The samarium-magnesium system has been investigated by means of differential thermal analysis, X-ray diffraction, metallography and microprobe analysis. Five intermetallic compounds have been found to exist: SmMg (m.p. 800°C), SmMg2 (m.p. 750°C), SmMg3 (decomposes at 700°C), SmMg5 (decomposes at 565 °C) and Sm5Mg41 (peritectic decomposition). Eutectic points occur at 45.0 at.% Mg (785°C), 64.5 at.% Mg (735°C) and 92.0 at.% Mg (530°C). A eutectoidal reaction is observed at 580 °C and 20.0 at.% Mg. The crystal structures of the intermediate phases have been confirmed or determined and the lattice parameters measured. © 1989.
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Titolo: | The samarium-magnesium system: A phase diagram |
Autori: | |
Data di pubblicazione: | 1989 |
Rivista: | |
Handle: | http://hdl.handle.net/11567/843333 |
Appare nelle tipologie: | 01.01 - Articolo su rivista |