Forecasting the Friction Coefficient of Rubbing Zirconia Ceramics by Titanium Alloy

Table 6

The composition of the nanofluids.

Sample	Distilled water	Palm oil (wt.%)	Graphene nanoplatelets (GNPs)
LB2000	—	—	—
PG-0.0	—	100	0 wt.%
PG-0.03	—	99.97	0.03 wt.%
PG-0.1	—	99.90	0.10 wt.%
PG-0.2	—	99.80	0.20 wt.%
PG-0.3	—	99.70	0.30 wt.%
PG-0.4	—	99.60	0.40 wt.%
W15	50 ml	—	7.5 mg concentration (0.15 mg/ml)