TiNb 합금의 양극산화법에 의한 나노튜브 생성거동

• Published in: 대한금속·재료학회지, 51(11) Vol. 51; no. 11; pp. 807 - 812
• Main Authors: 정은혜, Eun Hye Jung, 정봉용, Bong Yong Jeong
• Format: Journal Article
• Language: Korean
• Published: 대한금속재료학회 20.11.2013; 대한금속·재료학회
• Subjects: anodization; electrochemistry; nanotubes; Ti oxide; TiNb; 재료공학
• ISSN: 1738-8228; 2288-8241
• DOI: 10.3365/KJMM.2013.51.11.807

Titanium and titanium alloys have been used extensively as bone-implant materials due to their high strength-to-weight ratio, good biocompatibility and excellent corrosion resistance. In this work, we investigated the surface characteristics of nanotubes formed on Ti25Nb alloys in a 0.1M NaF aqueous electrolyte containing HF using electrochemical methods. The constant voltages were widely applied to a range from 20 to 80 V. As a result, the oxide layers formed with nanotube structures in which the nanotubes increased in a linear diameter and length. The TiNb nanotube morphology was strongly influenced by the fluoride concentration, applied potential and reaction time.