Conclusions
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1.
Alloying of manganese cast iron with tungsten (up to 0.56%) reduces the amount of austenite and graphite and increases the amount of martensite and carbides, and substantially increases the microhardness of austenite and carbides.
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2.
Tungsten increases the abrasive wear resistance of manganese cast iron. We recommend the additon of 0.4–0.6% W.
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Literature cited
E. Pivovarskii, High-Quality Cast Iron [in Russian], Vol. 2, Metallurgiya, Moscow (1965), pp. 910–912.
A. N. Volkov, V. B. Lyadskii, and S. T. Teshaev, Austenite manganese cast iron, "Lit. Proiz", No. 1, 8–9 (1966).
A. N. Volkov and V. B. Lyadskii, "Wear resistance of manganese cast iron", No. 2, 35–36 (1972).
I. P. Zemlyakov, Capron—a Material for Machine Parts [in Russian], Mashgiz, Moscow (1961).
Additional information
Kostroma Karavaevo Agricultural Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 45–47, May, 1975.