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首页> 外文期刊>International Journal of Electrochemical Science >Improved Surface Properties for Nanotube Growth on Selective Laser Melted Porous Ti6Al4V Alloy via Chemical Etching
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Improved Surface Properties for Nanotube Growth on Selective Laser Melted Porous Ti6Al4V Alloy via Chemical Etching

机译：通过化学刻蚀在选择性激光熔融多孔Ti6Al4V合金上改进纳米管生长的表面性能

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摘要

In this work, porous Ti6Al4V components with a 400 μm interval were prepared by selective lasermelting (SLM), one of most popular powder-bed additive manufacturing technologies for metallicalloys, there were many un-melted powders adhered to the as-received substrate framework. To improvethe bio-functional property, surface treatment for this complex structure must be taken into considerationand chemical etching for proper time can remove the trapped powders. Anodic oxidation experimentsshowed that non-uniform nanotubes grew on the trapped powders, while nanotubes grew uniformly onthe chemical etched substrate and the diameter of nanotubes was about 100 nm all over the place. Theelectrochemical experiments and cell proliferation results all showed that the chemical etching methodcan improve the corrosion resistance and biocompatibility of the SLM porous Ti6Al4V.
机译：在这项工作中，通过选择性激光熔化（SLM）制备了间隔为400μm的多孔Ti6Al4V组件，这是最流行的金属合金粉末床增材制造技术之一，有许多未熔化的粉末附着在所接收的基材框架上。为了改善生物功能特性，必须考虑对这种复杂结构进行表面处理，并且在适当的时间进行化学蚀刻可以去除残留的粉末。阳极氧化实验表明，纳米碳管在捕获的粉末上生长不均匀，而纳米管在化学刻蚀的衬底上均匀生长，纳米管的直径在整个位置约为100 nm。电化学实验和细胞增殖结果均表明，化学刻蚀方法可以改善SLM多孔Ti6Al4V的耐蚀性和生物相容性。

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