College of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;
College of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;
College of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;
College of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;
College of Material Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;
anodic oxidation; nanotubes; hydroxyapatite; electrochemical deposition;