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Surface characteristics. Scanning electron microscopy (SEM) of the cobalt chromium molybdenum (CoCrMo) alloy surface modifications of (A) uncoated CoCrMo, (B) polished surface (both 1000× and as an insert 5000× magnification), (C) porous coated surface (100× and 1000× magnification), (D) titanium nitride (TiN), and (E) pure titanium (cpTi) coated surfaces (1000× and 5000× magnification).
