Q190
Age-hardening is related with
A.
Stainless steel
B.
Gun metal
C.
German silver
D.
Duralumin
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
age hardening is a heat treatment technique used to increase the yield strength of malleable materials, including most structural alloys of aluminium, magnesium, nickel, titanium, and some steels and stainless steels.Age-hardening is related with duralumin