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Experiments were conducted on aluminum alloy specimens to observe the evolution of surface corrosion damage under controlled electrochemical conditions. After corrosion exposure, the optical microscope was used to measure the corrosion pits density and size on the surface of specimens. Based on the measured data sets of surface corrosion damage ratio, the probabilistic model of corrosion damage evolution...
In this paper, the life prediction method of corroded aircraft aluminum alloy structure was proposed. The stress multiplication of aluminum alloy structure subjected to pitting corrosion damage was simulated by ANSYS software. Based upon the simulation results, the AFGROW software was used to carry out the crack growth analyses, the life cycles of corroded structure were estimated, and a very good...
In this paper, the corrosion damage of the aluminum alloy specimens were studied at different temperature for various corrosion times. The surface corrosion damage ratio of aluminum alloy structure was defined to reveal the degree of pit corrosion intensity. Based on the probability model of pitting corrosion growth, a new probability model capable of simulating the surface corrosion damage is developed...
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