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In this work, a thin layer of TiO2 is produced on the NiTi surface using oxygen plasma immersion ion implantation (O-PIII), followed by anodization in electrolytes to induce the formation of a nanotubular layer. Finally, calcium PIII is conducted to fill the TiO2 nanotubes with calcium. Inductively-coupled plasma mass spectrometry (ICPMS) results reveal that nickel leaching can be effectively suppressed...
Porous biomedical NiTi with an average porosity of 56% and a general pore size of 50–800 μm was synthesized by capsule-free hot isostatic pressing (CF-HIP) with NH 4 HCO 3 as a space holder. In order to enhance the surface bioactivity, the porous alloy was subjected to H 2 O 2 to form a TiO 2 coating followed by a NaOH treatment. Scanning electron microscopy...
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