Strain Rate History Effects and Dislocation Substructure at High Strain Rates

  • J. Duffy
Part of the Sagamore Army Materials Research Conference Proceedings book series (SAMC, volume 29)

Abstract

A brief review is presented of strain rate history and temperature history effects during the high strain rate deformation of metals with special emphasis on the BCC metals. Possible explanations to account for history effects are reviewed. Experiments are described in which single crystals of aluminum are deformed at various strain rates. Observations by transmission electron microscopy are used to relate microscopic to macroscopic behavior. Results show that cell size influences the strain rate sensitivity and may be a cause of history effects.

Keywords

Titanium Magnesium Torque Molybdenum Magnesium Copper 

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Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • J. Duffy
    • 1
  1. 1.Division of EngineeringBrown UniversityProvidenceUSA

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