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The super saturated solution of carbon in iron BCT structure is known as...

Q.  
The super saturated solution of carbon in iron BCT structure is known as ______.


Answer & Explanation

The super-saturated solution of carbon in iron with a body-centered tetragonal (BCT) structure is known as martensite. Martensite forms when austenite is rapidly cooled, trapping carbon atoms in solution.

Thus correct option is: D.

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More Questions Engineering Metallurgy:

Q.  
The hardness of white cast iron is in the range of

A. 150 to 300 BHN

B. 350 to 500 BHN

C. 500 to 700 BHN

D. 800 to 900 BHN


Answer & Explanation

Q.  
At room temperature, hardness, yield strength, tensile strength, fatigue strength and impact strength all ______ with ______ grain size.

A. Decrease, Increase

B. Increase, decrease

C. Increase, Increase

D. Decrease, Decrease


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Q.  
Iron-Carbon phase diagram is a ______.

A. Unary phase diagram

B. Binary phase diagram

C. Tertiary phase diagram

D. Ternary phase diagram


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Q.  
The secondary electrons radiated back in scanning microscope is collected by?

A. specimen

B. anode

C. vacuum chamber

D. cathode


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