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International Scholarly Research Notices
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International Scholarly Research Notices
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2013
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Article
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Tab 4
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Research Article
Graphene Oxide Nanosheets as Effective Friction Modifier for Oil Lubricant: Materials, Methods, and Tribological Results
Table 4
Wear scar diameter (WSD) after a 1-hour boundary and a mixed regime test at 80°C.
Average hertzian contact pressure 1.68 GPa, oil temperature 80°C
Sample
Ball wear scar diameter (
m) at 5.0 mm/s sliding speed
Ball wear scar diameter (
m) at 0.50 m/s sliding speed
Difference
Boundary regime
Mixed regime
SN150—base oil
Benchmark
SN150 with 0.1 wt% GO
Pictures not to scale
−13% −27%