In this chapter, the time‐dependent performance of spring elements made of composite materials exposed to steady heavy loads is studied. The common anisotropic creep laws are implemented for composite materials. For basic spring elements, the anisotropic Norton–Bailey constitutive models with an anisotropic creep function are studied. The Altenbach approach applies the quadratic creep potential in a similar way to the common Mises–Hill plastic criterion. Analytical models are developed for the relaxation of stresses and creep under constant load. Closed‐form solutions of the analytical models of creep and relaxation of composite rods in twist and bending states are presented in closed forms.
Hereditary Mechanics of Composite Springs and Driveshafts
2019-05-13
14 pages
Article/Chapter (Book)
Electronic Resource
English
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