Nonlinear Behavior of Low-Plastic Structures

  • A. Cherniavsky
Part of the Solid Mechanics and Its Applications book series (SMIA, volume 36)


Structural-inhomogeneous materials like artificial graphite, ceramics of some sorts, cast iron, are often used for structural members subjected to intensive thermal loading that leads to considerable thermal stresses and hence to low-cycle fatigue at repeated loading Experience reveals that accuracy of the known mathematical models is insufficient for lifetime predictions of structural fracture under such conditions. A version of a structural model is proposed for the description of stress-strain behavior of such materials. Adequacy of the model has been confirmed by results of tests carried out for various loading programs.

Palstic of low-plastic materials are often insufficient to prevent crack forming. In thermostressed structures it often leads to crack mesh formation and growth. A method fo analyzing the crack kinetic is suggested.


Residual Strain Structural Member Stress Intensity Coefficient Artificial Graphite Creep Acceleration 
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  1. 1975 Sosedov V.P. Properties of carbon-based structural materials-Metallurgia (in Russian)Google Scholar
  2. 1967 Viatkin S.E.Nuclear graphite — Atomizdat (in Russian)Google Scholar
  3. 1984 Gokhfeld D.A. SADAKOV O.S. Plasticity and creep of structures under repeated loading. Moscow, Mashinostroenie (in Russian)Google Scholar

Copyright information

© Springer Science+Business Media Dordrecht 1995

Authors and Affiliations

  • A. Cherniavsky
    • 1
  1. 1.Cheliabinsk State Technical UniversityCheliabinskRussia

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