Surface Morphology and Corrosion Behavior of Hydroxyapatite-Coated Co-Cr Implant: Effect of Sintering Conditions

The surface morphology and corrosion behavior of a hydroxyapatite (HA)-coated cobalt-chromium (Co-Cr) implant after sintering posttreatment using different times and temperatures were investigated. The substrates were electrophoretically coated with calcium phosphate in solution of Ca(NO3)·4H2O and NH4H2PO4. Sintering at four different conditions was then performed on the as-deposited samples. Scanning electron microscopy, contact angle...