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Revealing the erosion-corrosion performance of sphere-shaped morphology of nickel matrix nanocomposite strengthened with reduced graphene oxide nanoplatelets

Yasin G. State Key Laboratory of Electrochemical Process and Technology for Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China|
Zuo Y. | Ali D. | Tabish M. | Slimani Y. | Nguyen T.A. | Mehtab T. Department of Physics Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University (IAU), P.O. Box 1982, Dammam, 31441, Saudi Arabia| Arif M. Institute for Tropical Technology, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam| Khan W.Q. Department of Physics, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan| Khan M.A. Institute of Advanced Materials, Bahauddin Zakariya University, Multan, 60000, Pakistan| Malik M.U. School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China| Anjum M.J. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China|

Diamond and Related Materials Số , năm 2020 (Tập 104, trang -)

DOI: 10.1016/j.diamond.2020.107763

Tài liệu thuộc danh mục: ISI, Scopus

English

English

Từ khóa: Corrosion resistance; Electrochemical deposition; Erosion; Graphene; Graphene Nanoplatelets; Metallic matrix composites; Microhardness; Morphology; Nickel coatings; Reduced Graphene Oxide; Reduction; Reinforcement; Surface properties; Erosion - corrosions; Erosion-corrosion resistance; Excellent corrosion resistances; Metal matrix nano composites; Microstructure refinement; Nano-composite coating; Reduced graphene oxides (RGO); Reinforced nanocomposite; Corrosion resistant coatings
Tóm tắt tiếng anh
Exceptional mechanical and better surface properties of metals are highly desirable for current pioneering applications. Recently, the electrochemical deposition is regarded as one of the appropriate methods to produce nanocomposite coatings with higher mechanical and excellent corrosion resistance properties. In this work, nickel-metal matrix nanocomposite coating reinforced with reduced graphene oxide (rGO) platelets has been fabricated with an electrochemical deposition technique to investigate the potential to improve the surface properties. The findings of this study demonstrate the impelling effect of rGO nanoplatelets on the mechanical and electrochemical properties of the produced nanocomposite coating. The sphere-like morphology, higher micro-hardness (504 HV) and enhanced erosion-corrosion resistance (4.07 Rct/kΩcm2) compared with a pure nickel coating (240 HV, 1.75 Rct/kΩcm2, respectively) are observed for nickel-rGO nanocomposite coating. Moreover, the thickness of the coating is significantly increased with the introduction of rGO nanoplatelets. The remarkable microstructure refinement is obtained which is supported by the intensity reduction of preferred planes of the Ni matrix. Furthermore, the grain sizes are decreased from 35.82 nm to 22.79 nm for rGO reinforced nanocomposite coating. The average roughness (Ra) (Ra: 41.7 to Ra: 342) and long-time erosion-corrosion performance are improved due to the strengthening effect of rGO nanosheets reinforcement. © 2020 Elsevier B.V.

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