Abstract
In this paper, the stress intensity factors associated with longitudinal axial cracks in pressurised autofrettaged thick cylinders are calculated using the Boundary Element (BE) method. The effect on the stress intensity factors of the presence of a semi-circular erosion on the bore is investigated. Two loading cases are considered; internal pressure and autofrettage residual stresses. The residual stresses are incorporated by using a crack face loading based on the principle of superposition. The effect of the erosions and cracks on the fatigue lifetimes is calculated using the Paris law.
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Becker, A.A., Plant, R.C.A. & Parker, A.P. Axial cracks in pressurised eroded autofrettaged thick cylinders. Int J Fract 63, 113–134 (1993). https://doi.org/10.1007/BF00017281
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DOI: https://doi.org/10.1007/BF00017281