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Fatigue strength of metallic and composite materials under repeated high-cycle bending

Research paper by V. P. Golub, A. D. Pogrebnyak, E. S. Kochetkova

Indexed on: 01 May '06Published on: 01 May '06Published in: International Applied Mechanics



Abstract

The problem of fatigue strength analysis of metallic and composite materials subjected to combined static and cyclic bending is resolved. The analysis is based on limit-state models, which allow describing limiting-stress curves of all known shapes, including convex, rectilinear, S-shaped, and concave. The fatigue strength of the following materials is evaluated: carbon and alloyed steels, aluminum alloys, unidirectional organic plastics, laminated plastics, and glassfiber-reinforced plastics. The calculated and experimental data are in satisfactory agreement