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Nano oxide-dispersed nickel composite plating
- Authors
- Park, So-Yeon; Jung, Myung-Won; Lee, Jae-Ho
- Issue Date
- Nov-2013
- Publisher
- KOREAN INST METALS MATERIALS
- Keywords
- composite plating; nanopowder; dispersion; zeta potential; silica; titania
- Citation
- ELECTRONIC MATERIALS LETTERS, v.9, no.6, pp.801 - 804
- Journal Title
- ELECTRONIC MATERIALS LETTERS
- Volume
- 9
- Number
- 6
- Start Page
- 801
- End Page
- 804
- ISSN
- 1738-8090
- Abstract
- In this study, nickel based composite coatings were prepared by electroplating in baths with two different types of nano oxide powder, 20 nm SiO2 and 50 nm TiO2. The effects of pH, zeta potential, and current density on dispersing the nanopowder in the electroplated composite layer were studied. Zeta potential values were measured at different values of pH in the bath. The surface charge of the silica nanopowder increased negatively with an increasing pH value. The most effective current density for the surface morphology was 20 mA/cm(2) for a NiFe-SiO2 composite coating and 40 mA/cm(2) for a Ni-TiO2 composite coating. The surface hardness of the composite coating increased with addition of the nanopowder.
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Related Researcher
- Lee, Jae Ho
- Engineering (Advanced Materials)