Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 2 (Q.No. 43)
43.
Quenching is not necessary when hardening is done by
case hardening
flame hardening
nitriding
any one of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Virat said:   5 years ago
I think it should be diffusion.

ChetAn said:   6 years ago
Please, explain it in detail.

Thirumalainathan said:   7 years ago
Gas nitriding is a surface hardening process, where nitrogen is added to the surface of steel. Gas nitriding develops a very hard case in a component at relatively low temperature, without the need for quenching.

Tapas said:   8 years ago
Answer is d, all process are increasing carbon % and increase hardness so not required to Quenching.

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