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Normal micro-movements at the bone-implant interface originate fretting-corrosion processes, thus releasing wear debris from the bone and metallic devices and compromising the fixability of the implant. Titanium aluminum nitride (Ti1−xAlxN) coatings have been considered to overcome these drawbacks and the effect of aluminum content on the fretting-corrosion resistance against bone in a simulated body...
Novel bioactive calcium titanate–tricalcium phosphate–tetracalcium phosphate composite coatings were developed. Powder mixtures of hydroxyapatite and 25, 50 and 75vol% of calcium titanate were uniaxially pressed and sintered at 1100–1200°C for 4h. After heat treatment, the composites, which consisted of calcium titanate and oxyhydroxyapatite (Ca10(PO4)6(OH)2−2xOx□x), were evaporated by magnetron sputtering...
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