Generalizations of Creep Laws for Spring Materials

  • Vladimir Kobelev


The aim of this chapter is to examine further the detailed behavior of simple structures with fractional creep laws. The relaxation of stresses for common and fractional Norton-Bailey constitutive models was studied for basic elements in torsion and bending. The unified formula for several regions of creep law is studied. The new expression is based on the experimental data and merges the primary, secondary and tertiary regions of creep curve in a single time-dependent formula.


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© Springer International Publishing AG 2018

Authors and Affiliations

  • Vladimir Kobelev
    • 1
  1. 1.Faculty of EngineeringUniversity of SiegenSiegenGermany

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