Porous Titanium-Hydroxyapatite Composite Coating Obtained on Titanium by Cold Gas Spray with High Bond Strength for Biomedical Applications.

•A titanium-hydroxyapatite coating was produced on titanium by Cold Gas Spray.•Higher adhesion and bond strengths values were obtained compared to other methods.•Cold Gas Spray does not produce any change in hydroxyapatite and titanium phases.•Osteoblasts adhere, proliferate and differentiate on the Ti-HA coated surfaces.