摘要
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、等离子喷涂法以及3D打印技术。表面仿生结构钛合金植入材料具有与骨组织类似的拓扑结构,能够促进细胞的增殖和分化;梯度仿生结构钛合金植入材料孔隙率从内向外呈梯度变化,具有仿生孔隙分布。
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.
作者
娄冰洁
许莹
夏朋昭
蔡艳青
Lou Bingjie;Xu Ying;Xia Pengzhao;Cai Yanqing(North China University of Science and Technology,Tangshan 063210,China)
出处
《钛工业进展》
CAS
2022年第1期36-42,共7页
Titanium Industry Progress
基金
国家自然科学基金资助项目(51874140)
河北省自然科学基金资助项目(C2018209207)
大学生创新创业训练计划项目(R2020014)。
关键词
钛合金
表面仿生
梯度仿生
制备方法
titanium alloy
surface bionics
gradient bionics
preparation method
