Plastics. Determination of tension-tension fatigue crack propagation. Linear elastic fracture mechanics (LEFM) approach has-digital growing in Reunion Island

growing in Reunion Island

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Plastics. Determination of tension-tension fatigue crack propagation. Linear elastic fracture mechanics (LEFM) approach has-digital growing in Reunion Island1 Scope This International Standard specifies a method for measuring the propagation of a crack in a notched specimen subjected to a cyclic tensile load varying between a constant positive minimum and a constant positive maximum value. The test results include the crack length as a function of the number of load cycles and the crack length increase rate as a function of the stress intensity factor and energy release rate at the crack tip. The possible