Electroless quaternary ni-cu-co-p alloy deposition mechanism in acidic bath using cyclic voltammetry measurement

Mohd Nor Azran, Muhamad Khaizaki, Muhammad Alif, Muhammad Zaimi, Mohd Asyadi ‘Azam, Mohd Shahir Kasim, Mohd Sanusi Abdul Aizi, T. Joseph Sahaya Anand, Che Hassan Che Haron, Jaharah A Ghani

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Quaternary nickel alloy of Ni-Co-Cu-P has been successfully deposit on Fe substrate for corrosion resistant material. However, the reaction mechanism of quaternary nickel alloy deposition is less known and requires investigation. In this study, using similar bath component is used to produce electroless Ni-Cu-Co-P alloy. Cyclic voltammetry (CV) study is done in various plating bath component at bath pH 4.50, 4.75 and 5.00. A coating of Ni-Cu-Co-P alloy was deposited on a Fe substrate to evaluate surface morphology and composition. From CV results, higher bath pH, increases the [H2PO2 -] oxidation peak and shifted the oxidation potential towards less noble potential. The reduction potential of the Ni alloy moved to noble potential, hence, elevate deposition rate from 3.95 to 5.95 μm/hr. The Ni-Cu-Co-P alloy composition on Fe substrate in descending manner is Ni (68.55 – 82.09 wt%), Cu (14.11 – 27.80 wt%) and Co (1.32 -1.52wt%). The P content remained lower than 3.00 wt%. Hence, Co act as reaction inhibitor, while Cu act as both reaction accelerator and stabilizer.

Original languageEnglish
Pages (from-to)7-13
Number of pages7
JournalJurnal Teknologi
Volume79
Issue number5-2
DOIs
Publication statusPublished - 2017

Fingerprint

Cyclic voltammetry
Nickel alloys
Substrates
Oxidation
Deposition rates
Plating
Surface structure
Particle accelerators
Surface morphology
Deposits
Corrosion
Coatings
Chemical analysis

Keywords

  • Corrosion resistant coating
  • Cyclic voltammetry
  • Deposition mechanism
  • Electroless quaternary nickel alloy deposition
  • Surface morphology

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Electroless quaternary ni-cu-co-p alloy deposition mechanism in acidic bath using cyclic voltammetry measurement. / Azran, Mohd Nor; Khaizaki, Muhamad; Alif, Muhammad; Zaimi, Muhammad; ‘Azam, Mohd Asyadi; Kasim, Mohd Shahir; Aizi, Mohd Sanusi Abdul; Anand, T. Joseph Sahaya; Che Haron, Che Hassan; A Ghani, Jaharah.

In: Jurnal Teknologi, Vol. 79, No. 5-2, 2017, p. 7-13.

Research output: Contribution to journalArticle

Azran, MN, Khaizaki, M, Alif, M, Zaimi, M, ‘Azam, MA, Kasim, MS, Aizi, MSA, Anand, TJS, Che Haron, CH & A Ghani, J 2017, 'Electroless quaternary ni-cu-co-p alloy deposition mechanism in acidic bath using cyclic voltammetry measurement', Jurnal Teknologi, vol. 79, no. 5-2, pp. 7-13. https://doi.org/10.11113/jt.v79.11273
Azran, Mohd Nor ; Khaizaki, Muhamad ; Alif, Muhammad ; Zaimi, Muhammad ; ‘Azam, Mohd Asyadi ; Kasim, Mohd Shahir ; Aizi, Mohd Sanusi Abdul ; Anand, T. Joseph Sahaya ; Che Haron, Che Hassan ; A Ghani, Jaharah. / Electroless quaternary ni-cu-co-p alloy deposition mechanism in acidic bath using cyclic voltammetry measurement. In: Jurnal Teknologi. 2017 ; Vol. 79, No. 5-2. pp. 7-13.
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