Fig. 18: Degradation of the tensile mechanical properties at different ageing conditions due to EXCO-exposure for different times. | npj Materials Degradation

Fig. 18: Degradation of the tensile mechanical properties at different ageing conditions due to EXCO-exposure for different times.

From: Corrosion of aluminium alloy AA2024-Τ3 specimens subjected to different artificial ageing heat treatments

Fig. 18

Figure (a) shows the conventional yield stress Rp0.2% and figure (b) the elongation at fracture Af values for each ageing temper and at different exposure time to EXCO solution. Each point in the curves represents the average value of the respective property which was extracted from at least three specimens of AA2024-T3 of each artificially aged condition and in different exposure time to EXCO. The standard deviation of the values was also calculated and included in the figure as error bars. The equation of the fitting curve is also included in the figure.

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