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Maraging steels derive their strength from the following mechanism: | |
A. | A fine, highly dislocated and strong martensite. [Correct Answer] |
B. | Fine dispersions of intermetallics of Fe, Ni, Ti etc. [Wrong Answer] |
C. | Fine dispersions of alloy carbides in a ferrite matrix. [Wrong Answer] |
D. | Fine dispersions of Fe3 C nucleated on dislocations in austenite. [Wrong Answer] |