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Are the Paris' law parameters dependent on each other?

Carpinteri, Alberto and Paggi, Marco Are the Paris' law parameters dependent on each other? In: IGF 19: Atti del XIX convegno nazionale del Gruppo Italiano Frattura. Gruppo Italiano Frattura, pp. 217-224. ISBN 9788895940199 (2007)

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The question about the existence of a correlation between the parameters C and m of the Paris’ law is re-examined in this paper. According to dimensional analysis and incomplete self-similarity concepts applied to the linear range of fatigue crack growth, a power-law asymptotic representation relating the parameter C to m and to the governing variables of the fatigue phenomenon is derived. Then, from the observation that the Griffith-Irwin instability must coincide with the Paris’ instability at the onset of rapid crack growth, the exponents entering this correlation are determined. A fair good agreement is found between the proposed correlation and the experimental data concerning Aluminium, Titanium and steel alloys

Item Type: Book Section
Additional Information: 19° Convegno Nazionale del Gruppo Italiano Frattura, Milano, Italy, 2-4 July 2007
Subjects: T Technology > TJ Mechanical engineering and machinery
Research Area: Computer Science and Applications
Depositing User: Prof Marco Paggi
Date Deposited: 25 Nov 2013 12:21
Last Modified: 09 Oct 2014 09:20
URI: http://eprints.imtlucca.it/id/eprint/1948

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