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The phase diagram for magnesium-copper at constant pressure shows that two compounds are formed: MgCu2, which melts at 800°C, and Mg2Cu, which melts at 580°C. Copper melts at 1085°C, and magnesium at 648°C. The three eutectics are 9.4% by weight Mg (680°C), 33.4% by weight Mg (580°C) and 65% by weight Mg (380°C). Construct the phase diagram. State the variance for each area and eutectic points.

The phase diagram for magnesium-copper at constant pressure shows that two compounds are formed: MgCu2, which melts at 800°C, and Mg2Cu, which melts at 580°C. Copper melts at 1085°C, and magnesium at 648°C. The three eutectics are 9.4% by weight Mg (680°C), 33.4% by weight Mg (580°C) and 65% by weight Mg (380°C). Construct the phase diagram. State the variance for each area and eutectic points.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Section: Chapter Questions
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6. The phase diagram for magnesium-copper at constant pressure shows that two compounds are formed: MgCu, which melts at 800°C, and Mg)Cu, which melts at 580°C. Copper melts at 1085°C, and magnesium at 648°C. The three eutectics are 9.4% by weight Mg (680°C), 33.4% by weight Mg (580°C) and 65% by weight Mg (380°C). Construct the phase diagram. State the variance for each area and eutectic points.
Transcribed Image Text:6. The phase diagram for magnesium-copper at constant pressure shows that two compounds are formed: MgCu, which melts at 800°C, and Mg)Cu, which melts at 580°C. Copper melts at 1085°C, and magnesium at 648°C. The three eutectics are 9.4% by weight Mg (680°C), 33.4% by weight Mg (580°C) and 65% by weight Mg (380°C). Construct the phase diagram. State the variance for each area and eutectic points.
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