Print Email Facebook Twitter How proper similitude can improve our understanding of crack closure and plasticity in fatigue Title How proper similitude can improve our understanding of crack closure and plasticity in fatigue Author Alderliesten, R.C. (TU Delft Structural Integrity & Composites) Date 2016 Abstract The appropriateness of some common similitude principles with respect to describing and predicting fatigue damage propagation is discussed. Linear elastic fracture mechanics have provided a basis to describe damage growth using stress intensity factors or strain energy release rates, both related to the work of Griffith and Irwin. The fatigue crack growth equations presented in the literature are discussed, and it is demonstrated that the principles of similarity in current methodologies have not yet been well established. As a consequence, corrections for the stress ratio effect are misunderstood. An alternative principle of similitude using cyclic work and strain energy release is proposed Subject FatigueCrack growthSimilitudeCrack closurelinear elastic fracture mechanics To reference this document use: http://resolver.tudelft.nl/uuid:fb0ca494-1f5a-40a7-beab-133ca3eae63b DOI https://doi.org/10.1016/j.ijfatigue.2015.04.011 Embargo date 2018-01-31 ISSN 0142-1123 Source International Journal of Fatigue, 82 (2), 263-273 Event 10th fatigue damage of structural materials conference, Hyannis, USA, 2014-09-21 → 2014-09-26, Amsterdam Part of collection Institutional Repository Document type journal article Rights © 2016 R.C. Alderliesten Files PDF IJF_2016.pdf 328.46 KB Close viewer /islandora/object/uuid:fb0ca494-1f5a-40a7-beab-133ca3eae63b/datastream/OBJ/view