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Cyclic Creep: Thermocyclic Durability

  • Boris F. ShorrEmail author
Chapter
Part of the Foundations of Engineering Mechanics book series (FOUNDATIONS)

Abstract

Numerical methods are considered for cyclic creep, in particular, for thermocyclic creep. In case of a stable material state and periodically varying loading and temperature field, the developed methodology enables straightforward evaluation of limiting cycle parameters without the calculation of intermediate transient cycles. Interaction of plastic strain and creep and also a role of long-term exposure during cycle parts under high temperatures are described. Numerical examples indicate the possibility of considerable variation of stress and strain ranges induced by periodic external loads and thermal expansion in case of cyclic creep. This makes a drastic effect on the evaluation of the cyclic durability of a structure.

Keywords

Stress Change Thermal Fatigue Cycle Duration Cyclic Creep Dynamic Creep 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Central Institute of Aviation Motors (CIAM)MoskvaRussia

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