期刊
SURFACE & COATINGS TECHNOLOGY
卷 232, 期 -, 页码 515-520出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2013.06.012
关键词
Titanium; Cu-Ni alloyed layer; Antibacterial; Wear resistance
资金
- National Natural Science Foundation of China [51171125]
- Shanxi Province Foundation for Returned Overseas Scholars [2011-038]
- Shanxi Province Science and Technology Key Project of China [20110321051]
A Cu-Ni alloyed layer on titanium was obtained by using a plasma surface alloying technique to improve antibacterial activity and wear resistance. The microstructure and phase constituents of Cu-Ni alloyed layer were characterized by using scanning electron microscopy (SEM) and X-ray diffraction (XRD). The antibacterial properties and wear resistance of treated titanium were investigated. The results show that the Cu-Ni alloyed titanium exhibits high antimicrobial activity to Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) due to the formation of Cu-containing phase. Moreover, the Cu-Ni alloyed layer can greatly improve the hardness and wear resistance of pure titanium. It is expected that the Cu-Ni alloyed titanium combining excellent bactericidal ability with wear resistance might provide a durable antibacterial function for biomedical application. (C) 2013 Elsevier B.V. All rights reserved.
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