Effect of electrolyte temperature on properties of nickel film coated onto copper alloy fabricated by electroplating

Ferry Budhi Susetyo, Musfirah Cahya Fajrah, Bambang Soegijono

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Nickel and nickel-based alloys as protective coatings are used in various applications where the corrosion resistance is required. They have been widely used in automotive, aircraft, marine, nuclear power plant, oil, and gas industries. This work aims at fabricating nickel layers on copper alloy substrates through electroplating techniques with different electrolyte temperatures (20, 30, and 50°C). The effect of the electrolyte temperature on the electroplated nickel layers was investigated by using a field emission scanning electron microscope, an X-ray diffraction (XRD), a potentiostat, a camera, and a microhardness test. It is expected that electrolyte temperatures could influence the surface morphology, crystallographic orientation, the electrochemical behavior, wettability, and the hardness of the nickel layers. The surface morphology shows differences in terms of the roughness and the grain size for various samples. Raising the electrolyte temperature from 20 to 50°C results in the increase of the water contact angles and the decrease in the hardness of the Ni layers, while the crystallite size has a maximum value at 30°C. Moreover, the different XRD intensity from the (111) planes shows a significant influence on the corrosion resistance.

Original languageEnglish
Pages (from-to)223-230
Number of pages8
Journale-Journal of Surface Science and Nanotechnology
Volume18
Issue number10
DOIs
Publication statusPublished - 2020

Keywords

  • Copper substrate
  • Electrolyte temperature
  • Nickel layer

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