Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0010-938X(99)00103-1
Title: Corrosion behaviour of porous titanium-graphite composites designed for surgical implants
Authors: Blackwood, D.J. 
Chua, A.W.C. 
Seah, K.H.W. 
Thampuran, R. 
Teoh, S.H. 
Keywords: Metal matrix composite
Passive films
Polarization
SEM
Titanium
Issue Date: 1-Mar-2000
Citation: Blackwood, D.J., Chua, A.W.C., Seah, K.H.W., Thampuran, R., Teoh, S.H. (2000-03-01). Corrosion behaviour of porous titanium-graphite composites designed for surgical implants. Corrosion Science 42 (3) : 481-503. ScholarBank@NUS Repository. https://doi.org/10.1016/S0010-938X(99)00103-1
Abstract: Porous titanium is a popular surgical implant material. Its low elastic modulus encourages regular bone growth, whilst its porosity enables bone in-growth. Unfortunately, porous titanium has poor friction and wear properties. The addition of graphite, to lower the friction coefficient and titanium carbide to increase wear resistance, could produce a multi-component material that overcomes these disadvantages. However, polarisation measurements revealed that the graphite causes an increase in the titanium's corrosion rate. Therefore, the extent that graphite can be used in porous titanium biomaterials will be a compromise between the benefits of improved friction properties against the disadvantage of increased corrosion. (C) 2000 Published by Elsevier Science Ltd. All rights reserved.
Source Title: Corrosion Science
URI: http://scholarbank.nus.edu.sg/handle/10635/58041
ISSN: 0010938X
DOI: 10.1016/S0010-938X(99)00103-1
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