Recently, researchers from Monash University in Australia and Rice University in Australia have used graphene films that are invisible to the naked eye as a coating to increase the corrosion resistance of copper by nearly a factor of 100, providing great potential for metal flood protection in harsh environments. The researchers pointed out that the use of graphene films as anti-corrosion coatings also means that there has been a modest shift in the development of protective coatings. Related papers were published in the Carbon magazine published in September.
As a widely-recognized new material, scientists are currently developing the potential of using graphene to increase metal corrosion resistance. The team used a technique called "chemical vapor deposition" to attach graphene to copper at 800-900 degrees Celsius and test it in salt water. “Our results are also one of the best improvements reported so far.†The author of the paper, Mannaka Margamd, said, “The corrosion resistance is nearly 100 times higher than that of untreated copper. Other research possibilities Only five or six times or more. This is a considerable leap forward."
The researcher's principal experimenter, Parama Bannerg, said that graphene has excellent mechanical properties and high strength. Polymer coatings commonly used on metals are easily scratched, reducing their protective properties. Although the graphene coating is neither visible nor intangible in appearance, it is more resistant to damage. "I called it 'magical material'."
“In countries such as Australia that are surrounded by oceans, the use of atomic coatings to provide special protection for the environment is particularly important.†Banerjee said that although preliminary experiments were limited to copper, they are already using other metals to conduct experiments.
The researchers pointed out that this technology has a wide range of application prospects. From ocean-going vessels to electronic products, the useful life of metal can be greatly extended in any place where metal is used and there is a risk of corrosion. This also means that many industries will save huge costs. At present, the technology process of this technology is still in the experimental testing stage. Magamd said that they not only conduct experiments on various metals, but also study how to make coatings at low temperatures, which will simplify production and increase the market potential of products. (Reporter Chang Lijun)
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