Journal of Materials Science

, Volume 11, Issue 5, pp 855–858 | Cite as

The thermal stability of pre-strained Al-Al3Ni eutectic

  • D. R. H. Jones
  • I. R. Sare
  • W. J. Morgan
  • D. S. O. Tinn


A detailed study has been made of the thermal stability of aligned Al-Al3Ni eutectic after prior compressive deformation at room temperature. Compressive strains of between 6% and 50% were imposed perpendicular to the axis of alignment of the eutectic. Annealing of deformed and undeformed material at 883 K led to spheroidization of the Al3Ni rods at a rate which increased rapidly with increasing prestraining. Thus, for eutectic previously strained by 50%, almost complete spheroidization was observed after only 10 h at 883 K. The present behaviour was explained partly in terms of enhanced diffusion along matrix dislocations introduced during deformation.


Polymer Thermal Stability Al3Ni Compressive Strain Compressive Deformation 
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Copyright information

© Chapman and Hall 1976

Authors and Affiliations

  • D. R. H. Jones
    • 1
  • I. R. Sare
    • 1
  • W. J. Morgan
    • 1
  • D. S. O. Tinn
    • 1
  1. 1.Department of Metallurgy and Materials ScienceUniversity of CambridgeUK

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