The Statistical Problem of Plasticity

  • Ekkehart Kröner
Part of the International Centre for Mechanical Sciences book series (CISM, volume 92)


From a phenomenological standpoint the difference between the two properties of solids which enable permanent deformation, namely plasticity and viscosity, consists mainly in the following: Whereas plastic materials show only a weak temperature dependence one observes strong temperature effects in viscous deformation. To this thermal behaviour of the two kinds of materials corresponds an inherent time behaviour: plastic deformation is time-independent in the sense of inherent times whereas viscous behaviour is strongly time-dependent.


Plastic Material Dislocation Line Plastic Behaviour Microscopic Scale Viscous Behaviour 
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Copyright information

© Springer-Verlag Wien 1971

Authors and Affiliations

  • Ekkehart Kröner
    • 1
  1. 1.University of StuttgartGermany

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