Corrosion-Fatigue Crack Growth in Plates: A Model Based on the Paris Law
AbstractIn this paper, a Paris law-based model is presented whereby crack propagation occurs under cyclic loading in air (fatigue) and in an aggressive environment (corrosion-fatigue) for the case of corner cracks (with a wide range of aspect ratios in the matter of the initial cracks) in finite-thickness plates of 316L austenitic stainless steel subjected to tension, bending, or combined (tension + bending) loading. Results show that the cracks tend during their growth towards a preferential propagation path, exhibiting aspect ratios slightly lower than unity only for the case of very shallow cracks, and diminishing as the crack grows (increasing the relative crack depth)—more intensely in the case of bending than in the case of tension (the mixed loading tension/bending representing an intermediate case). In addition, the crack aspect ratios during fatigue propagation evolution are lower in fatigue (in air) than in corrosion-fatigue (in aggressive environment). View Full-Text
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Toribio, J.; Matos, J.-C.; González, B. Corrosion-Fatigue Crack Growth in Plates: A Model Based on the Paris Law. Materials 2017, 10, 439.
Toribio J, Matos J-C, González B. Corrosion-Fatigue Crack Growth in Plates: A Model Based on the Paris Law. Materials. 2017; 10(4):439.Chicago/Turabian Style
Toribio, Jesús; Matos, Juan-Carlos; González, Beatriz. 2017. "Corrosion-Fatigue Crack Growth in Plates: A Model Based on the Paris Law." Materials 10, no. 4: 439.
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