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AuthorWang, Yuxin
AuthorChen, Weiwei
AuthorShakoor, Abdul
AuthorKahraman, Ramazan
AuthorLu, Wei
AuthorYan, Biao
AuthorGao, Wei
Available date2022-10-05T07:23:08Z
Publication Date2014
Publication NameInternational Journal of Electrochemical Science
ResourceScopus
URIhttp://hdl.handle.net/10576/34861
AbstractNi-P-TiO2 composite coatings were prepared on copper substrate by TiO2 sol-enhanced electroplating. A systematic study of Ni-P-X coatings with different sol concentrations (TiO2 concentration X from 0 to 50 mL/L) has been conducted in order to understand the effect of TiO2 sol addition and the strengthening mechanism. The sol-enhanced coatings show significantly improved mechanical properties comparing with the traditional composite coatings. The optimal mechanical properties can be achieved when the sol concentration is 12.5 mL/L. In this case, the microhardness of Ni-P-12.5 mL/L TiO2 composite coatings can reach ~710 HV while the Ni-P is ~520 HV. It is observed that the TiO2 nanoparticles tend to aggregate and the voids may emerge in the coatings when excess sol was added into the electrolyte, decreasing the dispersion strengthen effect. Correspondingly, the mechanical property of Ni-P-50 ml/L TiO2 coating declined.
Languageen
PublisherElectrochemical Science Group
SubjectMicrohardness
Sol-enhanced electroplating
Wear resistance
TitleNi-P-TiO2 Composite coatings on copper produced by sol-enhanced electroplating
TypeArticle
Pagination4384-4393
Issue Number8
Volume Number9
dc.accessType Open Access


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