Cleaning and Corrosion Vocab

Question 1

Galvanic Corrosion

Answer 1

When two dissimilar metals make electrical contact in the presence of an electrolyte

Question 2

Fretting Corrosion

Answer 2

Corrosion between closely fitting assembled parts that have a slight amount of relative motion

Question 3

Anodic

Answer 3

Metal most likely to corrode

Question 4

Cathodic

Answer 4

Metal least likely to corrode

Question 5

Oxidation

Answer 5

The process of an atom or ion losing electrons

Question 6

Filiform Corrosion

Answer 6

Worm-like corrosion that occurs beneath paint film because of oxygen concentration on metal surfaces containing an organic coating system

Question 6

Aromatic Naptha

Answer 6

A toxic material that attacks acrylics and and rubber products

Question 7

Aliphatic Naptha

Answer 7

A material used to clean surfaces before painting, and clean acrylics and rubber

Question 8

Surface Corrosion

Answer 8

The most common form of corrosion appearing as etching or pitting formed by either direct chemical or electrochemical attacks

Question 9

Pitting Corrosion

Answer 9

A destructive and intense form of corrosion that leaves holes or pits in metals that produce a protective oxide film