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AuthorFayyaz, Osama
AuthorYusuf, Moinuddin M.
AuthorBagherifard, Sara
AuthorMontemor, M. F.
AuthorShakoor, R. A.
Available date2023-09-27T07:54:10Z
Publication Date2022-09-01
Publication NameJournal of Materials Research and Technology
Identifierhttp://dx.doi.org/10.1016/j.jmrt.2022.07.184
ISSN22387854
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85145574670&origin=inward
URIhttp://hdl.handle.net/10576/47988
AbstractNickel-based coatings are well known for their good corrosion resistance performance. However, these materials suffer from inferior mechanical properties that limit their wider application. This work investigates the synthesis, and performs an exhaustive characterization, of Ni-P-B4C nanocomposite coatings developed through conventional electrodeposition using a modified Watts bath. The study examines the effect of an increase in the concentration of boron carbide nanoparticles (BCNPs) on the structural, morphological, topographical, mechanical and electrochemical properties of the nanocomposite coating. Vickers microhardness tester and nanoindentation technique were utilized to elucidate the role of BCNPs in modifying the mechanical response of nanocomposite coatings. Furthermore, corrosion resistance of the nanocomposite coatings was investigated through d.c potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). Comparison of the properties of the developed coatings revealed the remarkable improvement in the properties of Ni-P-B4C nanocomposite coatings when compared to the bare mild steel substrate and the Ni-P coatings. The enhanced corrosion resistance and superior mechanical properties of Ni-P-B4C nanocomposite coatings make them attractive for many industries. Based upon the experimental findings, a possible mechanism for the synthesis and improved corrosion resistance of Ni-P-B4C nanocomposite coatings was also proposed.
SponsorThe present work is supported by Qatar University Grants (IRCC-2020-006 and IRCC-2022-491). The opinions expressed in this article are solely the responsibility of the authors. The authors acknowledge the services of Central Laboratory Unit (CLU), Qatar University for Microstructural analysis (FE-SEM/EDS and HR-TEM). XPS facility of Gas Processing Center (GPC), Qatar University, was utilized to study compositional analysis. XPS discussion with Mr. Mustafa Sliem is also acknowledged. M. F. Montemor acknowledges Fundação para a Ciência e a Tecnologia for CQE - UIDB/00100/2020, UIDP/00100/2020 and LA/P/0056/2020. Open Access funding is provided by the Qatar National Library.
Languageen
PublisherElsevier
SubjectCorrosion resistance
Deposition mechanism
Hardness
Metallic coating
Nanocomposite
TitleProbing into the properties of B4C reinforced nickel phosphorus-based nanocomposite coating
TypeArticle
Pagination2323-2334
Volume Number20


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