Gallic Acid as Corrosion Inhibitor for Aluminum 6061 in Alkali Solutions

Enas Hussien Ali; Takialdin A. Himdan; Zainab W. Ahmed

doi:10.30526/32.1.1983

Article Details

Gallic Acid as Corrosion Inhibitor for Aluminum 6061 in Alkali Solutions

Authors:

Enas Hussien Ali | Takialdin A. Himdan | Zainab W. Ahmed

Publisher:

University of Baghdad

Journal:

Ibn AL-Haitham Journal For Pure and Applied Sciences Vol.32 Issue 1, pp.17-27

Document Type:

Article

Publication Date:

1/2019

Document Language:

English

Document ID (Org No.):

2001377682

pISSN:

2521-3407

DOI:

10.30526/32.1.1983

Keywords:

Abstract:

 The research aims to study the corrosion of aluminum alloy(6061) in 0.6 mol. dm-3 NaCl solution in base medium  was examined with out and with Gallic acid as environmentally â€“ friendly corrosion inhibitor at temperature range (298-313)K. The inhibitive action of gallic acid on corrosion of aluminum alloy(6061)  in KOH solution was examined through electrochemical polarization method using potentiostatic technique and surface analysis by optical microscopy,  Polarization measurements indicate that the examined compound act as a mixed type inhibitor. Results appeared that the inhibition occurs through adsorption of the inhibitor molecules on the metal surface and it was obeyed Langmuir adsorption isotherm. Some thermodynamic parameters activation energy  were calculated to elaborate the mechanism of inhibition. The surface characteristic of the inhibited and uninhibited metal samples were examined by optical microscopy.

Article Details

Gallic Acid as Corrosion Inhibitor for Aluminum 6061 in Alkali Solutions

Authors:

Enas Hussien Ali | Takialdin A. Himdan | Zainab W. Ahmed

Publisher:

University of Baghdad

Journal:

Ibn AL-Haitham Journal For Pure and Applied Sciences Vol.32 Issue 1, pp.17-27

Document Type:

Article

Publication Date:

1/2019

Document Language:

English

Document ID (Org No.):

2001377682

pISSN:

2521-3407

DOI:

10.30526/32.1.1983

Aluminium

Corrosion inhibition

Gallic acid

Adsorption Mechanism

thermodynamic parameters

Issues

Article Details

Gallic Acid as Corrosion Inhibitor for Aluminum 6061 in Alkali Solutions

Authors: Enas Hussien Ali | Takialdin A. Himdan | Zainab W. Ahmed

Publisher: University of Baghdad

Journal: Ibn AL-Haitham Journal For Pure and Applied Sciences Vol.32 Issue 1, pp.17-27

Document Type: Article

Publication Date: 1/2019

Document Language: English

Document ID (Org No.): 2001377682

pISSN: 2521-3407

DOI: 10.30526/32.1.1983

Aluminium

Corrosion inhibition

Gallic acid

Adsorption Mechanism

thermodynamic parameters

Issues

Authors:

Enas Hussien Ali | Takialdin A. Himdan | Zainab W. Ahmed

Publisher:

University of Baghdad

Journal:

Ibn AL-Haitham Journal For Pure and Applied Sciences Vol.32 Issue 1, pp.17-27

Document Type:

Article

Publication Date:

1/2019

Document Language:

English

Document ID (Org No.):

2001377682

pISSN:

2521-3407

DOI:

10.30526/32.1.1983