Hydroxyapatite coating on the Ti–35Nb–xZr alloy by electron beam-physical vapor deposition
作者： Yong-Hoon Jeong , Han-Cheol Choe , Sang-Won Eun
DOI: 10.1016/J.TSF.2011.04.086
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摘要: Abstract The aim of this study was to investigate the hydroxyapatite coating on Ti–35Nb–xZr alloy by electron beam-physical vapor deposition. ternary alloys contained from 3 wt.% 10 wt.% Zr content were manufactured arc melting furnace. Hydroxyapatite (HA) coatings prepared electron-beam physical deposition (EB-PVD) method, and crystallization treatment performed in Ar atmosphere at 300 500 °C for 1 h. coated surface morphology examined FE-SEM, EDX XRD, respectively. In order evaluate corrosion behavior, tests potentiodynamic, cyclic polarization AC impedance test. All electrochemical data obtained using a potentiostat. exhibited equiaxed structure with β phase, peak phase increased contents. hardness elastic modulus decreased as increased. HA layer approximately 150 nm Ca/P ratio after heat around 1.67. thin film consisted small droplets spherical shape crystallization. From anodic curves, treated Ti–35Nb–10Zr showed higher potential than other samples. can be shown high resistance
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