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From an iron-carbon phase diagram, plotted in terms of weight percent carbon: A) What is the composition...

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Mechanical Engineering

From an iron-carbon phase diagram, plotted in terms of weightpercent carbon:

A) What is the composition in weight percent of the iron-carbonalloy that has the lowest melting temperature? What is this meltingtemperature?

B) What is the composition in weight percent of the iron-carbonalloy that has the eutectoid composition? What is the eutectoidtemperature?

C) What is the lowest temperature and weight percent carbon atwhich any iron-carbon alloy shows any amount of delta phase?

D) A particular iron-carbon alloy shows a final microstructureafter slow cooling that consists of 80% proeutectoid ferrite and20% pearlist. What is the carbon composition of this alloy, inweight percent?

E) At what temperature would the alloy from part d become allsingle-phase austentite on heating?

F) At what temperature would the alloy from part d become allliquid on heating?

Answer & Explanation Solved by verified expert
4.5 Ratings (761 Votes)
Part A the lowest melting temperature is where there is a Maximum solubility possible is 723oc and its corresponding carbon is 0025    See Answer
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