Tribological behaviour of  SnO 2   nanoparticles as an oil additive on brass | Zendy

Tao Chuanlin | Zendy; Wang Bingxu | Zendy; Barber Gary C. | Zendy; Schall J. David | Zendy; Lan Huiqing | Zendy

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Tribological behaviour of SnO 2 nanoparticles as an oil additive on brass

Author(s) -

Tao Chuanlin,

Wang Bingxu,

Barber Gary C.,

Schall J. David,

Lan Huiqing

Publication year - 2018

Publication title -

lubrication science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.632

H-Index - 36

eISSN - 1557-6833

pISSN - 0954-0075

DOI - 10.1002/ls.1416

Subject(s) - nanofluid , materials science , tribology , scanning electron microscope , nanoparticle , brass , oleic acid , pulmonary surfactant , reciprocating motion , tin , composite material , chemical engineering , energy dispersive x ray spectroscopy , metallurgy , nanotechnology , chemistry , copper , mechanical engineering , biochemistry , gas compressor , engineering

In this research, the tribological behaviour of oil‐based SnO 2 nanofluid was evaluated using flat‐on‐flat reciprocating sliding tests on brass. Oleic acid was used as surfactant to improve the stability of SnO 2 nanofluid. The morphology of the worn surfaces was observed using optical microscopy, scanning electron microscopy, and energy‐dispersive X‐ray spectroscopy. It was found that oil‐based SnO 2 nanofluid reduced the coefficient of friction up to 65.4% and the wear volume loss up to 43.7%. In the analysis of the chemical composition inside the wear track, a tribosintered or embedded patchy film containing tin was observed, which protected the surface against wear and lowered the coefficient of friction. The SnO 2 nanoparticles might also roll or slide between 2 mating surfaces to prevent adhesive wear.

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