4. Glossary
fatigue; tiredness
Progressive failure of a specimen or structure subjected to cyclic loading, leading to failure.
High Cycle Fatigue (HCF)
This is a field where service lives are generally between 50,000 and several million cycles, and where the stress remains mostly below the material's elastic limit. Tests are stress-controlled.
oligocyclic fatigue; Low Cycle Fatigue (LCF)
A field where service lives are generally between a few hundred and a few million cycles, and where the load is mostly above the material's elastic limit. Tests are deformation-controlled.
gigacyclic fatigue; gigacyclic fatigue
Where service lives range from several million to several billion cycles, and where the stress is far below the material's...
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