exfoliation corrosion

exfoliation corrosion

[eks‚fō·lē′ā·shən kə‚rō·zhən]
(metallurgy)
A type of corrosion that progresses parallel to the metal surface in such a manner that underlying layers are gradually separated.
References in periodicals archive ?
One type of corrosion you can easily spot around steel fasteners, as one example, is exfoliation corrosion, which is an advanced form of intergranular corrosion.
Visual Assessment of Exfoliation Corrosion Susceptibility of 5XXX Series Aluminum Alloys (ASSET Test) (ASTM G66-99(2005)e1)
This is characteristic of AE signals related to cracking phenomenon, as observed on metal hydride electrodes [6] and during aluminium exfoliation corrosion [11] or hydrogen embrittlement process [12].
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.