Calculation of wear (f.i. wear modulus) in the plastic cup of a hip joint prosthesis

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Ligterink, D.J. (1975) Calculation of wear (f.i. wear modulus) in the plastic cup of a hip joint prosthesis. Wear, 35 (1). pp. 113-121. ISSN 0043-1648

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Abstract:The wear equation is applied to the wear process in a hip joint prosthesis and a wear modulus is defined. The sliding distance, wear modulus, wear volume, wear area, contact angle and the maximum normal stress were calculated and the theoretical calculations applied to test results.

During the wear process the increase of the wear modulus is about 100 Nmm−2 per mm sliding distance in the Charnley and the Charnley-Muller hip joint prosthesis. From the wear volume point of view the Charnley prosthesis is probably superior to the Charnley-Muller prosthesis if run-in before implantation.
Item Type:Article
Copyright:© 1975 Elsevier Sequoia
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Link to this item:http://purl.utwente.nl/publications/68035
Official URL:http://dx.doi.org/10.1016/0043-1648(75)90146-5
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