Pitting corrosion of aluminum or magnesium alloy first appears as
a. white powdery deposit on the metal surface.
b. brown dust blotches over the metal surface.
c. gray blistering of the metal surface.
d. surface swelling of the metal
Answer: A
Pitting corrosion of aluminum or magnesium alloy first appears as
a. white powdery deposit on the metal surface.
b. brown dust blotches over the metal surface.
c. gray blistering of the metal surface.
d. surface swelling of the metal
Answer: A