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Phases like Bainite, Pearlite & Martensite are transformed from ______.

Q.  
Phases like Bainite, Pearlite & Martensite are transformed from ______.


Answer & Explanation

Phases like Bainite, Pearlite, and Martensite are transformed from austenite. These phases form during cooling or quenching, depending on the cooling rate and composition of the steel.

Thus correct option is: A.

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More Questions Engineering Metallurgy:

Q.  
The austenite phase visible in microscope at room temperature is

A. Lower temperature austenite

B. Tempered austenite

C. Weak austenite

D. Retained austenite


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Q.  
Corrosion resistance of steel is increased by adding

A. Cr

B. Ni

C. Al

D. W


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Q.  
Pearlite is ______.

A. Diffusion transformation

B. Diffusionless transformation

C. Both

D. None


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