Abstract
The lithium-rich hypoeutectic liquidi and eutectic horizontals of the Li-Ca, Li-Sr, and Li-Ba systems were redetermined by both thermal analytical and resistance-temperature methods. To ensure minimal nonmetal inventories, specimens were gettered using yttrium sponge. The eutectics lie at 142 °C (415 K), 8.0 at.% Ca; 134 °C (407 K), 10.1 at.% Sr; and 141 °C (414 K), 9.9 at.% Ba. All three systems exhibit small positive deviations from ideality with γΛι increasing to 1.011, 1.016, and 1.029 for the LiCa, Li-Sr, and Li-Ba systems at the respective eutectic points.
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Hubberstey, P., Roberts, P.G. Phase relationships in lithium-alkaline barth metal systems. JPE 15, 473–478 (1994). https://doi.org/10.1007/BF02649397
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DOI: https://doi.org/10.1007/BF02649397