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October 9, 2025

Fatigue Testing and Lifetime Assessment of Components Under Variable Amplitude Loading in Operation Conditions

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Authors

GVGeorg VeileUniversity of StuttgartNGNina GrözingerUniversity of StuttgartJRJürgen RudolphUniversity of Technology Sydney

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Implication

Numerical simulations assess multiaxial fatigue in austenitic stainless steels, revealing implications for reactor safety.

Key Points

  • Fatigue testing reveals crucial insights for the reliability of nuclear reactor components under operating conditions.
  • Using experimental data, the study investigates fatigue lifetime under variable amplitude loading and multiaxial conditions.
  • A novel multilinear kinematic elastic plastic model is applied to validate fatigue assessments in reactor internals.
  • Results highlight the importance of comparing experimental and analytical methods to improve design guidelines.

Cite This Study

Veile et al. (2025) studied this question.

synapsesocial.com/papers/68e8439a9989581a2fd4e1f4https://doi.org/10.1115/pvp2025-153381
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