The Mechanism of Fatigue: A Review

AT A FATIGUE SESSION organised by the A.S.T.M. in 1949, R. E. Peterson presented a brief introductory paper ( 1) in which lie referred to a discussion on the fatigue of metals which took place in England in 1849, and then proceeded to review some of the subsequent researches concerning the mechanism of fatigue. In the course of the review, he discussed metallograpl1ic studies with single crystals and polycrystalline materials, studies with X-ray methods, and the application of the electron microscope.
Keywords: Age-llardening Aluminum, fatigue limit, plastic deformation, strain hardening, stress concentration, Cycles, deformation, Deformations, failures, Fatigue, metals, Propagation, Strain, stress
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