Conclusions
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1.
In contrast to cast irons with 12–14% Cr, in cast irons with 29–30% Cr transformation by bainitic and martensitic mechanisms is prevalent.
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2.
With increasing content of carbon and manganese there is an increase in austenite stability in both the pearlitic and intermediate regions.
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3.
From hardenability diagrams plotted it is possible to select cast iron compositions providing maximum hardness in a given cross section, and consequently, high service properties, e.g., wear resistance.
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Literature cited
M. E. Garber, L. I. Levi, and E. V. Rozhkova, “Effect of structure on the wear resistance of white cast irons”, Metalloved. Term. Obrab. Met., No. 1, 48 (1968).
M. E. Garber, E. V. Rozhkova, and I. I. Tsypin, “Effect of carbon, chromium, silicon, and molybdenum on the hardenability and wear resistance of white cast irons”, Metalloved Term. Obrab. Met., 11 (1965).
E. V. Rozhkova, M. E. Garber, and I. I. Tsypin, “Effect of manganese on the transformation of austenite in white chromium cast irons”, Metalloved. Term. Obrab. Met., No. 1, 48 (1981).
Additional information
All-Union Scientific-Research Planning Institute of Coal Machine Building. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 29–32, April, 1983.
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Rozhkova, E.V., Mikhailovskaya, S.S. & Tsypin, I.I. Features of phase transformations in high-chromium cast irons. Met Sci Heat Treat 25, 277–281 (1983). https://doi.org/10.1007/BF00778321
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DOI: https://doi.org/10.1007/BF00778321