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Evidence for a Ternary Phase in the Aluminium–Magnesium–Silver System

Naturevolume 207pages746747 (1965) | Download Citation



Polmear and Sargant1 and Polmear2 have recently reported that small silver additions will influence the age-hardening characteristics of aluminium–magnesium alloys. They show, for example1, that the precipitate in a wrought Al-7 wt. per cent Mg alloy is finer and more uniformly dispersed with resultant increase in hardening, on the addition of 0.5 wt. per cent silver, and they suggest that there may be an interaction between the magnesium and silver atoms.

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  1. 1

    Polmear, I. J., and Sargant, K. R., Nature, 200, 669 (1963).

  2. 2

    Polmear, I. J., Trans. Amer. Inst. Mech. Eng., 230, 1331 (1964).

  3. 3

    Pearson, W. B., Handbook of Lattice Spacings and Structure of Metals and Alloys, 337, 372 (Pergamon Press, 1958).

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    • R. W. STADDON

    Present address: English Electric Research Laboratories, Whetstone, Leicestershire


  1. Aluminium Laboratories, Ltd., Banbury, Oxfordshire

    • M. J. WHEELER
    •  & R. W. STADDON


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