Table 5: Mean coefficient of friction of Ti-6Al-4V and Ti-6Al-7Nb alloy versus sliding distance under different conditions of loads and sliding speeds.

LoadsSliding
1 mm·s−115 mm·s−125 mm·s−1
Ti6Al4VTi6Al7NbTi6Al4VTi6Al7NbTi6Al4VTi6Al7Nb

3 N0,3560,3390,5970,40,4890,419
6 N0,2970,360,4730,4130,5650,418
10 N0,3740,3570,4520,3980,4760,407