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	Enhanced corrosion resistance of Zr coating on biomedical TiNi alloy prepared by plasma immersion ion implantation and deposition
	Zheng, Y. F. ; Liu, D. ; Liu, X. L. ; Li, L.
	2008
关键词	Zr PIIID NiTi Corrosion resistance Hank&apos NITI ALLOY HEMOCOMPATIBILITY FILMS s solution
英文摘要	Zirconium film was prepared on TiNi alloy by plasma immersion ion implantation and deposition (PIIID) technique to enhance its corrosion resistance and prolong its working lifetime. The atomic force microscopy (AFM) results show that the film was relatively smooth with the rootmean square roughness being 9.166 nm. The X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) results indicate that the implant element of Zr was oxidation partialness. The potentiodynamic polarization measurements in the Hank's solution at 37 degrees C show that the corrosion resistance of the alloy was improved by the Zr coating film and the atomic absorption spectrometry (AAS) tests also indicate that Ni ion concentration released from the substrate in the Hank's solution after the polarization test was reduced greatly, in comparison to the unmodified TiNi alloy sample. (C) 2008 Elsevier B.V. All rights reserved.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000260510600072&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Chemistry, Physical; Materials Science, Coatings & Films; Physics, Applied; Physics, Condensed Matter; SCI(E); EI; CPCI-S(ISTP); 14
语种	英语
DOI标识	10.1016/j.apsusc.2008.06.116
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/154983]
专题	工学院
推荐引用方式 GB/T 7714	Zheng, Y. F.,Liu, D.,Liu, X. L.,et al. Enhanced corrosion resistance of Zr coating on biomedical TiNi alloy prepared by plasma immersion ion implantation and deposition. 2008-01-01.

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