Article number 109171A microstructural model is presented to assess pit-to-crack transition and corrosion fatigue strength in pitted
components in different environments. The model is first validated using available experimental data in the
literature for pitting corrosion fatigue strength and S-N curves for both carbon and stainless steels. The value of
the method proposed and its applicability is then shown by the development of fatigue knock down factor maps
to the in-air S-N curve. Finally, the influence of pit local topology on pit-to-crack transition damage tolerance and
the links to the NDE methods quantitative resolution necessary to account for defect shape or acuity in structural
integrity assessments are discussedMinisterio de Educación DPI2014-56904-PMinisterio de Educación DPI2017-84788-PConsejo de Investigación de Ingeniería y Ciencias Físicas del Reino Unido EP / S012362 /