Anticorrosion epoxy coating enriched with hybrid nanozinc dust and halloysite nanotubes
In this study, the performance of an epoxy coating with hybrid nanozinc dust and halloysite nanotube (HNT) fillers on the corrosion protection of a carbon steel substrate was investigated. The epoxy resin was mixed with a constant amount of nanozinc dust (1%) and different contents of HNTs (0, 0.5,...
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| Main Authors: | , , , , |
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| Format: | Article |
| Published: |
Wiley Periodicals, Inc.
2013
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/49476/ http://dx.doi.org/10.1002/app.39239 |
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| Summary: | In this study, the performance of an epoxy coating with hybrid nanozinc dust and halloysite nanotube (HNT) fillers on the corrosion protection of a carbon steel substrate was investigated. The epoxy resin was mixed with a constant amount of nanozinc dust (1%) and different contents of HNTs (0, 0.5, 1, and 1.5%) with a high speed mixer. Fourier transform infrared spectroscopy and thermogravimetric analysis were used to analyze the interactions between the components in the coating material and the thermal stability of the epoxy coating, respectively. Open-circuit potential, salt spray testing, and microscopy were also used to assess the corrosion resistance of the carbon steel substrate coated with these coating materials. The incorporation of nanozinc in the epoxy coating enhanced the corrosion protection of the carbon steel substrate compared with the pure coating. Furthermore, HNTs further enhanced the corrosion protection. The best protection was achieved when 1% nanozinc and 1% HNT were used |
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