Investigation Of Fracture Toughness Of Calcium Phosphate Coating Treated Onto Ti6A14V Substrate
In this study, we aimed to investigate the fracture toughness of the calcium phosphate (CaP) coating, that was formed with Vickers indentation method, by the new method with the new patent. The activation process was done with NaOH + H2O2 on the Ti6Al4V material surface. Elasticity module, hardness values and coating thickness of the CaP coating that is formed by activation process was calculated. SEM micrographs and EDS analysis were gathered of the coating. Fracture toughness was determined by Vickers indentation. At the end of this study, fracture toughness (K1C) value for the CaP coating on Ti6A14V that was activated by NaOH+ H2O2 was found to be 0.43 MPa m1/2. Keywords: Calcium phosphate, coating, vickers indentation, fracture toughness Ti6Al4V.
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