Chemical Engineering - Chemical Engineering Basics - Discussion

Discussion Forum : Chemical Engineering Basics - Section 2 (Q.No. 8)
8.
Sub zero treatment of steel is done to
suppress martensite transformation.
enhance its working performance in sub zero atmosphere.
reduce the retained austenite in hardened steel.
induce temper brittleness after its hardening.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Vivek jangde said:   1 decade ago
A Sub Zero Treatment has been devised to reduce the retained Austenite in hardened steel. It consists in cooling the metal to Sub Zero Temperature.

This treatment is suitable only when the temperature at which the Martensite transformation is completed (Mf) is below Zero.

Post your comments here:

Your comments will be displayed after verification.