0272-9172

ASJC Scopus subject areas

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

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