Design and Characterization of Binary Nanofiller Reinforced Coating with Superior Protective Properties for Oil and Gas Pipelines
Publication: Pipelines 2022
ABSTRACT
Despite extensive efforts made by academic researchers and industries, the control of corrosion-induced damages in oil and gas pipelines is still facing challenges. Particularly for the internal surface, the exposure to harsh corrosive environment significantly accelerated the process of corrosion attacks. Nanocomposites have been attracting great attention for developing protection coatings as improved properties can be introduced by nanoparticle pigments. Our previous investigations revealed that nanofiller could enhance some properties; however, it may also have detrimental influences on others. Therefore, this study developed an epoxy-based coating reinforced by binary nanofillers with graphene nanoplatelets (GNP) and nano-silica (NS). The synergistic effects of GNP/NS on the mechanical, electrical, and tribological properties were comprehensively evaluated by experimental study. Results indicated the GNP/NS hybrid nanofiller system formed a more robust nanoparticle network with a higher dispersion, which provided a significant reinforcement on anti-corrosion performance and mechanical properties, compared to single nanofiller system. In addition, the simple fabrication method and easy application process showed its potential for large-scale commercial applications.
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Pipelines 2022
Pages: 66 - 75
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Published online: Jul 28, 2022
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