Maraging steels derive their strength from the following mechanism:
A
A fine, highly dislocated and strong martensite
B
Fine dispersions of intermetallics of Fe, Ni, Ti etc
C
Fine dispersions of alloy carbides in a ferrite matrix
D
Fine dispersions of Fe<sub>3</sub> C nucleated on dislocations in austenite
Correct Answer: A fine, highly dislocated and strong martensite