Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 3, Issue 11, Pages 4221-4227Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am200851z
Keywords
graphene; solar exfoliation; frictional coefficient; antiwear; tribology
Funding
- Department of Science and Technology
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Ultrathin graphene (UG) has been prepared by exfoliation of graphite oxide by a novel technique based on focused solar radiation. Graphene based engine oil nanofluids have been prepared and their frictional characteristics (PC), antiwear (AW), and extreme pressure (EP) properties have been evaluated. The improvement in PC, AW, and EP properties of nanofluids is respectively by 80, 33, and 40% compared with base oil. The enhancement can be attributed to the nanobearing mechanism of graphene in engine oil and ultimate mechanical strength of graphene.
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