Effects of Alkali and Heat Treatment on Apatite Forming Ability of a Micro-Arc Oxidized Ti6Al4V Alloy

Ming Run Wang; Sen Yang; San Jun Wang

doi:10.4028/www.scientific.net/MSF.610-613.1290

Paper Titles

Surface Hydrophilicity Improvement of RGP Contact Lens Material by Oxygen Plasma Treatment
p.1268

Surface Modification of Fluorosilicone Acrylate RGP Contact Lens by Low-Temperature Ammonia Plasma
p.1273

In Situ Synthesis and Characterization of β-Tricalcium Phosphate/Na Doped 58S Bioglass Composite by Sol-Gel Technique
p.1278

The Targeting Magnetic Induction Heating of Nano-Carbon Iron Composite
p.1284

Effects of Alkali and Heat Treatment on Apatite Forming Ability of a Micro-Arc Oxidized Ti₆Al₄V Alloy
p.1290

Adhesion Strength of Sol-Gel Derived FHA Coating on Laser Gas Nitrided Pure Ti
p.1294

Construction of Tissue Engineered Skin with VEGF-Modified Human Mesenchymal Stem Cells and Acellular Dermal Matrix
p.1298

Effects of bFGF and Collagen on the Construction of Tissue Engineering Cartilage In Vitro in the 3-D Culture System
p.1302

Effect of C₂H₂ Flow Rate on the Deposition of Zr-ZrC-ZrC/DLC Gradient Nano-Composite Film on Biomedical NiTi Alloy
p.1308

HomeMaterials Science ForumMaterials Science Forum Vols. 610-613Effects of Alkali and Heat Treatment on Apatite...

Effects of Alkali and Heat Treatment on Apatite Forming Ability of a Micro-Arc Oxidized Ti₆Al₄V Alloy

Abstract:

To further improve the bioactivity of Ti6Al4V alloy and to accelerate bone growth, the porous TiO2 coating containing calcium and phosphate prepared on Ti6Al4V alloy substrate using micro-arc oxidation (MAO) technique was treated in 5M NaOH aqueous solution at 60 °C for 24 h and followed by a heat treatment at 400 °C for 1 hour (termed as MAONH). The experimental results showed that Ca2+ and P5+ easily precipitated on the MAONH coating and formed a thicker apatite film. The reason could be ascribed to hydrolysis of CaTiO3, which resulted in appearance of large numbers of Ca2+ and OH- ions within coating.