315Dental MaterialsMedium
Age hardening is a process done at________?
AHeating above 700°C for 30 min and quenching in water
BHeating at 700°C for 10 – 15 min and quenching in water
CHeating up to 200 – 450°C for 15 – 30 min and quenching in water
DHeating at 700°C for 1 hour and quenching in water
Correct answer
C. Heating up to 200 – 450°C for 15 – 30 min and quenching in water
Explanation
The correct answer is Heating up to 200 – 450°C for 15 – 30 min and quenching in water.