<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The influence of deformation on electrochemical properties of Q235 steel is studied. The uni-axial tension of the steel is conducted on universal testing machine to get a series of strain, 0.07%, 6%, 11% and 24%, respectively. The deformation process for strain of 0.07% is controlled by load, and the others are controlled by displacement correspondingly. Afterward, the tests of potentiodynamic polarization and electrochemical impedance spectroscopy are conducted for the deformed steel in 0.01 mol.dm<sup>−3</sup> NaCl solution. The results showed that plastic deformation leads to crystalline grains refine and elongate, and crystalline boundary increases, it induces more corrosive possibility and lower corrosive resistance; the corrosion potential of Q235 steel becomes more negative with the increase of deformation amount, and the corrosion current density increases with the amount of deformation; the corrosion resistance decrease with the increase of deformation seriously.</p></abstract>

The influence of deformation on electrochemical properties of Q235 steel is studied. The uni-axial tension of the steel is conducted on universal testing machine to get a series of strain, 0.07%, 6%, 11% and 24%, respectively. The deformation process for strain of 0.07% is controlled by load, and the others are controlled by displacement correspondingly. Afterward, the tests of potentiodynamic polarization and electrochemical impedance spectroscopy are conducted for the deformed steel in 0.01 mol.dm−3 NaCl solution. The results showed that plastic deformation leads to crystalline grains refine and elongate, and crystalline boundary increases, it induces more corrosive possibility and lower corrosive resistance; the corrosion potential of Q235 steel becomes more negative with the increase of deformation amount, and the corrosion current density increases with the amount of deformation; the corrosion resistance decrease with the increase of deformation seriously.

Influence of deformation on electrochemical properties of Q235 steel

Koroze a ochrana materiálu

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{"article-title":"Influence of deformation on electrochemical properties of Q235 steel"}

The influence of deformation on electrochemical properties of Q235 steel is studied. The uni-axial tension of the steel is conducted on universal testing...

Influence of deformation on electrochemical properties of Q235 steel

Publicado en línea: 06 ago 2018

Páginas: 108 - 114

DOI: https://doi.org/10.1515/kom-2018-0015

© 2018 Zheng M. et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.