Kirchner, H. O. K. ; Ramachandrarao, P. ; Chadwick, G. A. (1972) Decomposition of the metastable phase in the silver-germanium system Philosophical Magazine, 25 (5). pp. 1151-1160. ISSN 1478-6435
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Related URL: http://dx.doi.org/10.1080/14786437208226858
Abstract
The decomposition behaviour of the metastable h.c.p. phase in a splatcooled silver-23 at. % germanium alloy was studied by differential thermal analysis, X-ray and electron metallographic techniques. A two-stage decomposition process was observed. The activation energies for the two stages were found to be 0·91±0·09 eV/atom and 1·95±0·19 eV/atom, respectively. The first stage is associated with the transformation from h.c.p. to metastable f.c.c. solid solution, the second stage represents the precipitation of germanium from this solid solution. The total enthalpy of transformation was found to be 2·21±0·22 meV/atom.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Taylor and Francis Group. |
| ID Code: | 34875 |
| Deposited On: | 12 Apr 2011 12:43 |
| Last Modified: | 12 Apr 2011 12:43 |
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