Hydroxyapatite (HAP) is the main inorganic component of natural bones and teeth. It has attracted widespread interest due to its biocompatibility and bioactivity properties. HAP coatings are used to promote osteoconductive bonding of metallic implants with bone. One of the main problems of these coatings is the low adherence. An interesting solution of the improving adhesion of HAP coating to metallic substrate can be using carbon interlayer.

In the present work carbon-HAP bilayer coating was prepared. The carbon film was deposited on the 316L stainless steel by RF PACVD method. Next, the HAP film was prepared by sol-gel or PLD methods. These films were characterized using FTIR, EDS and microscratch adhesion testing.

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1. Protective properties of composite oxide coatings deposited by sol‑gel method
2. Comparative study of hydroxyapatite and hydroxyapatite mixed with bioglass coatings for metallic implants, deposited by PLD method.
3. Effect of carbon interlayer on the protective properties of hydroxyapatite coating deposited on 316L stainless steel by sol-gel method