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THE PROBLEM OF MODIFYING AN ALUMINUM-SILICON EUTECTIC ALLOY OF SILUMINS. WAY OF SOLUTIONS

https://doi.org/10.21122/1683-6065-2018-2-12-15

Abstract

It is shown that modern industrial modifiers of silumin eutectic contribute to the saturation of the melt with hydrogen. Its micro bubbles block the branching of eutectic crystals and promote the formation of gas porosity in castings.

To improve the efficiency of the process of modifying the eutectic and reduce the gas porosity, a method of hereditary modification is proposed. A special technology has been developed to solve the problem of modification of silumin eutectic.

About the Authors

E. I. Marukovich,
Institute of Technology of Metals of National Academy of Sciences of Belarus
Belarus
Mogilev, 11, Bialynitskogo-Biruli str. 


V. Yu. Stetsenko
Institute of Technology of Metals of National Academy of Sciences of Belarus
Belarus
Mogilev, 11, Bialynitskogo-Biruli str. 


References

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2. Svojstva jelementov: spravochnik [Properties of elements: reference]. p. 1 / Pod redakciej G. V. Samsonova. Moscow, Metallurgija Publ., 1976.

3. Stroganov G. B., Rotenberg V. A., Gershman G. B. Splavy aljuminija s kremniem [Aluminum alloys with silicon]. Moscow, Metallurgija Publ., 1977.

4. Boom E. A. Priroda modificirovaniya splavov tipa silumin [The nature of modifying of alloys like silumin]. Moscow, Metallurgiya Publ., 1972.

5. Marukovich E. I., Stetsenko V. Yu. Modificirovanie splavov [Modifying of alloys]. Minsk, Belaruskaya navuka Publ., 2009.

6. Vahobov A. V., Ganiev I. N. Stroncij – jeffektivnyj modifikator siluminov [Strontium – the effective modifier of silumin]. Litejnoe proizvodstvo = Foundry production, 2000, no. 5, pp. 28–29.


Review

For citations:


Marukovich, E.I., Stetsenko V.Yu. THE PROBLEM OF MODIFYING AN ALUMINUM-SILICON EUTECTIC ALLOY OF SILUMINS. WAY OF SOLUTIONS. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2018;(2):12-15. (In Russ.) https://doi.org/10.21122/1683-6065-2018-2-12-15

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ISSN 1683-6065 (Print)
ISSN 2414-0406 (Online)