Metallurgical Engineering > GATE 2022 > Martensite
With increase in carbon content (up to 2 mass%) in Fe-C alloy, which one of the following statements is correct with respect to the lattice parameters (c and a) of BCT martensite?
A
Both c and a increase
B
c increases but a decreases
C
c decreases but a increases
D
Both c and a decrease

Correct : b

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