Question

Which of the following type of corrosion that occurs at contact areas between materials under load subjected to vibration or relative motion?

(a) Fretting corrosion

(b) Crevice corrosion

(c) Cavitation damage

(d) Pitting corrosion

This question was posed to me in an interview for job.

I'm obligated to ask this question of Eight Forms in section Eight Forms of Corrosion of Corrosion Engineering

Answer 1

The correct answer is (a) Fretting corrosion

Best explanation: Fretting corrosion is the special type of erosion-corrosion that occurs at the contact areas between materials under load subjected to vibration or relative motion.