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Cyclic creep: an interpretive literature survey

Journal Article · · Weld. Res. Counc. Bull.; (United States)
OSTI ID:7351462
An analysis is made of the inelastic deformation of structural materials under cyclic creep conditions such as loading, unloading, reloading, cyclic creep, cyclic relaxation, and low-cycle fatigue with and without hold times under uniaxial and multiaxial states of stress. Constitutive equations such as linear and nonlinear viscoelasticity, plasticity, creep theory and equation of state are examined. It is concluded that an accurate cycle-by-cycle analysis for ratchetting and creep-fatigue interaction is not now possible. For cyclic strain hardening materials, such as stainless steel but not Cr--Mo--V steels, a conservative prediction can be made. 26 figures, 132 references. (DLC)
Research Organization:
Rensselaer Polytechnic Inst., Troy, NY
OSTI ID:
7351462
Journal Information:
Weld. Res. Counc. Bull.; (United States), Journal Name: Weld. Res. Counc. Bull.; (United States) Vol. 195; ISSN WRCBB
Country of Publication:
United States
Language:
English