Metal Matrix Composite Coatings of Cupronickel Embedded with Nanoplatelets for Improved Corrosion Resistant Properties

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This article studies the effects of nanoplatelet reinforcement on the durability, corrosion resistance, and mechanical properties of copper-nickel coatings.

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12 p.

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Thurber, Casey; Ahmad, Yahia H.; Calhoun, Margaret C.; Al-Shenawa, Amaal; D'Souza, Nandika; Mohamed, Adel M. A. et al. June 3, 2018.

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This article studies the effects of nanoplatelet reinforcement on the durability, corrosion resistance, and mechanical properties of copper-nickel coatings.

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12 p.

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Abstract: The deterioration of metals under the influence of corrosion is a costly problem faced by many industries. Therefore, particle-reinforced composite coatings are being developed in different technological fields with high demands for corrosion resistance. This work studies the effects of nanoplatelet reinforcement on the durability, corrosion resistance, and mechanical properties of copper-nickel coatings. A 90 : 10 Cu-Ni alloy was coelectrodeposited with nanoplatelets of montmorillonite (Mt) embedded into the metallic matrix from electrolytic baths containing 0.05, 0.10, and 0.15% Mt. X-ray diffraction of the coatings indicated no disruption of the crystal structure with addition of the nanoplatelets into the alloy. The mechanical properties of the coatings improved with a 17% increase in hardness and an 85% increase in shear adhesion strength with nanoplatelet incorporation. The measured polarization resistance increased from 11.77 kΩ·cm2 for pure Cu-Ni to 33.28 kΩ·cm2 for the Cu-Ni-0.15% Mt coating after soaking in a simulated seawater environment for 30 days. The incorporation of montmorillonite also stabilized the corrosion potential during the immersion study and increased resistance to corrosion.

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  • International Journal of Corrosion, 2018. Cairo, Egypt: Hindawi Publishing Corporation

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  • Publication Title: International Journal of Corrosion
  • Volume: 2018
  • Pages: 11
  • Peer Reviewed: Yes

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UNT Scholarly Works

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  • January 24, 2018

Accepted Date

  • April 17, 2018

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  • June 3, 2018

Added to The UNT Digital Library

  • June 15, 2018, 10:41 p.m.

Description Last Updated

  • Feb. 8, 2021, 3:36 p.m.

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Thurber, Casey; Ahmad, Yahia H.; Calhoun, Margaret C.; Al-Shenawa, Amaal; D'Souza, Nandika; Mohamed, Adel M. A. et al. Metal Matrix Composite Coatings of Cupronickel Embedded with Nanoplatelets for Improved Corrosion Resistant Properties, article, June 3, 2018; Cairo, Egypt. (https://digital.library.unt.edu/ark:/67531/metadc1164523/: accessed March 22, 2023), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT College of Science.

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