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Titolo: An experimental–numerical approach for the analysis of internally cracked railway wheels
Autori: 
Data di pubblicazione: 2008
Rivista: 
WEAR  
Citazione: An experimental–numerical approach for the analysis of internally cracked railway wheels / GUAGLIANO M; PAU M. - In: WEAR. - ISSN 0043-1648. - 265 (9-10)(2008), pp. 1387-1395.
Abstract: In this paper the problem of the evaluation of the criticality of an internal crack in a railway wheel is dealt with. In particular this paper considers pressure distributions experimentally measured with a technique based on the ultrasonic reflection at the contact interface. A numerical approach is developed to calculate the stress intensity factors of internal cracks under the action of the experimental pressure distributions. Some cases are described and critically discussed: the differences with respect of the corresponding Hertzian pressure distribution are evidenced and the importance of the transversal eccentricity of the crack with respect of the contact patch is underlined.
Handle: http://hdl.handle.net/11584/105879
Tipologia:1.1 Articolo in rivista

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