Podcast
Questions and Answers
What is the primary type of corrosion that affects metals?
What is the primary type of corrosion that affects metals?
- Galvanic corrosion
- Electrochemical corrosion (correct)
- Electrolytic corrosion
- Chemical corrosion
What is the process facilitated by the presence of a suitable electron acceptor?
What is the process facilitated by the presence of a suitable electron acceptor?
- Depolarization reaction
- Reduction reaction
- Electrochemical corrosion (correct)
- Oxidation reaction
What can corrosion be viewed as?
What can corrosion be viewed as?
- The spontaneous return of metals to their ores (correct)
- The transformation of metals into energy
- The creation of new metal compounds
- The destruction of metal structures
What is the estimated annual cost of corrosion in the U.S.?
What is the estimated annual cost of corrosion in the U.S.?
Which industries suffer the largest economic impact due to corrosion?
Which industries suffer the largest economic impact due to corrosion?
What is a characteristic of most corrosion processes?
What is a characteristic of most corrosion processes?
What feature of metals allows electrons to flow from the anodic to the cathodic regions, facilitating corrosion?
What feature of metals allows electrons to flow from the anodic to the cathodic regions, facilitating corrosion?
What is the primary purpose of water in the corrosion process?
What is the primary purpose of water in the corrosion process?
What is the result of the reduction of oxygen gas in the corrosion process?
What is the result of the reduction of oxygen gas in the corrosion process?
Why do atoms in regions that have undergone stress tend to become anodic?
Why do atoms in regions that have undergone stress tend to become anodic?
Why are hidden sites often more prone to corrosion?
Why are hidden sites often more prone to corrosion?
What is the result of the high pH produced in cathodic regions?
What is the result of the high pH produced in cathodic regions?
