The tempering process consists of heating the hardened steel to the appropriate tempering temperature and soaking at this temperature, for a definite period.
6) The toughness in a steel is increased and brittleness is decreased by a heat treatment operation called as
Answer is:
Tempering
Explanation:
Related Heat Treatment MCQ with Answers
Answer is:
Nitriding
Explanation:
In the nitriding process, the surface is enriched not with carbon, but with nitrogen. There are two systems in common use, gas nitriding and salt bath nitriding.
Answer is:
Case Hardening
Explanation:
List of case hardening or surface hardening methods are
Carburising
Cyaniding
Nitriding
Induction hardening
Flame hardening
Answer is:
To build up hardening structure
Explanation:
After heating up to required hardening temperature, tool steels be quenched to build up hardening structure.
Answer is: