Which one of the following metals would work-harden more quickly than the others?
A
Copper
B
Brass
C
Lead
D
Silver
Correct Answer: Brass
Unlike steel alloys, brass cannot be hardened by heating.Brass can only be strain or work-hardened.
The hardening occurs when the material is worked mechanically, e.g. by cold working.
The action of force does not harden brass