2020
DOI: 10.1590/s1517-707620200002.1049
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Desenvolvimento e caracterização de revestimentos Ni e Ni-Grafeno obtidos por eletrodeposição em aço API 5L X80

Abstract: RESUMO O presente trabalho teve como objetivo desenvolver e caracterizar revestimentos nanocompósitos de Ni e Ni-Grafeno aplicados em superfície de aço API 5L X80, utilizando o processo de eletrodeposição, para obter melhores propriedades anticorrosivas. Corpos de prova de dimensões de 20x20x3 mm foram submetidos à limpeza e preparação metalográfica, para posterior deposição dos revestimentos. Para o processo de eletrodeposição foi utilizado um banho à base de níquel contendo dodecil sulfato de sódio (SDS) com… Show more

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Cited by 2 publications
(1 citation statement)
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“…In this work, the promotion of corrosion resistance by GO addition could not be due to a graphene layer formation once its layer was not identi ed by Raman spectroscopy, and the metallographic preparation necessary for electrochemical tests would remove the graphene-related material layer. In some works, the improvement of corrosion resistance with graphene addition is by impregnation of graphene in the volume of a metal coating by electrodeposition process, being not a barrier effect responsible for corrosion resistance enhancement [75][76][77]. In the present work is not expected that any graphene-related material was present in the weld metal microstructure due the high temperature achieved in the welding arc being probably capable of degrading the graphene materials.…”
Section: Corrosion Resistance Evaluation Of the Weld Metalsmentioning
confidence: 68%
“…In this work, the promotion of corrosion resistance by GO addition could not be due to a graphene layer formation once its layer was not identi ed by Raman spectroscopy, and the metallographic preparation necessary for electrochemical tests would remove the graphene-related material layer. In some works, the improvement of corrosion resistance with graphene addition is by impregnation of graphene in the volume of a metal coating by electrodeposition process, being not a barrier effect responsible for corrosion resistance enhancement [75][76][77]. In the present work is not expected that any graphene-related material was present in the weld metal microstructure due the high temperature achieved in the welding arc being probably capable of degrading the graphene materials.…”
Section: Corrosion Resistance Evaluation Of the Weld Metalsmentioning
confidence: 68%