ISSN 2305-6894

Investigation of corrosion pattern of AISI 316 and AISI 304 stainless steels in Na2B4O7·5H2O solution

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1 Department of Materials and Metallurgical Engineering, Seydişehir A. Cengiz Faculty of Engineering, Necmettin Erbakan University, 42370 Konya, Turkey
2 Corrosion Research Laboratory, Department of Mechanical Engineering, Faculty of Engineering, Duzce University, 81620 Duzce, Turkey
3 Department of Materials and Materials Processing Technology, Kırıkkale University, Kırıkkale Vocational School, 71450 Kırıkkale, Turkey
4 Department of Energy System Engineering, Faculty of Engineering and Natural Sciences, Yıldırım Beyazıt University, 06010 Ankara, Turkey

Abstract: The corrosion behaviour of AISI 316 and AISI 304 stainless steels in Na2B4O7·5H2O solutions with various concentrations (3%, 6% and 9% w/w) commonly used in wood industry was investigated by using electrochemical impedance spectroscopy and polarisation techniques. The results reveal that the dissolution pattern of the studied steel samples is in the order 3% > 6% > 9%. The AISI 316 stainless steel is found to exhibit better corrosion resistance than the 304-type stainless steel alloy.

Keywords: AISI 316; AISI 304; corrosion; Na2B4O7.5H2O

Int. J. Corros. Scale Inhib., , 6, no. 1, 70–81 PDF (1 074 K)
doi: 10.17675/2305-6894-2017-6-1-6

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