Conclusions
Length changes of Mg-cast iron depend on the initial condition of the iron and the subsequent heat treatment. The largest linear expansion is caused by graphitization of eutectic cementite and of cementite present in ledeburite; the least, by graphitization of eutectoid cementite.
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References
P. V. Avrinskii, High Strength Cast Irons. Collection of Papers (Vysokoprochnye Chuguny) Mashgiz Press, 1954.
N. I. Klochnev, High Strength Cast Irons. Collection of Papers (Vysokoprochnye Chuguny) Mashgiz Press, 1954.
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Frolov, D.S. Length changes of magnesium-inoculated cast iron during annealing and normalizing. Met Sci Heat Treat 2, 291–292 (1960). https://doi.org/10.1007/BF00649672
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DOI: https://doi.org/10.1007/BF00649672