The picture shown below id for a continuous cooling of an eu

The picture shown below id for a continuous cooling of an eutectoid carbon steel alloy. Indicate the microstructure for: A, B, C and D. On the rectangles next to the arrows indicate the quenching mode or the heat treatment associated to each. A: ___ B:____ C:______ D: _____

Solution

A- Full anneal (Coarse Pearlite)

B- Normalizing (Fine Pearlite)

C- Oil Quench (Martensite+Pearlite)

D- Water Quench (Martensite)