A novel route for processing cobalt-chromium-molybdenum orthopaedic alloys

Patel, Bhairav, Inam, Fawad, Reece, Michael, Edirisinghe, Mohan, Bonfield, William, Huang, Jie and Angadji, Arash (2010) A novel route for processing cobalt-chromium-molybdenum orthopaedic alloys. Journal of The Royal Society Interface, 7 (52). pp. 1641-1645. ISSN 1742-5689

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Official URL: http://dx.doi.org/10.1098/rsif.2010.0036

Abstract

Spark plasma sintering has been used for the first time to prepare the ASTM F75 cobalt–chromium–molybdenum (Co–Cr–Mo) orthopaedic alloy composition using nanopowders. In the preliminary work presented in this report, the effect of processing variables on the structural features of the alloy (phases present, grain size and microstructure) has been investigated. Specimens of greater than 99.5 per cent theoretical density were obtained. Carbide phases were not detected in the microstructure but oxides were present. However, harder materials with finer grains were produced, compared with the commonly used cast/wrought processing methods, probably because of the presence of oxides in the microstructure.

Item Type: Article
Uncontrolled Keywords: processing, biomedical, metallic, orthopaedics
Subjects: F200 Materials Science
H300 Mechanical Engineering
J200 Metallurgy
J700 Industrial Biotechnology
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Fawad Inam
Date Deposited: 24 May 2013 15:01
Last Modified: 10 Aug 2015 11:21
URI: http://nrl.northumbria.ac.uk/id/eprint/12664

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