A steel alloy contains 95.7 wt% Fe, 4.0 wt% W, and 0.3 wt% C.
(a) What is the eutectoid temperature of this alloy?
(b) What is the eutectoid composition?
(c) What is the proeutectoid phase?
Assume that there are no changes in the positions of other phase boundaries with the addition of W.