Material Strain Rate Sensitivity

  • Jorge A. C. Ambrosio
Part of the International Centre for Mechanical Sciences book series (CISM, volume 423)


The theoretical analyses developed in chapter 1 have examined the influence of inertia on the response of an elementary structure subjected to dynamic loads which cause plastic behaviour. The yield criterion, which governs the plastic flow, was assumed to be independent of the rate of strain (\(\dot \varepsilon \)). However, the plastic flow of some materials is sensitive to strain rate, which is known as material strain rate sensitivity, or viscoplasticity [3.1]. This phenomenon is illustrated in Figure 3.1 for mild steel specimens which were tested at various uniaxial compressive strain rates [3.2].


Flow Stress Mild Steel High Strain Rate Structural Impact Impulsive Loading 
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Copyright information

© Springer-Verlag Wien 2001

Authors and Affiliations

  • Jorge A. C. Ambrosio
    • 1
  1. 1.Instituto Superior TécnicoPortugal

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