Environment-friendly Electrolyte to Optimize the Surface Properties of Nitinol Tubes

Nitinol are widely used in biomedicine, mechanical electronics, daily products, and petrochemicals because of their excellent mechanical properties, high-fatigue resistance, corrosion and wear resistance, and biocompatibility. To improve the surface integrity and biocompatibility of nitinol tubes, a...

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Bibliographic Details
Published in:International journal of electrochemical science 2021-11, Vol.16 (11), p.211152, Article 211152
Main Authors: Wang, Yongqi, Li, Zhiyong, Wei, Xiuting, Jing, Xuemin, Gong, Zhikang, Liu, Chuan
Format: Article
Language:English
Subjects:
Electrolytic polishing
Environment-friendly electrolyte
Nitinol tube
SEM
Surface properties
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Summary:Nitinol are widely used in biomedicine, mechanical electronics, daily products, and petrochemicals because of their excellent mechanical properties, high-fatigue resistance, corrosion and wear resistance, and biocompatibility. To improve the surface integrity and biocompatibility of nitinol tubes, a polishing method based on an environment-friendly electropolishing solution was studied. The influence of the electropolishing parameters on the surface quality and the degrees of influence were evaluated using orthogonal and single-factor experiments. The removal of material and wettability of the electropolishing process were also analyzed quantitatively. Results showed the good quality of the polished nitinol tube under the optimal polishing parameters. In addition, the amount of material removed was controlled, and biocompatibility was enhanced.
ISSN:1452-3981
1452-3981
DOI:10.20964/2021.11.11