Abstract：
:The wear properties of oxidized and non-oxidized gamma-TiAl (a potential biomaterial) as well as Ti-6Al-4V and CP-Ti disks were studied and characterized by means of standard wear tests using a custom made bone pin arrangement. The Ti-based disks were oxidized in air at 500 and 800 degrees C for one hour. The tribological properties of the oxides formed over the disks were studied using a linear reciprocating wear testing machine under both dry and simulated biological conditions using Ringer's solution. Loss of metal oxide and coefficient of friction values were determined from wear testing. From the results, abrasion and adhesion were the primary wear mechanisms in each of the three alloy-bone pairs. Specifically, the oxide formed on gamma-TiAl possessed the highest COF and wear resistance of the three materials which were studied. Also, as expected, bone wears down faster than the Ti-based metal oxide.
journal_name
J Mech Behav Biomed Materauthors
Ramos-Saenz CR,Sundaram PA,Diffoot-Carlo Ndoi
10.1016/j.jmbbm.2010.06.006subject
Has Abstractpub_date
2010-11-01 00:00:00pages
549-58issue
8eissn
1751-6161issn
1878-0180pii
S1751-6161(10)00082-2journal_volume
3pub_type
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