Conclusions
Accelerating the solidification of high-sulfur cast iron poured in chill molds favors refining of the primary (cast) structure after graphitizing annealing, making it possible to increase the silicon content to 2.4%, thus improving the annealability of the alloys (both in graphitizing annealing and in self-annealing), and increasing the ductility.
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Literature Cited
A. A. Zhukov et al., “High-dispersity cast iron with high strength,” Metalloved. Term. Obrab. Met., No. 5, 39 (1975).
A. A. Zhukov and G. P. Yaremenko, “Effect of elements from groups V and VI on the activity of carbon during the ledeburitic transformation,” Izv. Vyssh. Uchebn. Zaved., Chem. Metal., No. 5, 145 (1973).
V. A. Karaseva et al., “Effect of sulfur on some casting properties of cast iron,” Liteinoe Proizvod., No. 11, 6 (1976).
A. A. Zhukov and G. P. Yaremenko, “Effect of sulfur on the temperature of the eutectic transformation in the Fe−C−S system,” Zh. Fiz. Khim.,48, No. 9, 2350 (1974).
Additional information
Higher Technical School, Moscow Autombile Factory. All-Union Scientific-Research Institute of Light and Textile Machine Construction. Bryansk Institute of Transportation Machine Construction. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 56–59, September, 1979.
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Zhukov, A.A., Karaseva, V.A., Ivanov, V.I. et al. Improving the annealability of high-strength cast iron by alloying with sulfur. Met Sci Heat Treat 21, 727–731 (1979). https://doi.org/10.1007/BF00708644
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DOI: https://doi.org/10.1007/BF00708644