Question
Download Solution PDFWhich of the following process is not used for case hardening?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Case hardening:
- It is a method used to harden the outer surface of low-carbon steel while leaving the centre or core soft and ductile.
- It involves heating the metal to its critical temperature in some carbonaceous material.
- The following methods are commonly used:
- Carburizing
- Cyaniding
- Nitriding
- Induction Hardening
- Flame hardening
Heat treatment:
- It is an operation involving heating and cooling of a metal or alloy.
- It is done to improve certain desirable properties.
- A few important heat treatment processes are:
- Annealing
- Normalising
- Hardening
- Tempering
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