期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 804, 期 -, 页码 139-146出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2019.07.001
关键词
Electrochemical deposition; Porous alumina; Nanocomposite material; Nanopillars; Corrosion properties; Polarization resistance
资金
- State Scientific and Technical Program Nanotechnologies and Nanomaterials of the Ministry of Education of the Republic of Belarus
- Belarusian Republican Foundation for Fundamental Research [18.-007]
- Ministry of Education and Science of the Russian Federation [3-2018-026]
Ni nanopillars (Ni NPs) composite material formation technology embedded in porous anodic alumina by electrochemical deposition is presented in this paper. The morphological and structural properties of the composite material were investigated using scanning electron microscopy, atomic force microscopy, X-ray diffraction. The corrosion resistance of the nanocomposite materials has been studied by potentiodynamic polarization curves analysis and polarization resistance method. The composite represents the array of vertically ordered Ni NPs with the identical size in alumina matrix. XRD investigation indicates that Ni NPs are polynanocrystalline material with 18 nm crystallite size. It has been shown that Ni NPs and the composite material have sufficient corrosion resistance in a 0.9% aqueous NaCl solution. Porous alumina is the neutral and protective component of the composite. These nanocomposite materials can be excellent candidates for practical use in electronics, sensorics, biomedicine. (C) 2019 Elsevier B.V. All rights reserved.
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