Energy Concepts and Critical Plane for Fatigue Assessment of Ti-6Al-4V Notched Specimens
Camilla Ronchei, Andrea Carpinteri, Sabrina Vantadori
Applied Sciences · 2019
doi:10.3390/app9102163 (opens in a new tab)
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Abstract
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.
Abstract licence: CC BY
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