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Distribution of alloying elements between phase components in cast two-component aluminum alloys

  • Theory
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The content of alloying element in α-solid solution based on aluminum with increasing melt cooling rate during crystallization changes by a curve with a minimum, but the amount of intermetallic phases changes by a curve with a maximum.

  2. 2.

    The cooling rate with which the minimum concentration of alloying elements in solid solution is obtained, its equilibrium concentration, and also complete solubility, depend on the nature of alloying element and its concentration in the alloy.

  3. 3.

    The dependence of alloying element concentration in α-solid solution on its content in the alloy in the case of actual crystallization differs from this dependence obtained from the phase diagram by the fact that alloying element concentration in nonequilibrium alloys with which the maximum concentration Cα is obtained exceeds the limit of total solubility.

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Literature cited

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Authors
  1. V. G. Badaev
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 10, pp. 8–11, October, 1983.

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Badaev, V.G. Distribution of alloying elements between phase components in cast two-component aluminum alloys. Met Sci Heat Treat 25, 720–725 (1983). https://doi.org/10.1007/BF00712245

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  • DOI: https://doi.org/10.1007/BF00712245

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