Activities in carbon-saturated Fe-Al alloys and the stability of Al4C3 at 1873 K |
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| Authors: | U. V. Choudary G. R. Belton |
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| Affiliation: | (1) Department of Materials, University of Wisconsin-Milwaukee, 53201 Milwaukee, WI;(2) Department of Metallurgy and Materials Science Kl, University of Pennsylvania, 19104 Philadelphia, PA |
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| Abstract: | The Knudsen cell-mass spectrometer combination has been used to study carbon-saturated Fe-Al alloys at 1873 K. Activities are derived and presented for both metallic components as a function of the composition variableN Al/(N Al + N Fe ).From the composition for the separation of the carbide, the standard Gibbs Energy of formation of Al4C3 is determined to be -88.8 ± 11.2 kJ mole-1 at 1873 K. Formerly a Graduate Student. |
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