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Fatigue crack growth behavior under multiaxial variable amplitude loading
Frattura ed Integrità Strutturale
This study compares both uniaxial and multiaxial variable amplitude experimental crack growth data for naturally initiated fatigue cracks in tubular specimens of 2024-T3 aluminum alloy to predictions based on two state-of-the-art analysis codes: UniGrow and FASTRAN. For variable amplitude fatigue tests performed under pure axial nominal loading conditions, both UniGrow and FASTRAN analyses were found to produce mostly conservative growth life predictions, despite good agreement with constantdoi:10.3221/igf-esis.37.23 fatcat:xfwhno5p25atjangfjap64ndhm