Relation between the structure and the pitting corrosion resistance of hypereutectoid U10 steel

Autor:	R. A. Savrai, V. M. Schastlivtsev, A. V. Makarov, T. I. Tabatchikova, V. V. Berezovskaya, E. A. Merkushkin, L. Yu. Egorova
Rok vydání:	2014
Předmět:	Materials science Annealing (metallurgy) Metallurgy Metallic materials Metals and Alloys Pitting corrosion Steel structures Pearlite Polarization (electrochemistry) Isothermal process Corrosion
Zdroj:	Russian Metallurgy (Metally). 2014:49-54
ISSN:	1555-6255 0036-0295
DOI:	10.1134/s0036029514010066
Popis:	Polarization pitting corrosion tests are used to investigate the effect of a structure on the corrosion resistance of hypereutectoid U10 steel. In the steel structure, coarse-lamellar and fine-lamellar pearlite forms as a result of isothermal decomposition at temperatures of 500 and 650°C and fine-lamellar pearlite forms during additional annealing at 650°C for 10 or 300 min. The nonequilibrium structure of fine-lamellar pearlite obtained in the process of isothermal decomposition at a temperature of 500°C is found to have the maximum pitting corrosion resistance among the structural states under study.
Databáze:	OpenAIRE
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