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A plain linear rule for fatigue analysis under natural loading considering the coupled fatigue and corrosion effect

Abstract: Fatigue under variable amplitude loading is currently assessed by applying the Palmgren-Miner linear rule in structural standards. However, this linear rule is inadequate in natural scenarios with coupled fatigue and corrosion effects, because the coupled corrosion-fatigue process synergistically accelerates deterioration. In view of the absence of specifications for the coupled fatigue-corrosion effect in structural standards, the objective here is to develop a simple and practical correction factor that will ensure a conservative linear summation of damage, taking the corrosion-fatigue effect into account. The theoretical consistency and the feasibility of the new adapted rule are tested in a case study.

 Autoría: Calderon-Uriszar-Aldaca I., Briz E., Biezma M., Puente I.,

 Fuente: International Journal of Fatigue, 2019, 122, p. 141-151

Editorial: Elsevier

 Fecha de publicación: 01/05/2019

Nº de páginas: 11

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.ijfatigue.2019.01.008

ISSN: 0142-1123,1879-3452

Url de la publicación: https://doi.org/10.1016/j.ijfatigue.2019.01.008