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        Fatigue crack growth simulation in railway axles

        Author
        De Iorio, Antonio
        Grasso, Marzio
        Penta, Francesco
        Pucillo, Giovanni Pio
        Attention
        2299/16917
        Abstract
        In order to carry out the railway axle design according to the "Damage Tolerance" philosophy, reliable crack-growth models for these kind of components are necessary. Indeed, damage tolerance principles have received more and more attention from railway technical community, thanks to its ambitious task concerning the inspection intervals prevision of railway components subjected to non-stationary loading conditions. In this paper, a simple routine is exposed that is able to calculate the characteristic parameters of the Linear Elastic Fracture Mechanics (LEFM) for a generic cracked mechanical component. Such parameters are then used in a two parameters propagation law to estimate the necessary time for a crack to become critical.
        Publication date
        2011-09
        Published in
        Advances in Fracture and Damage Mechanics X
        Published version
        https://doi.org/10.4028/www.scientific.net/KEM.488-489.407
        Other links
        http://hdl.handle.net/2299/16917
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