Consider a binary Fe-C alloy with 1.5 wt.% C. At 1600 C °

(a) The phase present is ___________________________. 

(b) The composition of this phase is ______ wt. % C.

At 1400 C °

(c) The phases present are: ______________________ (phase A) and ___________________ (phase B). 

(d) The composition of phase A is _________ wt. % C and the composition of phase B is _________ wt.% C.

At 1100 °C 

(e) The phase present is __________________________. 

(f) The composition of this phase is ______ wt. % C.

At 727.1 °C 

(g) The phases present are: ______________________ (phase C) and ____________________________ (phase D). 

(h) The composition of phase C is _____ wt. % C and the composition of phase D is ____ wt.% C. 

(i) The amount of phase C is ______ wt. %. 

(j) Draw and label the microstructure observed at this temperature.

At 726.95 °C 

(k) The phases present are: ______________________ (phase X) and _________________________ (phase Y). 

(l) The composition of phase X is _____ wt. % C and the composition of phase Y is ____ wt.% C. 

(m) The amount of phase X is ______ wt. %. 

(n) Draw and label the microstructure observed at t