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Electrochemical impedance spectroscopy study of CuO and Cu coating systems.

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Title: Electrochemical impedance spectroscopy study of CuO and Cu coating systems.
Authors: Nor, N.A. Mat, Ismail, L., Jamari, S.K.M., Ramesh, K. rameshkasi@um.edu.my, Vengadaesvaran, B., Arof, A.K.
Source: Pigment & Resin Technology. 2014, Vol. 43 Issue 6, p371-378. 8p.
Subjects: Organic coatings, Impedance spectroscopy, Epoxy coatings, Polyesters, Mechanical properties of metals, Corrosion prevention, Thermal properties
Abstract: Purpose -- This paper aims to analyse the coating behaviour in corrosion environment as well as to evaluate the best percentage amount of copper oxide and copper needed for organic coating in order to prevent the corrosion degradation. Electrochemical impedance spectroscopy (EIS) studies have been conducted in order to evaluate the corrosion performance of polyester-epoxy-copper oxide and polyester-epoxy-copper coating systems. Design/methodology/approach -- The availability of this modem instruments is used to obtain impedance data as well as computer programs to interpret the results that made the technique popular. In addition, EIS is well suited to the study of polymer-coated metals. Findings -- The results showed that samples containing 25 weight per cent of copper oxide and copper (90P25CuO and 90P25Cu) obtained the excellent corrosion properties from the first day up to 30 days of NaCl immersion. The highest corrosion resistance values obtained by 90P25CuO and 90P25Cu on the 30th day were 7.107 × 108 O and 5.701 × 108 O, respectively, with lower double layer capacitance of 1.407 × 10-9 Farad and 3.935 × 10-9 Farad, respectively. Moreover, the water uptake gained by these two coating samples was the lowest at the end of immersion, which was 0.0084 for 90P25CuO and 0.1592 for 90P25Cu, showing that the sample has good corrosion performance. Originality/value -- This paper discussed on the highest corrosion resistance, double layer capacitance and the water uptake of the copper (Cu) and copper oxide (CuO) coating system obtained from the EIS measurements. [ABSTRACT FROM AUTHOR]
Copyright of Pigment & Resin Technology is the property of Emerald Publishing Limited and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 100747572
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  Label: Title
  Group: Ti
  Data: Electrochemical impedance spectroscopy study of CuO and Cu coating systems.
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  Data: <searchLink fieldCode="AR" term="%22Nor%2C+N%2EA%2E+Mat%22">Nor, N.A. Mat</searchLink><br /><searchLink fieldCode="AR" term="%22Ismail%2C+L%2E%22">Ismail, L.</searchLink><br /><searchLink fieldCode="AR" term="%22Jamari%2C+S%2EK%2EM%2E%22">Jamari, S.K.M.</searchLink><br /><searchLink fieldCode="AR" term="%22Ramesh%2C+K%2E%22">Ramesh, K.</searchLink><i> rameshkasi@um.edu.my</i><br /><searchLink fieldCode="AR" term="%22Vengadaesvaran%2C+B%2E%22">Vengadaesvaran, B.</searchLink><br /><searchLink fieldCode="AR" term="%22Arof%2C+A%2EK%2E%22">Arof, A.K.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Pigment+%26+Resin+Technology%22">Pigment & Resin Technology</searchLink>. 2014, Vol. 43 Issue 6, p371-378. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Organic+coatings%22">Organic coatings</searchLink><br /><searchLink fieldCode="DE" term="%22Impedance+spectroscopy%22">Impedance spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Epoxy+coatings%22">Epoxy coatings</searchLink><br /><searchLink fieldCode="DE" term="%22Polyesters%22">Polyesters</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+properties+of+metals%22">Mechanical properties of metals</searchLink><br /><searchLink fieldCode="DE" term="%22Corrosion+prevention%22">Corrosion prevention</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+properties%22">Thermal properties</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Purpose -- This paper aims to analyse the coating behaviour in corrosion environment as well as to evaluate the best percentage amount of copper oxide and copper needed for organic coating in order to prevent the corrosion degradation. Electrochemical impedance spectroscopy (EIS) studies have been conducted in order to evaluate the corrosion performance of polyester-epoxy-copper oxide and polyester-epoxy-copper coating systems. Design/methodology/approach -- The availability of this modem instruments is used to obtain impedance data as well as computer programs to interpret the results that made the technique popular. In addition, EIS is well suited to the study of polymer-coated metals. Findings -- The results showed that samples containing 25 weight per cent of copper oxide and copper (90P25CuO and 90P25Cu) obtained the excellent corrosion properties from the first day up to 30 days of NaCl immersion. The highest corrosion resistance values obtained by 90P25CuO and 90P25Cu on the 30th day were 7.107 × 108 O and 5.701 × 108 O, respectively, with lower double layer capacitance of 1.407 × 10-9 Farad and 3.935 × 10-9 Farad, respectively. Moreover, the water uptake gained by these two coating samples was the lowest at the end of immersion, which was 0.0084 for 90P25CuO and 0.1592 for 90P25Cu, showing that the sample has good corrosion performance. Originality/value -- This paper discussed on the highest corrosion resistance, double layer capacitance and the water uptake of the copper (Cu) and copper oxide (CuO) coating system obtained from the EIS measurements. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Pigment & Resin Technology is the property of Emerald Publishing Limited and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1108/PRT-02-2014-0014
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 371
    Subjects:
      – SubjectFull: Organic coatings
        Type: general
      – SubjectFull: Impedance spectroscopy
        Type: general
      – SubjectFull: Epoxy coatings
        Type: general
      – SubjectFull: Polyesters
        Type: general
      – SubjectFull: Mechanical properties of metals
        Type: general
      – SubjectFull: Corrosion prevention
        Type: general
      – SubjectFull: Thermal properties
        Type: general
    Titles:
      – TitleFull: Electrochemical impedance spectroscopy study of CuO and Cu coating systems.
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            NameFull: Nor, N.A. Mat
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            NameFull: Ismail, L.
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              M: 10
              Text: 2014
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              Y: 2014
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              Value: 43
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