Microstructure of Various Steels (hypoeutectoid, eutectoid and hypereutectoid)
1. What is the primary microstructure in hypoeutectoid steels with less than 0.8 wt% C?
2. What transformation occurs when autenitic phase transforms into laminar structure of ferrite and cementite (called pearlite)?
3.What phases are formed during the eutectoid reaction in steels?
4.What is the name of the microstructure formed by the eutectoid reaction in steels?
5. Which of the following best represents the eutectoid reaction in steel?
6. What phases are present in the microstructure of a hypoeutectoid steel at room temperature?
7. At what temperature does austenite begin to transform to ferrite in hypoeutectoid steels?