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Crystal Structure of the Intermetallic Compound Mg32(AI,Zn)49 and Related Phases

Naturevolume 169pages10571058 (1952) | Download Citation



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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  1. 1

    Laves, F., Löhberg, K., and Witte, H., Metallwirtschaft, 14, 793 (1935).

  2. 2

    International Tables for the Determination of Crystal Structures” (Gebrüder Borntraeger, Berlin, 1935).

  3. 3

    Phragmén, G., J. Inst. Met., 77, 489 (1950).

  4. 4

    Pratt, J. N., and Raynor, G. V., Proc. Roy. Soc., A, 205, 103 (1951).

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  1. Gates and Crellin Laboratories of Chemistry, California Institute of Technology, Pasadena, 4, California

    • , JOHN L. T. WAUGH


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