2000E2S

2000E2S - curves for the system, with and without the...

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Problem 4: The compound is drawn as a line compound for simplicity, though a compound with off-stoichiometry can also be drawn. Some particular features to look for: lines a, a’, b, b’: These represent the two-phase equilibria between the liquid and either the Cd or Zn phase. Nothing is changed to these equilibria as one introduces the compound. This can be easily seen by drawing the free energy
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Unformatted text preview: curves for the system, with and without the compound. G X Zn Cd Zn L Compound L+Zn Cd+L L L a a' b b' c d e f lines e and f: When a new stable appears the solubility limits in the adjoining phases decrease. Again, draw free energy curves to see this. points c and d: The eutectics are formed when the Cd+L (or Zn+L) two-phase region meets the Li+compound two-phase region....
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This note was uploaded on 12/04/2010 for the course MSE 3.20 taught by Professor Ceder during the Fall '10 term at MIT.

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2000E2S - curves for the system, with and without the...

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