A method for constant amplitude fatigue crack propagation data correlation

Sunder, R (1979) A method for constant amplitude fatigue crack propagation data correlation. In: Fracture Mechanics in Engineering Application, 26-30 Mar 1979, Bangalore, India.

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Abstract

An empirical relationship for fatigue crack growth rate and a procedure for relatively accurate correlation of constant-amplitude data are presented. The relationship uses the crack closure concept of Elber (1971) to account for the stress ratio effect and the theory of discrete fatigue crack propagation proposed by Ivanova (1975) to account for the changes in the slope of the crack growth rate curve. The relationship is limited to fatigue crack growth under constant amplitude loading and does not include the effect of material thickness or environmental effects.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Crack propagation;Stress effects;Fatigue life;Aluminium alloys;Fracture mechanics;Metal fatigue;Stress intensity factors;Computer programs;Load distribution (forces); Propagation velocity;Stress ratio
Subjects: AERONAUTICS > Aeronautics (General)
Division/Department: Materials Science Division
Depositing User: M/S ICAST NAL
Date Deposited: 30 Nov 2006
Last Modified: 24 May 2010 09:53
URI: http://nal-ir.nal.res.in/id/eprint/3561

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