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November 14, 2025Fatigue of Aircraft StructuresOpen Access

Energetic and Fractographic Investigation of Crack Growth Under Variable Amplitude Loading

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Authors

MBMohamed BenguediabTKTayeb KebirALAbdelkader LAHCENE

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Overview

Investigation shows that fatigue crack propagation varies with loading types, indicating energy parameters influence growth mechanisms.

Key Points

  • Crack propagation rates differ under variable-amplitude loading, highlighting energy's role.
  • Key findings include trends correlating dissipated energy with crack growth in aluminum alloy.
  • Assessment using quantitative microfractographic observations via scanning electron microscopy reveals crucial features.
  • Proposed model enables equivalence between variable and constant-amplitude loading patterns for better predictions.

Cite This Study

Benguediab et al. (2025) studied this question.

synapsesocial.com/papers/69251999c0ce034ddc3539a4https://doi.org/10.2478/fas-2025-0002
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