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Durability and Reliability of Medical Polymers by A Stamboulis, M Jenkins

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7

Wear processes in polymer implants

D.E.T. Shepherd and K.D. Dearn,     University of Birmingham, UK

Abstract:

Wear processes are discussed for polymers used in a wide variety of implants in the human body, such as in joint replacement implants for the hip and knee. The articulation of metal or ceramic components against a polymer component can lead to the generation of wear debris and the effect this debris may have in the body is examined.

Key words

debris

implants

polymer

wear

7.1 Introduction

Wear is defined as the loss of material from a surface as the result of relative motion. In this chapter, the wear processes in polymer implants are discussed. polymers are used in a wide variety of implants in the human body such as joint replacement ...

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