A phase-field model for low-cycle fatigue of brittle materials
Source abstract
Abstract
Abstract A phenomenological phase-field model for the formation and growth of fatigue macro-cracks in brittle materials is proposed. Additionally to the classical elastic stiffness degradation in the phase-field approach to overload fracture, a fracture toughness degradation is further introduced. The model can reproduce both total life approaches, such as the Basquin empirical relation, and the Paris law, which lies at the core of most of the defect-tolerant approaches, with exponents characteristic of brittle fatigue crack growth. The numerical implementation of the model in an efficient scheme is described and its ability to handle complex geometries and loading conditions demonstrated.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Numerical methods in engineering · Fatigue and fracture mechanics · Aluminum Alloy Microstructure Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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