Conclusions
Low-carbon steels with a high manganese content (3–5%) are highly susceptible to strain aging, which is accompanied by hardening due to precipitation of finely dispersed cementite particles. The increase of the manganese content, due to the displacement character of the transformation of austenite, increase the amount of carbon in solution and leads to precipitation hardening similar to the intermediate transformation activated by cold plasmic deformation. The dispersed structure formed in this case ensures high strength and ductility of the material.
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Literature cited
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Additional information
Moscow Automobile Factory. Moscow Evening Metallurgical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 47–51, September, 1980.
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Kal'ner, V.D., Beilin, B.I., Shevyakova, L.G. et al. Strain hardening of low-carbon manganese steels. Met Sci Heat Treat 22, 683–688 (1980). https://doi.org/10.1007/BF00700699
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DOI: https://doi.org/10.1007/BF00700699