Fatigue life prediction of notched components based on a new nonlinear continuum damage mechanics model

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Abstract

A CDM (continuum damage mechanics) model for damage evaluation is here considered and applied to the study of two different typologies of notched and cylindrical specimens. The model presents some parameter and authors determined them in a previous work testing cylindrical and smooth specimens. Firstly fatigue characterization was conducted and the SN curves found. In order to evaluate the capability of CDM model to predict the sequence effect and to simulate a more realistic loading condition, tests with various loading blocks were carried on and in particular high-low, low-high and random blocks were applied to the three specimens considered. Model previsions showed good agreement with results for each geometry considered. © 2010 Published by Elsevier Ltd.

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Giancane, S., Nobile, R., Panella, F. W., & Dattoma, V. (2010). Fatigue life prediction of notched components based on a new nonlinear continuum damage mechanics model. In Procedia Engineering (Vol. 2, pp. 1317–1325). https://doi.org/10.1016/j.proeng.2010.03.143

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