It is well-known that fatigue failures in VHCF originate from defects present within the risk-volume. Moreover, experimental results have shown that the larger the specimen size and the risk-volume, the shorter is the VHCF life. This is known as size-effect and is generally due to the statistical increment of the defect size with the material volume. In the paper, size-effect in VHCF is critically revised. The experimental results obtained by testing specimens with different sizes are analyzed and the methodologies proposed to model size-effect are discussed, with the aim of guiding the future research on size-effect in VHCF.

Size-effect in Very High Cycle Fatigue: A review / Tridello, A.; Boursier Niutta, C.; Berto, F.; Paolino, D. S.. - In: INTERNATIONAL JOURNAL OF FATIGUE. - ISSN 0142-1123. - STAMPA. - 153:(2021), p. 106462. [10.1016/j.ijfatigue.2021.106462]

Size-effect in Very High Cycle Fatigue: A review

Tridello A.;Boursier Niutta C.;Paolino D. S.
2021

Abstract

It is well-known that fatigue failures in VHCF originate from defects present within the risk-volume. Moreover, experimental results have shown that the larger the specimen size and the risk-volume, the shorter is the VHCF life. This is known as size-effect and is generally due to the statistical increment of the defect size with the material volume. In the paper, size-effect in VHCF is critically revised. The experimental results obtained by testing specimens with different sizes are analyzed and the methodologies proposed to model size-effect are discussed, with the aim of guiding the future research on size-effect in VHCF.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11583/2924041