Wear behavior of oxidized Ti-48Al-2Cr-2Nb (at. %), Ti-6Al-4V and Cp-Ti under dry and lubricated conditions | Zendy

Carlos R. Ramos-Saenz | Zendy; P.A. Sundaram | Zendy

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Wear behavior of oxidized Ti-48Al-2Cr-2Nb (at. %), Ti-6Al-4V and Cp-Ti under dry and lubricated conditions

Author(s) -

Carlos R. Ramos-Saenz,

P.A. Sundaram

Publication year - 2015

Publication title -

journal of biomedical engineering and informatics

Language(s) - English

Resource type - Journals

eISSN - 2377-939X

pISSN - 2377-9381

DOI - 10.5430/jbei.v2n1p39

Subject(s) - materials science , alloy , metallurgy , titanium aluminide , reciprocating motion , abrasion (mechanical) , wear resistance , vanadium , titanium , boride , titanium alloy , adhesive wear , composite material , intermetallic , bearing (navigation) , cartography , geography

Gamma titanium aluminide (gamma-TiAl) is a titanium alloy which contains no vanadium and appears to have potential for biomedical applications such as joint prostheses. The tribomechanical properties of Ti-48Al-2Cr-2Nb (at. %) (gamma-TiAl) subjected to oxidation in air at 500°C and 800°C were determined by standard wear tests using a hardened stainless steel (SS) pin in a linearly reciprocating mode under both dry and lubricated (Ringer’s solution) media. Similar properties for CP-Ti and Ti-6Al-4V were measured for comparison. The lowest mean mass loss was obtained for oxidized gamma-TiAl alloy indicating excellent wear resistance. The dominant wear mechanism on all the Ti alloy samples was abrasion. The oxidation temperature had a minimal effect on the wear of gamma-TiAl but was significant for the other two alloys.

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