Effects of Surface Modification and Bulk Geometry on the Biotribological Behavior of Cross-Linked Polyethylene: Wear Testing and Finite Element Analysis

Table 1

Maximum von Mises stresses in the bearing and backside surfaces of the untreated PE, untreated CLPE, and PMPC-grafted CLPE disks.

Thickness (mm)	Maximum von Mises stress (MPa)
	Bearing surface			Backside surface
	Untreated; PE	Untreated; CLPE	PMPC-grafted; CLPE	Untreated; PE	Untreated; CLPE	PMPC-grafted; CLPE
3	23.2	23.4	23.9	29.0	28.5	29.0
6	22.7	22.6	23.3	7.3	7.3	7.3