Tribological behaviour of OA-capped WO3 nanoparticles as an additive to base oils

Siti Fazlili Abdullah, Shahidan Radiman, Muhammad Azmi, Abdul Hamid, Noor Baa yah Ibrahim

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Abstract

Oleic acid (OA) capped wolfram (VI) oxide, WO3 nanoparticles were chemically synthesized and characterized by means of Fourier Transform-Infrared spectroscopy (FTIR) and transmission electron microscopy (TEM). The tribological properties of the capped WO3 nanoparticles as an additive in base oils were investigated using a four-ball machine. Results show that OA-capped WO3 nanoparticles are able to prevent water adsorption and capable of being dispersed stable in organic solvents which is base oils. The as-prepared capped WO3 nanoparticles have an average size of 15 nm. In addition, OA-capped WO3 nanoparticles as an additive in base oils perform good anti-wear (AW) and anti-friction (AF) properties owing to the formation of a boundary film.

Original languageEnglish
Pages (from-to)227-232
Number of pages6
JournalSains Malaysiana
Volume37
Issue number3
Publication statusPublished - 01 Sep 2008

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Cite this

Abdullah, S. F., Radiman, S., Azmi, M., Hamid, A., & Ibrahim, N. B. Y. (2008). Tribological behaviour of OA-capped WO3 nanoparticles as an additive to base oils. Sains Malaysiana, 37(3), 227-232.