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Table 1 Volumetric wear rate of different material pairings

From: A rolling-gliding wear simulator for the investigation of tribological material pairings for application in total knee arthroplasty

Tribological Pairing Number Volumetric Wear Rate
[mm3/1 Mio Cycles]
Counter-Body-Base-Plate -- Cylindrical
Counter-Body
Base-Plate
CoCr-UHMWPE TP1 -- 2.5398
ceramic-UHMWPE TP2 -- 0.4060
ceramic-ceramic TP3/4 0.1951 0.1922
ceramic-ceramic
ground (Ra 825 nm)
TP5 0.0788 0.0763
ceramic-ceramic
polished (Ra 382 nm)
TP6 0.0029 0.0559
ceramic-ceramic
polished (Ra 52 nm)
TP7 0.1271 0.1602
ceramic-ceramic
curved geometry
TP8 0.0557 0.0664
  1. Total volumetric wear rate after 3 million cycles for different tribological pairings tested in the rolling-gliding wear simulator. No data is listed when the weight loss was too small to measure with our scale.