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Q2. (9 p.) Using the Fe-C phase diagram, answer the following questions: (a) (5p.) For a 0,76%C steel, what is the amount of total

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Q2. (9 p.) Using the Fe-C phase diagram, answer the following questions: (a) (5p.) For a 0,76%C steel, what is the amount of total ferrite at 400C? ANSWER: (b) (5p.) The weight percentages of proeutectoid ferrite and pearlite are 20% and 80%, respectively. What is the carbon % of this plain carbon steel. ANSWER: (c) (5p.) Is it possible to have an iron-carbon alloy for which the weight percentages of total cementite and pearlite are 0.9% and 41.7% respectively? ANSWER:

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