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Micro-abrasion–corrosion of a Co–Cr/UHMWPE couple in Ringer's solution : an approach to construction of mechanism and synergism maps for application to bio-implants

Stack, M.M. and Rodling, J. and Mathew, M.T. and Jawan, H. and Huang, W. and Park, G. and Hodge, C. (2010) Micro-abrasion–corrosion of a Co–Cr/UHMWPE couple in Ringer's solution : an approach to construction of mechanism and synergism maps for application to bio-implants. WEAR, 269 (5-6). pp. 376-382. ISSN 0043-1648

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    Abstract

    In studies of tribo-corrosion, the degradation of bio-materials has become of increasing research interest in recent years. This is because, in many cases, the interactions of the tribological and corrosion component in biological environments are not well understood. Moreover, the wide range of variables involved in the tribo-corrosion process, and the variety of materials used in such conditions, means that there are few systematic studies where materials and operating conditions are optimized. In the total replacement of hip joints, the Co-Cr/UHMWPE couple has been used widely. However, the application of any replacement joint for biological conditions will depend on many factors including the activity of the patient and the overall load imposed on the artificial joint. This means evaluation of the tribo-corrosion behaviour over a multi parameter space is important in order to assess the degradation possible for many patient/activity and body mass categories.In this work, the performance of a Co-Cr/UHMWPE couple was evaluated in Ringer's solution in a tribological situation where micron size particles particles were entrained in the contact - micro-abrasion-corrosion. The effects of applied load and potential were investigated in the study. Micro-abrasion-corrosion maps were constructed for the material indicating the mechanism of degradation, the extent of wastage and of synergy/antagonism involved in the tribo-corrosion interaction.

    Item type: Article
    ID code: 18544
    Notes: Impact Factor: 1.771, Half-Life: 9.5
    Keywords: micro-abrasion, corrosion, ringer's solution, synergism maps, bio-implants, Mechanical engineering and machinery, Bioengineering, Materials Chemistry, Surfaces, Coatings and Films, Mechanics of Materials, Surfaces and Interfaces, Condensed Matter Physics
    Subjects: Technology > Mechanical engineering and machinery
    Technology > Engineering (General). Civil engineering (General) > Bioengineering
    Department: Faculty of Engineering > Mechanical and Aerospace Engineering
    Related URLs:
      Depositing user: Mr Alan Slevin
      Date Deposited: 01 Apr 2010 18:24
      Last modified: 24 May 2014 04:24
      URI: http://strathprints.strath.ac.uk/id/eprint/18544

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