The lifting or flaking of the metal at the surface due to delamination of grain boundaries caused by the pressure of corrosion is
- exfoliation.
- electrolysis.
- transgranulation.
Explanation from PART66Online
Exfoliation is corrosion that progresses along grain boundaries lying parallel to the surface; the bulky corrosion products force the layers apart, lifting and flaking the metal like the leaves of a book. Electrolysis is the electrochemical process itself, and transgranulation is not a corrosion term, so the described appearance is exfoliation.
R
regiboy asked · 16 Apr 2019
Why?
Community Comments (2)
J
Jordi
18 May 2020
because exfoliation is the type of corrosion that flaking and generall loss of meterial is observed.
J
Jordi
18 May 2020
it is the advanced type of intercrangular corrosion
Please Sign In to post a comment.
More discussions in 6. Materials & hardware
- Intergrannular corrosion in structural aluminium alloy parts
- Surface corrosion on stainless steel is identified by
- Spilled mercury on aluminium
- When examining a piece of metal through a magnifying glass, hair line cracks would indicate
- In the anodic film inspection and sealing test, if a good seal has been accomplished
- A non-electrolytic chemical treatment for aluminium alloys to increase corrosion resistance and paint bonding qualities is called