Microscratching Characterization of the Wear-in of UHMW Polyethylene in Prostheses.

Yanyan Lui, Jacob Warner, Laura Gladkis, Jennie SCARVELL, Paul Smith, Heiko Timmers

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A new measurement technique of prosthesis wear by microscratching has been demonstrated. The technique has been applied in a study of the backside wear of a UHMW polyethylene tibial insert of a rotating platform knee prosthesis. Four disc-shaped UHMW polyethylene plugs, prepared with 5-µm deep microscratches, were carefully recessed into the backside of the tibial insert. It was demonstrated that the scratches are not affected by creep under static load.
Original languageEnglish
Pages (from-to)439-450
Number of pages12
JournalTribology Letters
Issue number2
Publication statusPublished - 2013


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