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	Corrosion behaviour of Ti-Nb-Sn shape memory alloys in different simulated body solutions
	Zheng, Y. F. ; Wang, B. L. ; Wang, J. G. ; Li, C. ; Zhao, L. C.
	2006
关键词	Ti-Nb-Sn alloys corrosion behaviour simulated body solutions XPS
DOI	10.1016/j.msea.2006.01.131
英文摘要	The corrosion resistance of Ti-Nb-Sn alloys in the 0.9% NaCl physiological and Hank's solutions with different pH values (2.4, 5.4, 7.4) at 37 degrees C were investigated by means of open circuit potential (OCP), Tafel and anodic polarization techniques. The compositions of the passive films were analysed by X-ray photoelectron spectroscopy (XPS). The OCP was found to stabilize within several hours for Ti-Nb-Sn alloys in the Hank's solution but continued to increase in the 0.9% NaCl solution. Tafel results indicated that the corrosion current densities were in the magnitude of below 1 mu A/cm(2). Anodic polarization curves demonstrated a wide passive region. XPS analysis results revealed that the passive film mainly consisted of TiO2, Nb2O5 and SnO2. These observations suggest that Ti-Nb-Sn alloys have a large potential for biomedical applications. (c) 2006 Elsevier B.V. All rights reserved.; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering; SCI(E); EI; CPCI-S(ISTP); 0
语种	英语
内容类型	会议论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/251159]
专题	工学院
推荐引用方式 GB/T 7714	Zheng, Y. F.,Wang, B. L.,Wang, J. G.,et al. Corrosion behaviour of Ti-Nb-Sn shape memory alloys in different simulated body solutions[C]. 见:.

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