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From the lists given below, choose the most appropriate set of heat treatment process and the corresponding process characteristies
Process
P. Tempering
Q. Austempering
R. Martempering
Characteristics
1. Austenite is converted into bainite
2. Austenite is converted into martensite
3. Cementite is converted into globular structure
4. Both hardness and brittleness are reduced
5. Carbon is absorbed into the metal
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- P-3, Q-1, R-5
- P-4, Q-3, R-2
- P-4, Q-1, R-2
- P-1, Q-5, R-4
- P-3, Q-1, R-5
Correct Option: C
In Tempering, both hardness and brittleness are reduced. In Austempering, Austenite is converted into bainite. In Martempering, Austenite gets converted into Martensite.
