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

Figure 4

(a) Degrees of gravimetric wear and (b) gravimetric wear rates of untreated PE, untreated CLPE, and PMPC-grafted CLPE, determined using disks 3 and 6 mm in thickness. The bar indicates the standard deviation. indicates as per Tukey-Kramer’s test and indicates and indicates as per Student’s -test.

(a)

(b)