Q. Which of the following is a nonmagnetic iron?

View solution

Q. Cementite is magnetic up to ________

View solution

Q. ___________ is a mixture of radial lamellae of ferrite and cementite.

View solution

Q. ___________ is a eutectic mixture of α iron and Fe₃C.

View solution

Q. The eutectic point in the iron-iron carbide phase diagram occurs at __________ weight % composition of carbon.

View solution

Q. At what temperature does δ ferrite melt?

View solution

Q. What is the solubility of α ferrite at 0°C?

View solution

Q. What is the crystal structure of austenite upon heating?

View solution

Q. How much iron does cementite contain?

View solution

Q. What is the maximum solubility of carbon in austenite at 1148°C?

View solution

Q. At what temperature does peritectic reaction occur?

View solution

Q. Peritectic reactions are applicable for carbon contents up to _________

View solution

Q. How much austenite does eutectic reaction form?

View solution

Q. At what temperature does eutectoid reaction occur?

View solution

Q. Composition up to 0.008% carbon is considered as _________

View solution

Q. Steels containing 0.8% C are called ________

View solution

Q. How much carbon does hypoeutectoid steel contain?

View solution

Q. Eutectoid steel is heated at __________

View solution

Q. Transformation in eutectoid steels is named as _________

View solution

Q. Cooling of hypoeutectoid steel post heating forms __________ ferrite.

View solution