_________ is a change in the microstructure of certain carbon steels and 0.5Mo steels after long-term operation in the 800º F to 1100º F range that may cause a loss in strength, ductility and/or creep resistance.
A) Embrittlement
B) Carburization
C) Graphitization
D) Sensitization

Question

Quizplus · Accepted Answer

Graphitization is the change in the microstructure of certain carbon steels and 0.5Mo steels after long-term operation in the 800º F to 1100º F range, leading to a loss in strength, ductility, and/or creep resistance.

_________ Is a Change in the Microstructure of Certain Carbon