Structure and Corrosion Resistance of Nickel-Molybdenum Alloy Coatings

• Authors: M. Popczyk , M. Zacharz , P. Osak , G. Dercz , B. Łosiewicz
• Languages of publication: EN

Abstracts

EN

Electrolytic Ni-Mo alloy coatings were obtained from the galvanic bath, at the temperature of T= 60°C under galvanostatic conditions using a cathodic current density of j= 80 mA cm¯². Surface morphology was studied using a scanning electron microscopy. Chemical composition of obtained coatings was determined by the energy dispersive spectroscopy. Structural studies were carried out using an X-ray diffraction method. Electrochemical corrosion resistance tests were carried out in 5% NaCl solution. It was found that X-ray diffraction investigations of all obtained coatings showed the characteristic "halo", which suggests that the obtained deposits have an amorphous structure. Chemical composition and corrosion resistance of the electrolytic Ni-Mo coatings depend on the concentration of Na₂MoO₄· 2H₂O in a galvanic bath. With the increase of the molybdenum content in the alloy coatings, their corrosion resistance increases.

Keywords

EN

81.15.-z; 82.45.Qr; 82.45.Bb

Discipline

• 82.45.Qr: Electrodeposition and electrodissolution(see also 81.15.Pq Electrodeposition, electroplating in materials science)
• 82.45.Bb: Corrosion and passivation(see also 81.65.Kn Corrosion protection and 81.65.Rv Passivation in surface treatments)
• 81.15.-z: Methods of deposition of films and coatings; film growth and epitaxy(for structure of thin films, see 68.55.-a; see also 85.40.Sz Deposition technology in microelectronics; for epitaxial dielectric films, see 77.55.Px)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 130
• Issue: 4
• Pages: 1072-1074

Dates

published

2016-10

Contributors

author

M. Popczyk

• Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland

author

M. Zacharz

• Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland

author

P. Osak

• Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland

author

G. Dercz

• Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland

author

B. Łosiewicz

• Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland

References

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• [2] M. Freitag, B. Losiewicz, T. Goryczka, J. Lelatko, Solid State Phenom. 183, 57 (2012), doi: 10.4028/www.scientific.net/SSP.183.57
• [3] B. Łosiewicz, G. Dercz, M. Popczyk, Solid State Phenom. 228, 116 (2015), doi: 10.4028/www.scientific.net/SSP.228.116
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Identifiers

DOI

10.12693/APhysPolA.130.1072