Electron-microscopic examination of a splat-cooled silver-germanium alloy

Furrer, P. ; Warlimont, H. ; Anantharaman, T. R. (1972) Electron-microscopic examination of a splat-cooled silver-germanium alloy Proceedings of the Indian Academy of Sciences, Section A, 75 (3). pp. 103-107. ISSN 0370-0089

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Official URL: http://www.ias.ac.in/j_archive/proca/75/3/103-107/...

Related URL: http://dx.doi.org/10.1007/BF03049730


Extremely rapid solidification of a Ag-15 at.% Ge alloy results in the formation of a highly irregular structure. The individual grains consist of a lamellar mixture of close-packed structures with different stacking sequences (f.c.c. and h.c.p. phases as well as long-period stacking structures), superposed with a high density of randomly arranged stacking faults. It is concluded that the structure observed at room temperature may have formed by martensitic transformation of a metastable b.c.c. phase which is formed first upon solidification.

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