• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Nanotechnology >Synthesis and characterization of hybrid microanostructured NiTi surfaces by a combination of etching and anodizing
【24h】

Synthesis and characterization of hybrid microanostructured NiTi surfaces by a combination of etching and anodizing

机译：刻蚀和阳极氧化相结合的纳米/微结构混合NiTi表面的合成与表征

获取原文
获取原文并翻译 | 示例
       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The purpose of this study was to generate hybrid microano-structures on biomedical nickel-titanium alloy (NiTi). To achieve this, NiTi surfaces were firstly electrochemically etched and then anodized in fluoride-containing electrolyte. With the etching process, the NiTi surface was micro-roughened through the formation of micropits uniformly distributed over the entire surface. Following the subsequent anodizing process, self-organized nanotube structures enriched in TiO_2 could be superimposed on the etched surface under specific conditions. Furthermore, the anodizing treatment significantly reduced water contact angles and increased the surface free energy compared to the surfaces prior to anodizing. The results of this study show for the first time that it is possible to create hybrid microano-structures on biomedical NiTi alloys by combining electrochemical etching and anodizing under controlled conditions. These novel structures are expected to significantly enhance the surface biofunctionality of the material when compared to conventional implant devices with either micro- or nano-structured surfaces.
机译：这项研究的目的是在生物医学镍钛合金（NiTi）上生成混合的微/纳米结构。为此，首先对NiTi表面进行电化学蚀刻，然后在含氟化物的电解质中进行阳极氧化。通过蚀刻工艺，通过形成均匀分布在整个表面上的微坑，使NiTi表面微粗糙化。在随后的阳极氧化工艺之后，可以在特定条件下将富含TiO_2的自组织纳米管结构叠加在蚀刻表面上。此外，与阳极氧化之前的表面相比，阳极氧化处理显着减小了水接触角并增加了表面自由能。这项研究的结果首次表明，通过在受控条件下结合电化学蚀刻和阳极氧化，可以在生物医学NiTi合金上创建混合的微/纳米结构。与具有微结构或纳米结构表面的常规植入装置相比，这些新颖的结构有望显着增强材料的表面生物功能。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号