Journal
POWDER TECHNOLOGY
Volume 302, Issue -, Pages 363-371Publisher
ELSEVIER
DOI: 10.1016/j.powtec.2016.08.072
Keywords
Impregnated graphene; PANI; Nanofluid; Tribology
Categories
Funding
- Tecnoloogico de Monterrey (ITESM) through the focus group of Energy and Climate Change
- CONACYT
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This paper shows novel formulations of nanolubricants added with multi-layer graphene (MLG), multi-layer graphene impregnated with copper (MLG-Cu), and multi-layer graphene impregnated with polyaniline (MLG-PANI) for applications in automotive engines. These nanofluids were prepared using commercial motor oil as the base fluid. The tribological properties were measured at 100 degrees C, and significant reductions were found in the coefficient of friction and wear. The concentrations used were 0.5% and 2% by weight, obtaining reductions in the friction coefficient and wear of up to 43% and 63%, respectively, in the case of motor oil with copper-impregnated graphene. All formulations of MLG, MLG-Cu, and MLG-PANI did not show any sedimentation when dispersed in engine oil, even three months after being produced. (C) 2016 Elsevier B.V. All rights reserved.
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