On the influence of different in-plane biaxial loading conditions over FCG lives

Candeias, J.; Baptista, R.; Cláudio, R.A.; Reis, L.; Freitas, M.

doi:10.1016/j.ijfatigue.2021.106714

Cited by 2 publications

(1 citation statement)

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“…Fatigue cracks grow in the opening mode I and in a mixed mode, 3,4,12,23,34,35 and they can also grow in a shear mode. [24][25][26][27] For simplicity, when numerically or experimentally dealing with cracked plates in biaxial loading, the majority of researchers either (1) adjusted the crack-load system to produce an open crack with mixed-mode I/II CTD or (2) assumed smooth crack surfaces in the presence of closed cracks with the pure mode II CTD.…”

Section: Introductionmentioning

confidence: 99%

Mixed‐mode I/II stress intensity factors of a biaxially loaded plate with a central slant frictional crack: An analytical comprehensive solution

Hammouda

2023

Fatigue Fract Eng Mat Struct

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This work presents a comprehensive analytical solution for the mixed‐mode I/II stress intensity factor of a biaxially loaded plate that has a centrally straight inclined crack with frictional surfaces. The solution addresses every possible combination of coefficient of friction, biaxial ratio, crack length, and angle. The present results agree with the available corresponding finite element solutions. For the tension‐compression and compression‐tension biaxial loading, crack angles are recognized to achieve pure mode I, pure mode II, and mixed‐mode crack tip deformation in terms of stress biaxiality and friction coefficient. In the compression‐compression biaxial loading, only mode II crack tip deformation is operative. The ranges of crack angles necessary to produce dormant cracks are determined for the biaxial loading patterns, where a compressive stress is involved, as a function of the biaxial ratio and friction coefficient. It is possible to apply the present solution to cracked plates with two‐dimensional stresses that include a shear stress.

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