Forecasting the Friction Coefficient of Rubbing Zirconia Ceramics by Titanium Alloy

Table 4

Ti alloy and zirconia ball chemical and physical properties.

Ti-6Al-4V alloy “grade 5”
Chemical composition
Al	V	C	Fe	O	N	H	Ti
6%	4%	0.03%	0.1%	0.15%	0.01%	0.003%	Balance
Density
4.57
Hardness (HRC)
32
Zirconia ball (ZrO2)
Density
6.02
Hardness (HRC)
77