Abstract
THE nickel–gallium system has been investigated by Hellner1, who stated that the nickel solid solution extended to 28 atomic per cent gallium, while the lattice parameter increased to 3.591 A. at the solubility limit. However, in the course of a systematic investigation of nickel alloy lattice parameters, which will be published in due course elsewhere, we have found a Ni3Ga phase with the Cu3Au super-lattice structure. The nickel–gallium system is similar to the nickel–aluminium system2 in that the ordered phase has a relatively small homogeneous range, while on the nickel-rich side a wide heterogeneous range is found at low temperatures, producing a considerable difference of lattice parameter of the two co-existing cubic phases.
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References
Hellner, E., Z. Metallkunde, 41, 480 (1950).
Bradley, A. J., and Taylor, A., Proc. Roy. Soc., A, 159, 56 (1937). Schramm, J., Z. Metallkunde, 33, 347 (1941). Taylor, A., and Floyd, R. W., J. Inst. Met, 81, 451 (1952–53).
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PEARSON, W. A Nickel-Gallium Superlattice (Ni3Ga). Nature 173, 364 (1954). https://doi.org/10.1038/173364a0
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DOI: https://doi.org/10.1038/173364a0
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