Environmentally benign green inhibitor to attenuate acid corrosion of 6061Aluminum-15%(v) SiC(P) composite

Charitha B P, Padmalatha Rao

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Work undertaken introduces environmentally safe inhibitor to attenuate acid corrosion of Al-CM. Studies were done by PDP and EIS techniques. Conditions were optimized to get maximum inhibition efficiency. Kinetic and thermodynamic parameters were calculated and discussed in detail. SEM, EDX, AFM, XRD and FT-IR techniques were adopted for surface morphology studies. Inulin showed maximum inhibition efficiency of 90% at 303. K. It acted as mixed type of inhibitor, underwent physisorption and followed Langmuir adsorption isotherm. The remarkable surface smoothness of Al-CM was achieved due to adsorption on inhibitor. The work is a contribution to corrosion chemistry using eco-friendly inhibitor.

Original languageEnglish
JournalJournal of Industrial and Engineering Chemistry
DOIs
Publication statusAccepted/In press - 2018

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Corrosion inhibitors
Corrosion
Acids
Composite materials
Physisorption
Inulin
Adsorption isotherms
Surface morphology
Energy dispersive spectroscopy
Thermodynamics
Adsorption
Scanning electron microscopy
Kinetics

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

Cite this

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abstract = "Work undertaken introduces environmentally safe inhibitor to attenuate acid corrosion of Al-CM. Studies were done by PDP and EIS techniques. Conditions were optimized to get maximum inhibition efficiency. Kinetic and thermodynamic parameters were calculated and discussed in detail. SEM, EDX, AFM, XRD and FT-IR techniques were adopted for surface morphology studies. Inulin showed maximum inhibition efficiency of 90{\%} at 303. K. It acted as mixed type of inhibitor, underwent physisorption and followed Langmuir adsorption isotherm. The remarkable surface smoothness of Al-CM was achieved due to adsorption on inhibitor. The work is a contribution to corrosion chemistry using eco-friendly inhibitor.",
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