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Metal Matrix Nanocomposite Coatings with Carbon Nanotube Mats and Method of Application

IP.com Disclosure Number: IPCOM000248018D
Publication Date: 2016-Oct-18
Document File: 1 page(s) / 8K

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The IP.com Prior Art Database

Abstract

Performance of anticorrosion and abrasion resistant metal matrix nanocomposite coatings can be improved by incorporating of ordered layers of carbon nanotube mats (C-Mats) into them.

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Metal Matrix Nanocomposite Coatings with Carbon Nanotube Mats and Method of Application

    Performance of anticorrosion and abrasion resistant metal matrix nanocomposite coatings can be improved by incorporating of ordered layers of carbon nanotube mats (C-Mats) into them.

    Mechanical, anticorrosion and abrasion resistance characteristics of metal matrix nanocomposite coatings prepared by electroless deposition, elecroplating, elecroforming, CVD, plasma-assisted deposition and the like can be improved by incorporating a single layer or ordered multiple layers of carbon nanotube C-Mats serve as a frame for coatings that can be infiltrated by metal ions, clusters and atoms. Nanoparticle additives such as functionalized diamond, graphene and graphene oxide will adhere better to the carbon-based frame than to the metal filler, thereby making the coating more mechanically sound. In addition, these nanoparticles can be covalently attached to the carbon nanotubes of C-Mats. Other abrasive nanoparticles such as silicon carbide, titanium boride, and cubic boron nitride can be incorporated into the coating. Addition of highly thermally conductive graphene or hexagonal boron nitride will help to avoid thermal gradients within the coating and between the coating and the article to avoid the thermal damage to the coatings. These platelets and nanoclays will also provide gas barrier properties to the coating. Application of C-Mats on top of the nanocomposite coating will render t...