FIGURE 9.
XRD results for (a) bare Si3N4, polished Si3N4 + HA and as-fired Si3N4 + HA; (b) bare Ti6Al4V alloy, Ti6Al4V 600 grit + HA and Ti6Al4V 2000 grit + HA; (c) bare PEEK, PEEK 600 grit + HA and PEEK 2000 grit + HA
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