Question 1

For an equilibrium cooled alloy of 92%D/8%C, which of the above diagrams best represents the microstructure at 0°C?

Question 2

For an equilibrium cooled alloy of 75%C/25%D, which of the diagrams above best represents the microstructure at 0°C?

Question 3

For an equilibrium cooled alloy of 15%C/85%D, which of the diagrams above best represents the microstructure at 195°C?

Question 4

For an equilibrium cooled alloy of 15%C/85%D, which of the diagrams above best represents the microstructure at 0°C? This is a difficult question. You will need to be careful in determining your answer.

Question 5

For an equilibrium cooled alloy of 40%C/60%D, which of the diagrams above best represents the microstructure at 595°C?

Question 6

For an equilibrium cooled alloy of 80%C/20%D at 0°C, indicate the total amount of á phase that is present.

Question 7

For an equilibrium cooled alloy of 75%C/25%D at 0°C, indicate the amount of primary á phase that is present.

Question 8

For an equilibrium cooled alloy of 80%C/20%D at 0°C, indicate the amount of primary ã phase that is present.

Question 9

For an equilibrium cooled alloy of 45%C/55%D at 0°C, indicate the total amount of eutectoid mixture that is present.