Abstract
PHASE-DIAGRAM studies of the magnesium–aluminium–zinc system have established the existence of a compound with approximate composition Mg3Al2Zn3. Laves, Löhberg and Witte1 reported this compound to have a body-centred cubic structure with a0 = 14.16 A., and with the calculated number of atoms per unit cube equal to 161. They reported also that the phase in the magnesium–aluminium–copper system with approximate composition Mg4Al6Cu gives a closely similar X-ray diagram. They were not able to determine the structure.
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References
Laves, F., Löhberg, K., and Witte, H., Metallwirtschaft, 14, 793 (1935).
“International Tables for the Determination of Crystal Structures” (Gebrüder Borntraeger, Berlin, 1935).
Phragmén, G., J. Inst. Met., 77, 489 (1950).
Pratt, J. N., and Raynor, G. V., Proc. Roy. Soc., A, 205, 103 (1951).
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BERGMAN, G., WAUGH, J. & PAULING, L. Crystal Structure of the Intermetallic Compound Mg32(AI,Zn)49 and Related Phases. Nature 169, 1057–1058 (1952). https://doi.org/10.1038/1691057a0
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DOI: https://doi.org/10.1038/1691057a0
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