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γ Figure 6 shows the eutectoid portion of Fe-Fe3C phase diagram. In particular for Fe-0.35% C alloy, determine (i) the temperature at which austenite first begins to transform on cooling. (ii) the primary microconstituent that form. (iii) the composition and amount of each phase present at 728 °C. (iv) the composition and amount of each phase present at 726°C. (v) the composition and amount of each microconstituent present at 726°C. γ 1000 γ Temperature ( γ γ 800 α+Y Y+ απ 7+ FeC 727°C Fe3C 0.0218 0.77 600 Fe3C γ α + Fe3C 400 Fe3C Нуро Hyper 200 Fe 0.4 0.8 1.2 6.67 Pearlite Weight percent carbon Figure 6: The eutectoid portion of the Fe-Fe3C phase diagram. A steel contains 18% cementite and 82% ferrite at room temperature. Evaluate the carbon content of the steel. Is the steel hypoeutectoid or hypereutectoid? Pearlite

γ Figure 6 shows the eutectoid portion of Fe-Fe3C phase diagram. In particular for Fe-0.35% C alloy, determine (i) the temperature at which austenite first begins to transform on cooling. (ii) the primary microconstituent that form. (iii) the composition and amount of each phase present at 728 °C. (iv) the composition and amount of each phase present at 726°C. (v) the composition and amount of each microconstituent present at 726°C. γ 1000 γ Temperature ( γ γ 800 α+Y Y+ απ 7+ FeC 727°C Fe3C 0.0218 0.77 600 Fe3C γ α + Fe3C 400 Fe3C Нуро Hyper 200 Fe 0.4 0.8 1.2 6.67 Pearlite Weight percent carbon Figure 6: The eutectoid portion of the Fe-Fe3C phase diagram. A steel contains 18% cementite and 82% ferrite at room temperature. Evaluate the carbon content of the steel. Is the steel hypoeutectoid or hypereutectoid? Pearlite

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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γ Figure 6 shows the eutectoid portion of Fe-Fe3C phase diagram. In particular for Fe-0.35% C alloy, determine (i) the temperature at which austenite first begins to transform on cooling. (ii) the primary microconstituent that form. (iii) the composition and amount of each phase present at 728 °C. (iv) the composition and amount of each phase present at 726°C. (v) the composition and amount of each microconstituent present at 726°C. γ 1000 γ Temperature ( γ γ 800 α+Y Y+ απ 7+ FeC 727°C Fe3C 0.0218 0.77 600 Fe3C γ α + Fe3C 400 Fe3C Нуро Hyper 200 Fe 0.4 0.8 1.2 6.67 Pearlite Weight percent carbon Figure 6: The eutectoid portion of the Fe-Fe3C phase diagram. A steel contains 18% cementite and 82% ferrite at room temperature. Evaluate the carbon content of the steel. Is the steel hypoeutectoid or hypereutectoid? Pearlite
Transcribed Image Text:γ Figure 6 shows the eutectoid portion of Fe-Fe3C phase diagram. In particular for Fe-0.35% C alloy, determine (i) the temperature at which austenite first begins to transform on cooling. (ii) the primary microconstituent that form. (iii) the composition and amount of each phase present at 728 °C. (iv) the composition and amount of each phase present at 726°C. (v) the composition and amount of each microconstituent present at 726°C. γ 1000 γ Temperature ( γ γ 800 α+Y Y+ απ 7+ FeC 727°C Fe3C 0.0218 0.77 600 Fe3C γ α + Fe3C 400 Fe3C Нуро Hyper 200 Fe 0.4 0.8 1.2 6.67 Pearlite Weight percent carbon Figure 6: The eutectoid portion of the Fe-Fe3C phase diagram. A steel contains 18% cementite and 82% ferrite at room temperature. Evaluate the carbon content of the steel. Is the steel hypoeutectoid or hypereutectoid? Pearlite
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