Visual Assessment of Exfoliation Corrosion
Susceptibility of 5XXX Series Aluminum Alloys (ASSET Test) (ASTM G66-99(2005)e1)
During a 7/56-day inspection on an SH-60B aboard USS Reuben James (FFG-57), Petty Officer Sadler prevented a possible mishap when he noticed serious exfoliation corrosion
on the hinge bracket of the APU door.
1) While pitting corrosion was observed in filaments, (18,37,40,48) exfoliation corrosion
had not been seen in previous studies of filiform corrosion on CrCC AA2024-T3.