Erosion corrosion control of 6061 aluminum alloy in multi-phase jet impingement conditions with eco-friendly green inhibitor

Lavanya, M and Murthy, Ramachnadra V and Padmalatha, * (2020) Erosion corrosion control of 6061 aluminum alloy in multi-phase jet impingement conditions with eco-friendly green inhibitor. Chinese Journal of Chemical Engineering, 28. pp. 340-347. ISSN 1004-9541

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Abstract

Erosion corrosion performance of 6061 aluminum alloy in simulated sea water slurry was investigated under multi-phase jet impingement conditions. The main objective of the work is to study erosion–corrosion of a material with engineering application and mitigate it using eco- friendly green inhibitor. Experiments were performed with the sand concentration of 0.3% and 0.3 μm size. The effect of temperature and flow rate on the performance of inhibitor was explored. Electrochemical methods were adopted for erosion-corrosion measurements. Experiments revealed that starch could mitigate erosion-corrosion with a maximum reduction efficiency of 58% at temperature of 303 K and flow rate of 4 L·min–1 . Inhibition efficiency decreased with increase in flowrate and temperature. EIS spectrum demonstrated that the corrosion process in the presence on inhibitor was both charge transfer and mass transfer controlled. A key role of hydrodynamics in the performance of corrosion inhibitor was confirmed by the present study.

Item Type: Article
Uncontrolled Keywords: Erosion-corrosion Green-inhibitor Electrochemical studies Aluminum alloy Simulated sea water
Subjects: Engineering > MIT Manipal > Biotechnology
Engineering > MIT Manipal > Chemical
Engineering > MIT Manipal > Chemistry
Depositing User: MIT Library
Date Deposited: 25 Sep 2020 07:10
Last Modified: 25 Sep 2020 07:10
URI: http://eprints.manipal.edu/id/eprint/155688

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