Measuring devices
Measuring friction
Constructing test apparatus
Pin-on-ring
Commercial test apparatus

Measuring procedures
Running in
Test duration
Monitoring
Reporting
Analysis / Reproducibility

Contact temperatures
Pin-on-disk
Ball-on-disk
Four Ball EP/AW Tester
LPV Tester

Specific wear rate
Pin-on-disk
Ball-on-disk
Pin-on-ring