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Inicio  /  Applied Sciences  /  Vol: 9 Par: 10 (2019)  /  Artículo
ARTÍCULO
TITULO

Energy Concepts and Critical Plane for Fatigue Assessment of Ti-6Al-4V Notched Specimens

Camilla Ronchei    
Andrea Carpinteri and Sabrina Vantadori    

Resumen

In the present paper, the fatigue life assessment of notched structural components is performed by applying a critical plane-based multiaxial fatigue criterion. Such a criterion is formulated by using the control volume concept related to the strain energy density criterion. The verification point is assumed to be at a given distance from the notch tip. Such a distance is taken as a function of the control volume radii around the notch tip under both Mode I and Mode III loading. The accuracy of the present criterion is evaluated through experimental data available in the literature, concerning titanium alloy notched specimens under uniaxial and multiaxial fatigue loading.

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