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Construction of NiCo/graphene nanocomposite coating with bulges-like morphology for enhanced mechanical properties and corrosion resistance performance

Tabish College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China|
M. Tariq (45061200600) | Y. (57105963800); Nazir | Tuan Anh (7404370483); Slimani | Shumaila (57203432234); Nguyen School of Mechanical and Manufacturing Engineering, University of New South Wales, 2052, NSW, Australia| Waheed Qamar (57193136032); Ibraheem Department of Biophysics, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia| Muhammad Junaid (57208859277); Khan Institute for Tropical Technology, Vietnam Academy of Science and Technology, VAST, Hanoi, Viet Nam| Hafiz Muhammad (57163030500); Anjum Institute of Advanced Materials, Bahauddin Zakariya University, Multan, 60000, Pakistan| Ghulam (57189327690); Asif Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, 60000, Pakistan| Muhammad Abubaker (57202353343); Yasin Department of Chemistry, Khawaja Fareed University of Engineering and Information Technology. Raheem Yar Khan, 64200, Punjab, Pakistan| Muhammad Uzair (57215087757); Khan School of Physics and Optical Engineering Shenzhen University, Shenzhen, 518060, Guangdong, China| Mohammad (57211720578); Malik Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China|

Journal of Alloys and Compounds Số , năm 2021 (Tập 867, trang -)

ISSN: 9258388

ISSN: 9258388

DOI: 10.1016/j.jallcom.2021.159138

Tài liệu thuộc danh mục:

Article

English

Từ khóa: Binary alloys; Corrosion resistance; Corrosive effects; Deposition; Grain boundaries; Grain refinement; Mechanical properties; Morphology; Nickel steel; Platelets; Reduced Graphene Oxide; Steel corrosion; Structural metals; Surface roughness; Co deposition; Corrosive environment; Engineering applications; Mechanical and corrosion properties; Nano-composite coating; Nano-platelets; Q235 carbon steels; Steel substrate; Corrosion resistant coatings
Tóm tắt tiếng anh
Coatings with good mechanical, wear, erosion and corrosion protection properties are needed to protect the structural metals such as steels, which are enormously used in several engineering applications. For this purpose, NiCo and NiCo/rGO coatings are constructed onto the Q235 carbon steel through an electrochemical co-deposition process. The outcomes of this study deliver good mechanical properties and show better corrosion resistance against a corrosive environment. The incorporation of rGO nanoplatelets enable good mechanical and reinforcing properties as well as assist in the growth of unique sphere-like morphology with a higher microhardness of 590 HV and enhanced corrosion resistance 17.5 Rct/k Ωcm2 as compared to NiCo containing 325 HV and 4.55 Rct/k Ωcm2, respectively. In addition, the remarkable grain refinement is observed owing to the reinforcement of rGO platelets that support the formation of a large number of grain boundaries with less crystal growth and provide surface roughness as well as the cavities or pores are also filled by rGO platelets, which eventually contribute in enhancing the mechanical and corrosion properties of the steel substrate. © 2021 Elsevier B.V.

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