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Points from Foregoing Letters

Nature volume 140, page 550 (25 September 1937) | Download Citation

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Abstract

As an example of the ease with which equilibrium diagrams of alloys containing three elements can be obtained, by means of X-ray analysis, A. J. Bradley, H. J. Goldschmidt, H. Lipson and A. Taylor submit a diagram for the copper-nickel-aluminium system. It shows the phases present at different percentage composition, after a uniform heat treatment (slow cooling at 10 ° per hour ; equilibrium not necessarily established). The X-ray method gives at the same time the number, nature and relative amount of phases present and the lattice space of each phase.

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https://doi.org/10.1038/140550a0

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