When a Fe-0.4 wt% C steel is austenitised at 1000oC for 30 minutes and is slow cooled to room temperature we expect eute

[answerhappygod]

When a Fe-0.4 wt% C steel is austenitised at 1000oC for 30
minutes and is slow cooled to room temperature we expect eutectoid
alpha-iron, pro-eutectoid alphairon and cementite to form. If
instead a Fe-1.3 wt% C steel is austenitised at 1000oC for 30
minutes and is slow cooled to room temperature we expect alphairon,
eutectoid cementite and pro-eutectoid cementite to form. Use the
equilibrium phase diagram together with the lever rule to describe
as quantitatively as possible the key difference in terms of
phases, phase fractions and microstructure between these alloys.
Include sketches which illustrate (i) the stages in the development
of the microstructures and (ii) the mechanisms of the phase
transformations.