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Uni and multidirectional wear resistance of different crosslinking degrees in UHMWPE for artificial joints

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Figure

Figure 1. Motion/loading con-figuration of the POD wear test machines. (a) Unidirectional
Figure 2. Average wear of the UHMWPE pins in the unidirec-tional POD wear tests.
Figure 3. (a) Image of the unirradiated UHMWPE pin after the unidirectional wear test
Figure 4. Average wear of the UHMWPE pins in the multidi-rectional POD wear tests.
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