From the iron-carbon phase diagram, which of the following phases/phase combinations is present for

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From the iron-carbon phase diagram, which of the following phases/phase combinations is present for a steel composition of 0.7wt % C at 700°C

A.Pearlite + Cementite

B.α + Pearlite

C.α + Cementite

D.γ + Cementite

参考答案:

答案:α + Pearlite;α + Cementite