Journal
APPLIED SURFACE SCIENCE
Volume 517, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2020.146118
Keywords
Nickel-titanium alloys; Anodization; Nanotubes; Nanopores; Corrosion behavior; Biological properties
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Funding
- Fund for Shanxi 1331 Project Key Innovative Research Team [PY201809]
- Program for the Innovative Talents of Higher Education Institutions of Shanxi (PTIT), Natural Science Foundation of Shanxi Province [201801D121093, 201801D121094]
- National Natural Science Foundation of China [31700834]
- Hong Kong Research Grant Council (RGC) General Research Funds (GRF) [CityU 11205617]
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Nearly equiatomic nickel-titanium (NiTi) alloys are used in many biomedical applications due to their favorable properties, but in some cases, the surface properties such as corrosion resistance and biological characteristics may be inadequate, especially for clinical applications. Electrochemical self-assembly is an emerging surface modification method for valve metals and their alloys and the ordered oxide nanostructures produced by this method not only increase the corrosion resistance, but also regulate the cell behavior. Herein, recent advances pertaining to self-assembled anodization of NiTi alloys and biomedical applications are described. In particular, the influence of the preparation parameters on the morphology, microstructure, composition, corrosion behavior, Ni ion release, and biological response of self-assembled Ni-Ti-O nanotubes and nanopores are comprehensively analyzed and discussed.
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