The process of solid-phase carburizing of steel with the use of carbonates of different origin including chemical reagents, limestone and oyster shells is studied. The highest microhardness is obtained in the case of SrCO3, wheres Na2CO3 is shown to be the cheapest and most economically expedient carbonate. A good carburized layer can be obtained using a mixture of limestone and oyster shells.
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The authors are sincerely grateful to the CONACyTMexico Company for support of the present work.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 7, pp. 12 – 15, July, 2013.
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González-Angeles, A., López-Cuevas, J. & Pitalúa-Díaz, N. Comparison of CaCO3 from Natural Sources and Artificial Carbonates as Activators of Solid-Phase Carburizing of Low-Carbon Steel. Met Sci Heat Treat 55, 355–357 (2013). https://doi.org/10.1007/s11041-013-9634-4
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DOI: https://doi.org/10.1007/s11041-013-9634-4