Magnesium-rich Mg-Al2Ca alloys |
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| Authors: | L L Rokhlin N I Nikitina V A Volchenkova |
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| Affiliation: | (1) Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr. 49, Moscow, 119991, Russia |
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| Abstract: | The magnesium solid solution in the Mg-Al-Ca system is confirmed to be in equilibrium with the Al2Ca phase of the Al-Ca system. The solubility of Al2Ca in solid magnesium is determined, and its decrease with decreasing temperature suggests the decomposition of a supersaturated solid solution in Mg-Al2Ca alloys. The decomposition kinetics of the supersaturated solid solution and the accompanying strengthening effect in the alloys at aging temperatures of 175 and 200°C are established. |
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