Corrosion Behavior of TWIP Steels in 3.5% NaCl Solution

Gholam Reza Razavi; Hossein Monajati

doi:10.4028/www.scientific.net/AMR.457-458.334

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 457-458Corrosion Behavior of TWIP Steels in 3.5% NaCl...

Corrosion Behavior of TWIP Steels in 3.5% NaCl Solution

Abstract:

TWIP steels are high Mn (17-35%) austenitic steels having strength and ductility concurrently. This makes them suitable for applications that need high strength and ductility like gas tanks and oil platforms. To these applications corrosion resistance of these steel is also of paramount importance and needs to be noticed. This was achieved by two usual methods of weight loss and potentiodynamic polarization of the samples, after that they casted and hot rolled in experimental scale. The observed corrosion pits are related to the chemical composition. It is connected with the high dissolution rate of Mn and Fe atoms in NaCl solution. Fractographic analyses of samples revealed corrosion products on their surface in a form of pits with diversified size.

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Periodical:

Advanced Materials Research (Volumes 457-458)

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334-337

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.457-458.334

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Online since:

January 2012

Authors:

Gholam Reza Razavi, Hossein Monajati

Keywords:

3.5% Nacl Solution, Pitting Corrosion, TWIP Steel

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