Damage due to __________ is not visible and can only be observed by metallographic examination.
A) Galvanic corrosion
B) Brittle fracture
C) Cavitation
D) Graphitization

Question

Quizplus · Accepted Answer

Graphitization is a metallurgical phenomenon that occurs when carbon steel is exposed to high temperatures over a long period of time. The carbon in the steel migrates to the surface and forms graphite, resulting in a loss of strength and ductility. This process is not visible and can only be detected through metallographic examination.

Damage Due to __________ Is Not Visible and Can Only