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Metallurgical Engineering · Q137

Physical Metallurgy

Engineering and GATE · Metallurgical Engineering · question 137

Q137

Maraging steels derive their strength from the following mechanism:

A.
A line, highly dislocated and strong martensite
Answer
B.
Fine dispersions of intermetallics of Fe, Ni, Ti etc.
C.
Fine dispersions of alloy carbides in a ferrite matrix
D.
Fine dispersions of Fe3C nucleated on dislocations in austenite

Answer: Option A

Solution

Answer: Option A
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