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Ion implantation of nitrogen and oxygen is a technique for improving the friction and wear characteristics of Co-Cr-Mo alloy used for articulation joints. This process produces lattice disorder, increases surface activity, promotes wettability and increases hardness without dimensional changes or the formation of oxides and nitrides (Cr(2)N) precipitates which could seriously decrease corrosion resistance.

Additional information

Authors: CIGADA A, Universita di L'Aquila, Dipartamento Chimica Ingegneria Chimica e Materiali, Monteluco di Roico (IT);FARÉ S, Politecnico di Milano, Dipartimento Chimica - Fisica Applicata (IT);BROSSA F, JRC Ispra (IT);PARACCHINI L, JRC Ispra (IT);ULIVI M, Centro Traumatologico Ortopedico, Milano (IT);BRIGNOLA J C, EUROS, Laboratoire Recherche et Developpement, La Ciotat (FR)
Bibliographic Reference: Paper presented: 5th World Biomaterials Congress, Toronto (CA), May 29 - June 2, 1996
Availability: Available from (1) as Paper EN 39718 ORA
Record Number: 199610633 / Last updated on: 1996-05-27
Original language: en
Available languages: en
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