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Comparative Analysis of Corrosion Behaviour of Stainless Steel Grades 304 and 316L for Different Applications

Gourav Choudhary*, Gurpreet Singh**

*-** Department of Mechanical Engineering, Punjabi University, Patiala, Punjab, India.

Periodicity:January - March'2020
DOI : https://doi.org/10.26634/jms.7.4.16094

Abstract

The present work investigates the corrosion behaviour of SS 304 and SS 316L used for beverage containers, boat propellers, and bio-implants. Electrochemical Impedance Spectroscopy and Potentiodynamic Polarization Measurement test were performed to determine the corrosion behaviour of substrates at room temperature. X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) analysis were used to investigate the characterization and morphology of the substrates. The electrochemical study showed that the order of corrosion resistance of 304 SS and 316L in different electrolytes was Ringer solution > Wine > Beer > 3.5% NaCl solution and Ringer solution > Beer > Wine > 3.5% NaCl, respectively. After electrochemical corrosion testing, substrates were examined by XRD and SEM to reveal their crystallite size and pits quantity.

Keywords

Stainless Steel, Corrosion, Electrochemical Impedance Spectroscopy, Potentiodynamic Polarization.

How to Cite this Article?

Choudhary, G., & Singh, G. (2020). Comparative Analysis of Corrosion Behaviour of Stainless Steel Grades 304 and 316L for Different Applications, i-manager's Journal on Material Science, 7(4), 8-22. https://doi.org/10.26634/jms.7.4.16094

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