Crack growth based on energy balance

Gdoutos, E. E.

doi:10.1007/978-94-009-1956-3_4

Cited by 1 publication

(1 citation statement)

References 42 publications

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“…Under the crack initiation theory, the hypothesis of no initial defects in the adhesive is made, and the fatigue lifetime predicted corresponds to the onset of a crack 2 . In terms of crack propagation, first works are usually attributed to Griffith and Taylor, 3,4 where the fracture mechanics theory is implemented to characterize the growth of a pre‐existing crack in deformable continuum media, 5 especially for brittle materials that present little or no plastic behavior. Later on, Orowan 6 started to correct this assertion, taking into account the plasticization of materials such as metals or polymers.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the fracture properties of adhesively bonded joints submitted to fatigue loads using the Arcan fixture

Bernolin

Stamoulis

Bidaud

et al. 2022

Fatigue Fract Eng Mat Struct

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In the present study, the crack propagation behavior under cyclic loading of an epoxy-based adhesive was investigated by the means of an Arcan device, in the mixed-mode plane I+II. The strain energy release rate (SERR) was calculated through an inverse identification method using a Finite Element (FE) modeling. The evolution of the cracked surfaces revealed three main stages during the tests. It was found that under fatigue loading, the crack propagated at a value of SERR per cycle lower than the values of the critical SERR calculated under monotonic loads. The evolutions of the crack propagation rate against the SERR are also provided to highlight the effects of the mixedmode ratio on fatigue crack propagation.

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Section: Introductionmentioning

confidence: 99%