Group I lists phases of steel and Group II lists crystal structures in the table below.
|
Group I |
Group II |
|
P. Ferrite |
1. Hexagonal Close Packed (HCP) |
|
Q. Austenite |
2. Body Centered Cubic (BCC) |
|
R. Martensite |
3. Body Centered Tetragonal (BCT) |
|
|
4. Face Centered Cubic (FCC) |
Match the phase with the corresponding crystal structure.
1
P - 2, Q - 4, R - 3
2
P - 4, Q - 2, R - 3
3
P - 2, Q - 4, R - 1
4
P - 4, Q - 2, R - 1