Conclusions
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1.
Adding vanadium and titanium to Fe−C−Mn−Cr-alloy leads to the formation of special cubic carbides and redistribution of chromium between the phase components: its content in the metal base increases. The distribution coefficient for chromium between special carbides and austenite decreases from 4.2–4.8 to 2.9–3.7.
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2.
Addition of vanadium and titanium promotes an increase in the electrode potential for alloy 300Kh27G11 from (−0.3) to (−0.2) V and a reduction in the corrosion rate in sea water from 0.052 to 0.040 and 0.032 mm/year respectively.
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3.
Alloys based on the system Fe−C−Mn−Cr containing vanadium and titanium are promising materials for preparing cast articles which exhibit high corrosion resistance in sea water.
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Literature cited
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Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 32–33, January, 1991.
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Grishin, A.M., Romatovskii, Y.I. & Sedov, G.K. Effect of vanadium and titanium on the phase composition and corrosion resistance of a high-carbon alloy of the system Fe-C-Mn-Cr. Met Sci Heat Treat 33, 53–55 (1991). https://doi.org/10.1007/BF00775037
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DOI: https://doi.org/10.1007/BF00775037