The Effect of the Wall Thickness on Wear of an UHMWPE Acetabular Liner

Jamari, J. and Hidayat, Arief and SAPUTRA, Eko and Anwar, Iwan Budiwan and Ismail, R and van der Heide, Emile (2015) The Effect of the Wall Thickness on Wear of an UHMWPE Acetabular Liner. Advanced Materials Research, 1123 . pp. 196-200. ISSN 1662-8985

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A larger diameter of femoral head of artificial hip joint (AHJ) is commonly recommended for increasing range of motion (RoM) and for avoiding dislocation. Unfortunately, increasing that diameter will reduce the material liner thickness of the acetabular component. The behaviour of the AHJ contact system with thickness variation of the Ultra High Molecular Weight Polyethylene (UHMWPE) acetabular liner was studied numerically and experimentally. Finite element analysis was employed for calculating contact stresses and the wear volume was measured experimentally. Numerical results show higher contact stresses with decreasing liner wall thickness. Yet, the experimental results suggest that wear decreases as well with decreasing wall thickness. These findings are important in designing an optimised acetabular liner for larger RoM

Item Type:Article
Uncontrolled Keywords:artificial hip joint, acetabular liner, thickness, wear, contact stress
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Faculty of Engineering > Department of Mechanical Engineering
Faculty of Engineering > Department of Mechanical Engineering
ID Code:71575
Deposited By:Mr. Sugeng Priyanto
Deposited On:15 Apr 2019 09:38
Last Modified:26 Aug 2019 10:11

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