Evaluation of self-interaction parameters from binary phase diagrams

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The feasibility of calculating Wagner self-interaction parameters from binary phase diagrams was examined. The self-interaction parameters of 22 non-ferrous liquid solutions were calculated utilizing an equation based on the equality of the chemical potentials of a component in two equilibrium phases. Utilization of the equation requires the evaluation of the first and second derivatives of various liquidus and solidus data at infinite dilution of the solute component. Several numerical methods for evaluating the derivatives of tabular data were examined. A method involving power series curve fitting and subsequent differentiation of the power series was found to be the most suitable ... continued below

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Pages: 91

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Ellison, T. L. October 1, 1977.

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The feasibility of calculating Wagner self-interaction parameters from binary phase diagrams was examined. The self-interaction parameters of 22 non-ferrous liquid solutions were calculated utilizing an equation based on the equality of the chemical potentials of a component in two equilibrium phases. Utilization of the equation requires the evaluation of the first and second derivatives of various liquidus and solidus data at infinite dilution of the solute component. Several numerical methods for evaluating the derivatives of tabular data were examined. A method involving power series curve fitting and subsequent differentiation of the power series was found to be the most suitable for the interaction parameter calculations. Comparison of the calculated self-interaction parameters with values obtained from thermodynamic measurements indicates that the Wagner self-interaction parameter can be successfully calculated from binary phase diagrams.

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Pages: 91

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Dep. NTIS, PC A05/MF A01.

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  • Other Information: Thesis

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  • Report No.: IS-T-772
  • Grant Number: W-7405-ENG-82
  • DOI: 10.2172/5280063 | External Link
  • Office of Scientific & Technical Information Report Number: 5280063
  • Archival Resource Key: ark:/67531/metadc1074002

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Office of Scientific & Technical Information Technical Reports

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  • October 1, 1977

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  • Feb. 4, 2018, 10:51 a.m.

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  • March 23, 2018, 2:16 p.m.

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Ellison, T. L. Evaluation of self-interaction parameters from binary phase diagrams, thesis or dissertation, October 1, 1977; United States. (digital.library.unt.edu/ark:/67531/metadc1074002/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.