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Corrosion steels St3 and 12Cr18Ni10Ti under elevated temperatures and heat-transfer. The comparative data of the temperature and heat-transfer influence on the steel`s St3 and 12Cr18Ni10Ti corrosive-electrochemical properties are given. It`s shown that the temperature increase is stimulating as the active alloy`s corrosion (St3), so the passive alloy`s (12Cr18Ni10Ti) corrosion, however in the last case the temperature effect is being higher because of heat depassivation of the steel. Heat-transfer from the solid phase to the liquid is doing the corrosion of the steel St3 faster, but increasing the stability of the steel 12Cr18Ni10Ti to the common and local corrosion.

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UDC

УДК 620.193.013

Pages

299-301

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