High-resolution methods of metal physics research including electron, laser and optical microscopy are used to study the kinetics of the accumulation of slip lines and bands and the corrosion damage in the plastic zone of specimens of aluminum-lithium alloys 1441 and B-1469 in rigid-cycle fatigue tests under the joint action of applied stresses and corrosive environment. The strain parameters (the density of slip bands, the sizes of plastic zones near fracture, the surface roughness in singled-out zones) and the damage parameters (the sizes of pits and the pitting area) are evaluated.
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The work has been performed with financial support of the Russian Foundation for Basic Research (Project 13-08-12081-ofi_m).
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 16 – 22, April, 2017.
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Morozova, L.V., Zhegina, I.P., Grigorenko, V.B. et al. Kinetics of Accumulation of Damage in Surface Layers of Lithium-Containing Aluminum Alloys in Fatigue Tests with Rigid Loading Cycle and Corrosive Effect of Environment. Met Sci Heat Treat 59, 211–217 (2017). https://doi.org/10.1007/s11041-017-0131-z
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DOI: https://doi.org/10.1007/s11041-017-0131-z