Conclusion
The life of alloy AK18 pistons, governed in particular by hardness, may be increased as a result of reducing the casting temperature, increasing the cooling rate after alloy solidification, correcting alloy composition within the grade limits, and using homogenizing before artificial aging.
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Literature cited
V. P. Shikolaev and S. A. Lushnikov, "Optimization of heat treatment technology for cast reinforced alloy AK18 pistons," Metal. Term. Obrab. Met., No. 3, 9–11 (1983).
Aluminum. Physical Metallurgy, Treatment and Use of Aluminum Alloys [in Russian], Metallurgiya, Moscow (1972).
G. B. Stroganov, V. A. Rotenberg, and G. B. Gershman, Aluminum Alloys with Silicon [in Russian], Metallurgiya, Moscow (1977).
Additional information
Kostroma Agricultural Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 28–30, June, 1987.
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Shikolaev, V.P. Heat treatment of cast alloy AK18 pistons. Met Sci Heat Treat 29, 435–438 (1987). https://doi.org/10.1007/BF00715881
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DOI: https://doi.org/10.1007/BF00715881