Abstract
Initiation and propagation of cracks in rotating disks may cause catastrophic failures. Therefore, determination of fracture parameters under different working con-ditions is an essential issue. In this paper, a comprehensive study of stress intensity factors (SIFs) in rotating disks containing three-dimensional (3D) semi-elliptical cracks subjected to different working conditions is carried out. The effects of mechanical prop-erties, rotational velocity, and orientation of cracks on SIFs in rotating disks under cen-trifugal loading are investigated. Also, the effects of using composite patches to reduce SIFs in rotating disks are studied. The effects of patching design variables such as me-chanical properties, thickness, and ply angle are investigated separately. The modeling and analytical procedure are verified in comparison with previously reported results in the literature.
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Fakoor, M., Ghoreishi, S.M.N. Comprehensive investigation of stress intensity factors in rotating disks containing three-dimensional semi-elliptical cracks. Appl. Math. Mech.-Engl. Ed. 38, 1565–1578 (2017). https://doi.org/10.1007/s10483-017-2273-9
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DOI: https://doi.org/10.1007/s10483-017-2273-9