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.


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    Title :

    Fatigue Crack Growth Simulation in Railway Axles



    Published in:

    Key Engineering Materials ; 488-489 ; 407-410


    Publication date :

    2011-09-21


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Simulation of fatigue crack propagation in railway axles

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    Hillmansen, S / Smith, R A | SAGE Publications | 2004


    The management of fatigue crack growth in railway axles

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    The management of fatigue crack growth in railway axles

    Hillmansen, S. / Smith, R. A. | British Library Online Contents | 2004