仿生结构钛合金植入材料的研究和应用

仿生结构钛合金植入材料拥有良好的力学性能和生物相容性,且弹性模量与人体骨骼较为相近,具有广阔的应用前景.为此,介绍了表面仿生结构和梯度仿生结构两大类仿生结构钛合金植入材料的研究现状,其中,表面仿生结构钛合金植入材料的制备方法主要有电化学沉积法、激光熔覆法以及复合改性技术等;梯度仿生结构钛合金的制备方法主要有粉末冶金法、...

Research and Application of Bionic Structure Titanium Alloy Implant Materials

The biomimetic structure titanium alloy implant has broad application prospects because of its similar elastic modulus to autologous bone,excellent mechanical properties and biocompatibility.The research status of surface bionic structure titanium alloy and gradient bionic structure titanium alloy are introduced.The preparation methods for surface bionic structure titanium alloy mainly include electrochemical deposition,laser cladding and composite modification technologies;the preparation methods for gradient bionic structure titanium alloy include powder metallurgy,plasma spraying and 3 D printing technology.The surface bionic structure titanium alloy implant material has a topological structure similar to that of bone tissue,which can promote the proliferation and differentiation of cells.Gradient bionic structured titanium implant material with a gradient in porosity from the interior to the exterior surface,with a bionic pore distribution.