Inhibition of aluminum alloy 2024 corrosion by 4-amino-5-phenyl-4H-1, 2, 4-trizole-3-thiol in highly sulfuric acid solution

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Electrochemical polarization and electrochemical impedance spectroscopy (EIS) were involved to study the corrosion inhibition of aluminum alloy 2024 in 2.5M H2SO4 solution by 4-amino-5-phenyl-4H-1, 2, 4-triazole-3-thiol (APTT) at 30 °C. Potentiodynamic polarization results were comparable with those obtained by impedance measurements. Results showed that APTT performed as inhibitor for aluminum alloy 2024 corrosion in 2.5M H2SO4 solution and it attains an efficiency of more than 32% at 4x10-4 M at 30 °C . The inhibition efficiency increases with an increase in the concentration of APTT. Polarization curves show that APTT is a mix-type inhibitor. Changes in impedance parameters (charge transfer resistance, Rct, and double layer capacitance, Cdl) were indicative of adsorption of APTT on the aluminum alloy 2024 surface, leading to the formation of protective films.

Original languageEnglish
Title of host publicationAdvanced Materials Research
Pages354-357
Number of pages4
Volume93-94
DOIs
Publication statusPublished - 2010
EventInternational Conference on Functionalized and Sensing Materials, FuSeM 2009 - Bangkok
Duration: 7 Dec 20099 Dec 2009

Publication series

NameAdvanced Materials Research
Volume93-94
ISSN (Print)10226680

Other

OtherInternational Conference on Functionalized and Sensing Materials, FuSeM 2009
CityBangkok
Period7/12/099/12/09

Fingerprint

Sulfuric acid
Aluminum alloys
Corrosion
Polarization
Potentiodynamic polarization
Protective coatings
Corrosion inhibitors
Electrochemical impedance spectroscopy
Charge transfer
Capacitance
Adsorption

Keywords

  • Acid corrosion
  • Aluminum alloy
  • Corrosion inhibition

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Inhibition of aluminum alloy 2024 corrosion by 4-amino-5-phenyl-4H-1, 2, 4-trizole-3-thiol in highly sulfuric acid solution. / Musa, Ahmed Y.; Mohamad, Abu Bakar; Kadhum, Abdul Amir H.; Takriff, Mohd Sobri; Daud, Abdul Razak; Kamarudin, Siti Kartom.

Advanced Materials Research. Vol. 93-94 2010. p. 354-357 (Advanced Materials Research; Vol. 93-94).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Musa, AY, Mohamad, AB, Kadhum, AAH, Takriff, MS, Daud, AR & Kamarudin, SK 2010, Inhibition of aluminum alloy 2024 corrosion by 4-amino-5-phenyl-4H-1, 2, 4-trizole-3-thiol in highly sulfuric acid solution. in Advanced Materials Research. vol. 93-94, Advanced Materials Research, vol. 93-94, pp. 354-357, International Conference on Functionalized and Sensing Materials, FuSeM 2009, Bangkok, 7/12/09. https://doi.org/10.4028/www.scientific.net/AMR.93-94.354
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abstract = "Electrochemical polarization and electrochemical impedance spectroscopy (EIS) were involved to study the corrosion inhibition of aluminum alloy 2024 in 2.5M H2SO4 solution by 4-amino-5-phenyl-4H-1, 2, 4-triazole-3-thiol (APTT) at 30 °C. Potentiodynamic polarization results were comparable with those obtained by impedance measurements. Results showed that APTT performed as inhibitor for aluminum alloy 2024 corrosion in 2.5M H2SO4 solution and it attains an efficiency of more than 32{\%} at 4x10-4 M at 30 °C . The inhibition efficiency increases with an increase in the concentration of APTT. Polarization curves show that APTT is a mix-type inhibitor. Changes in impedance parameters (charge transfer resistance, Rct, and double layer capacitance, Cdl) were indicative of adsorption of APTT on the aluminum alloy 2024 surface, leading to the formation of protective films.",
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AU - Musa, Ahmed Y.

AU - Mohamad, Abu Bakar

AU - Kadhum, Abdul Amir H.

AU - Takriff, Mohd Sobri

AU - Daud, Abdul Razak

AU - Kamarudin, Siti Kartom

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N2 - Electrochemical polarization and electrochemical impedance spectroscopy (EIS) were involved to study the corrosion inhibition of aluminum alloy 2024 in 2.5M H2SO4 solution by 4-amino-5-phenyl-4H-1, 2, 4-triazole-3-thiol (APTT) at 30 °C. Potentiodynamic polarization results were comparable with those obtained by impedance measurements. Results showed that APTT performed as inhibitor for aluminum alloy 2024 corrosion in 2.5M H2SO4 solution and it attains an efficiency of more than 32% at 4x10-4 M at 30 °C . The inhibition efficiency increases with an increase in the concentration of APTT. Polarization curves show that APTT is a mix-type inhibitor. Changes in impedance parameters (charge transfer resistance, Rct, and double layer capacitance, Cdl) were indicative of adsorption of APTT on the aluminum alloy 2024 surface, leading to the formation of protective films.

AB - Electrochemical polarization and electrochemical impedance spectroscopy (EIS) were involved to study the corrosion inhibition of aluminum alloy 2024 in 2.5M H2SO4 solution by 4-amino-5-phenyl-4H-1, 2, 4-triazole-3-thiol (APTT) at 30 °C. Potentiodynamic polarization results were comparable with those obtained by impedance measurements. Results showed that APTT performed as inhibitor for aluminum alloy 2024 corrosion in 2.5M H2SO4 solution and it attains an efficiency of more than 32% at 4x10-4 M at 30 °C . The inhibition efficiency increases with an increase in the concentration of APTT. Polarization curves show that APTT is a mix-type inhibitor. Changes in impedance parameters (charge transfer resistance, Rct, and double layer capacitance, Cdl) were indicative of adsorption of APTT on the aluminum alloy 2024 surface, leading to the formation of protective films.

KW - Acid corrosion

KW - Aluminum alloy

KW - Corrosion inhibition

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