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Effects of anodic oxidation in H2SO4 electrolyte on the biocompatibility of NiTi shape memory alloy
- Source :
-
Materials Letters . Jul2008, Vol. 62 Issue 20, p3512-3514. 3p. - Publication Year :
- 2008
-
Abstract
- Abstract: Effects of anodic oxidation in H2SO4 electrolyte on the biocompatibility of NiTi shape memory alloy (SMA) were investigated by characterizing surface structure, blood compatibility, wettability, release of harmful Ni ions of anodized NiTi SMA. Although titania film resulting from anodic oxidation in H2SO4 electrolyte has a porous structure, it can effectively block out-diffusion of Ni from NiTi SMA to simulated body fluid (SBF). Comparing with chemical polishing, anodic oxidation in H2SO4 electrolyte can also improve the wettability, blood compatibility, thromboresistance of NiTi SMA. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 0167577X
- Volume :
- 62
- Issue :
- 20
- Database :
- Academic Search Index
- Journal :
- Materials Letters
- Publication Type :
- Academic Journal
- Accession number :
- 32492988
- Full Text :
- https://doi.org/10.1016/j.matlet.2008.03.030