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The Equilibrium Diagram of the System Silver-Zinc

K. W. Andrews, H. E. Davies, W. Hume-Rothery and C. R. Oswin
Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences
Vol. 177, No. 969 (Jan. 10, 1941), pp. 149-167
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/97543
Page Count: 19
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The Equilibrium Diagram of the System Silver-Zinc
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Abstract

The equilibrium diagram of the system silver-zinc has been investigated by thermal, microscopic, and X-ray methods. This has enabled the following points to be established: (1) The depression of the freezing-point of silver by zinc is slightly greater than that produced by equal atomic percentages of indium. This does not confirm the hypothesis of whole-number liquidus factors previously suggested by Hume-Rothery, Mabbott and Channell-Evans (1934). (2) The solidus and liquidus curves for the β -phase do not coincide at 50 atomic% of zinc as was proposed by B. G. Petrenko (1929). The freezing range of the equiatomic alloy is approximately 31/2 ⚬ . (3) The determination of phase boundaries by X-ray methods with quenched filings is unreliable for this class of alloy, and its limitations are discussed.

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