Analysis of short crack growth test data

Seetharam, SA and Dash, PK (1990) Analysis of short crack growth test data. Journal of Aeronautical Society of India, 42. pp. 43-50.

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Emperical relation is developed to correlate crack length versus number of cycles data generated in a fatigue crack growth test. This expression gives a good fit to the a-N data and provides a monotonically increasing crack growth rate with crack length. Crack growth rates at vanishingly short crack lengths obtained by extrapolation leads to a consistent prediction of stress dependent13; short crack behavior. This relation is compared with other existing techniques for a-N data processing.

Item Type: Article
Uncontrolled Keywords: Crack propagation;Fatigue (Materials);Fatigue tests;S-N diagrams;Short cracks;Aluminum alloys;Data correlation; Polynomials
Subjects: ENGINEERING > Structural Mechanics
Depositing User: M/S ICAST NAL
Date Deposited: 17 Mar 2008
Last Modified: 24 May 2010 04:25

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