Surface characterization and debris analysis of ceramic pairings after ten million cycles on a hip joint simulator-Reference-Cited by-同舟云学术

Surface characterization and debris analysis of ceramic pairings after ten million cycles on a hip joint simulator

Published:2002-06-01 Issue:6 Volume:216 Page:419-424
ISSN:0954-4119
Container-title:Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine
language:en
Short-container-title:Proc Inst Mech Eng H

Author:

Affatato S¹,Ferrari G¹,Chevalier J²,Ruggeri O³,Toni A¹

Affiliation:

1. Istituto Ortopedico Rizzoli Laboratorio di Tecnologia Medica Bologna, Italy

2. Laboratoire GEMPPM Institut National des Sciences Appliquées Villeurbanne, France

3. Facoltàdi Chimica Industriale Istituto di Metallurgia Bologna, Italy

Abstract

This study was aimed at characterizing the ceramic wear particles produced during tests on a hip joint wear simulator of up to 10 million cycles. Alumina and alumina-zirconia composites were studied as commercial or potential hip joint products respectively. No ceramic particles could be observed, even after a careful isolation procedure. This confirms the low wear rate found for these materials in previous works (of the order of tenths of milligrams per million cycles). Surface characterization was conducted by means of scanning electron microscopy. It confirms the low wear regime of ceramic pairings and allows ceramic wear debris morphology to be defined. The effect of microstructure on surface wear is discussed.

Publisher

SAGE Publications

Subject

Mechanical Engineering,General Medicine

Link

http://journals.sagepub.com/doi/pdf/10.1243/095441102321032210

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