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http://hdl.handle.net/11375/17477| Title: | Interface Stability During Isothermal Ternary Phase Transformations |
| Authors: | Coates, Denton |
| Advisor: | Kirkaldy, J. S. |
| Department: | Metallurgy and Materials Science |
| Keywords: | planar phase interfaces, morphologically unstable, phase transformations, isothermal ternary systems, precipitatematrix interface stability, dilute ternary systems, two-phase, diffusion couple, perturbation theory, alpha, beta |
| Publication Date: | Oct-1970 |
| Abstract: | <p> This dissertation is concerned with establishing the conditions under which planar phase interfaces are morphologically unstable during phase transformations in isothermal ternary systems. First, linear perturbation methods are employed in a detailed treatment of precipitatematrix interface stability for dilute ternary systems. Following this, the stability of the planar interface in a two-phase ternary diffusion couple is examined with the aid of perturbation theory. An experimental investigation into the stability of <alpha>-<beta> phase interfaces in the Cu-Zn-Ni system at 775°C is described. The results of this experimental study are shown to be in good agreement with the earlier theoretical predictions. </p> |
| URI: | http://hdl.handle.net/11375/17477 |
| Appears in Collections: | Open Access Dissertations and Theses |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Coates_Denton_E_1970Oct_PhD.pdf | 14.36 MB | Adobe PDF | View/Open |
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