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Metallurgical Engineering · Q159

Physical Metallurgy

Engineering and GATE · Metallurgical Engineering · question 159

Q159

A 0.2 wt.% plain carbon steel sheet is heated and equilibrated in the inter-critical region followed by instant water quenching. The microstructure of the quenched steel sheet consists of

A.
fully martensite
B.
proeuteetoid ferrite + martensite
Answer
C.
martensite + pearlite
D.
martensite + austenite

Answer: Option B

Solution

Answer: Option B
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