PSI - Issue 10

A. Karanika et al. / Procedia Structural Integrity 10 (2018) 66–72 A. Karanika et al. / Structural Integrity Procedia 00 (2018) 000 – 000

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Fig. 1. SEM images of the AA2198 after surface preparation and before anodization and/or Sol Gel.

Parameter Description

Value 43 g/L

Sulfuric acid

D.I. Water

Rem

24-27 o C

Temperature

Total Immersion time

24-26 min

Final voltage

15-15.5 V (ramp-up max 5V/min)

Cathodes Agitation

Pb

Magnetic stirring

Fig. 2. (left) Experimental setup for the TFSAA, (right) TFSAA process parameters.

3. Results and discussion

3.1. Mechanical properties of the new alloys The tensile and fatigue mechanical test results on reference 2060-T8E30 alloy specimens have been compared with the respective properties of the ‘conventional’ aeronautical 2024 -T851 alloy. Typical tensile force-strain curves