Conclusions
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1.
An optimum combination of strength and plasticity properties of austenitic cast iron is achieved after normalization at 1050°C followed by holding at this temperature for 4 h.
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2.
The strength properties of austenitic iron which has passed the preceding normalization and aging can be considerably improved by cyclic heat treatment which includes treatment by cold and subsequent aging.
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Literature cited
L. M. Utevskii, Tempering Brittleness of Steel [in Russian], Metallurgizdat, Moscow (1961).
I. N. Bogachev and V. G. Permyakov, Tempering of Hardened Steel [in Russian], Metallurgizdat, Moscow (1950).
G. Kraus and M. Cahen, Trans. AIME,224, 212 (1962).
Additional information
VNIIPTkhimnefteapparatura (All-Union Scientific-Research and Design-Technological Institute of Equipment for Chemical and Petroleum Industries). Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 55–58, January, 1981.
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Chentsov, Y.N. Effect of heat treatment on structure and properties of austenitic iron. Met Sci Heat Treat 23, 69–72 (1981). https://doi.org/10.1007/BF00700310
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DOI: https://doi.org/10.1007/BF00700310