Conclusions
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1.
The crystallization of Al−Si alloys quenched from the liquid state is accompanied by the formation and subsequent spontaneous decomposition of the metastable intermediate phases at 273–293°K.
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2.
The morphology of the structural components of rapidly quenched silumins is genetically connected with the habit of the corresponding intermediate phases, which are the leading ones in the process of growth of the eutectic colony, and with the nature of the solid-phase transformations during their decomposition.
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Literature cited
A. K. Kushnerova and I. V. Salli, “Formation of supersaturated solid solutions in systems Al−Ge and Al−Si,” Izv. Akad. Nauk SSSR, Neorg. Mater.,6, No. 10, 1867–1868 (1970).
V. I. Mazur, V. Z. Kutsova, and K. I. Uzlov, “Structure formation in silumins during rapid crystallization,” Metalloved. Term. Obrab. Met., No. 3, 50–56 (1985).
Additional information
Dnepropetrovsk Metallurgical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 5–7, November, 1986.
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Uzlov, K.I., Mazur, V.I. & Kutsova, V.Z. Phase composition and phase transformation in Al-Si alloys hardened from the liquid state. Met Sci Heat Treat 28, 785–788 (1986). https://doi.org/10.1007/BF00707088
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DOI: https://doi.org/10.1007/BF00707088