PEEK或β-TCP充填的生物医用Ti6Al4V激光选区熔化结构的腐蚀行为（英文）

论文摘要

用激光选区熔化（SLM）制备Ti6Al4V多孔结构,通过粉末冶金法充填β-TCP或PEEK,以期提高材料的骨传导性和耐磨性能。考虑到这些结构对种植体长期性能的重要性,对其腐蚀行为进行探讨。结果表明,与致密结构相比,开放孔洞的引入导致更高的电化学动力学。β-TCP和PEEK充填导致空洞或金属基体与充填材料之间产生间隙,影响多孔结构的腐蚀行为。

论文目录

• 1 Introduction
• 2 Experimental
•   2.1 Starting materials
•   2.2 Processing
•   2.3 Microstructural analysis
•   2.4 Corrosion tests
• 3 Results and discussion
•   3.1 Microstructural characterization
•   3.2 Corrosion behavior
• 4 Conclusions

文章来源

类型: 期刊论文

作者: M.M.COSTA,T.A.DANTAS,F.BARTOLOMEU,N.ALVES,F.S.SILVA,G.MIRANDA,F.TOPTAN

关键词: 多孔结构,腐蚀,多材料设计

来源: Transactions of Nonferrous Metals Society of China 2019年12期

年度: 2019

分类: 工程科技Ⅰ辑,医药卫生科技

专业: 金属学及金属工艺,生物医学工程

单位: Center for Micro Electro Mechanical Systems(CMEMS),University of Minho (UMinho),MIT Portugal Program,School of Engineering,University of Minho,IBTN/Br-Brazilian Branch of the Institute of Biomaterials,Tribocorrosion and Nanomedicine,UNESP,Campus de Bauru

基金: supported by FCT through the grants PD,BD,140202,2018,SFRH,BD,140191,2018 and SFRH,BD,128657,2017,the projects PTDC,EMS-TEC,5422,2014 and NORTE-01-0145-FEDER-000018-HAMa BICo,supported by FCT with the reference project UID,EEA,04436,2019,the financial support through the M-ERA-NET,0001,2015 project(FCT)

分类号: TG146.23;TG665;R318.08

页码: 2523-2533

总页数: 11

文件大小: 2720K

下载量: 32