POST PHASE I RESULTS
Click on Image
Comparison chart of CxA vs. Al203 ceramic-on ceramic
THR components with varying diametral clearance.
(Al203, 48-61 microns; CxA #2, 82 microns; CxA #3, 214 microns.)
Work partially supported by NIH SBIR Grant # IR43AR44140A1.
Click on Image
Comparison chart of mismatch effect on wear
(weight loss) at 1.5 Mc of CxA vs. Metal THR sets.
21 Mc Steady State Wear Rate (mm3/Mc)
THR CxA M-M(1)* M-M(2)**
S/S Heads .005 .085 .419
S/S Liner/Cups .013 .035 .086
Total S/S .018 .120 .505
THR Wear Ratio : M-M(1)
= 6.7
CxA-CxA
M-M(2) = 28.1
CxA-CxA
* 10.0 Mc Sulzer- 1 (Metasul)
** 4.3 Mc Sulzer- 2 (Metasul)
Ref. "High, Biphasic Wear-resistance for Metal-Metal and
Ceramic-Ceramic THR in Simulator Studies"
I.C Clarke, et al, J-ORS NARA Oct. 99