Fatigue characteristics of bioactive glass-ceramic-coated Ti-29Nb-13Ta-4.6Zr for biomedical application

doi:10.1016/j.biomaterials.2003.09.108

IMR OpenIR

	Fatigue characteristics of bioactive glass-ceramic-coated Ti-29Nb-13Ta-4.6Zr for biomedical application
	Li, SJ ; Niinomi, M ; Akahori, T ; Kasuga, T ; Yang, R ; Hao, YL
通讯作者	Niinomi, M(niinomi@sp-mac4.tutpse.tut.ac.jp)
	2004-08-01
发表期刊	BIOMATERIALS
ISSN	0142-9612
卷号	25 期号:17 页码:3369-3378
摘要	A new surface-coating method by which CaP invert glass is used to improve the bioactivity of titanium alloys has been developed recently. In this method, the powder of CaP invert glass (CaO-P2O5-TiO2-Na2O) is coated on the surface of titanium alloy samples and heated between 1073 and 1123 K. With this treatment, a calcium phosphate layer mainly containing beta-Ca-3(PO4)(2) phase can be coated easily on titanium alloy samples. In the present study, the effect of this coating process on the fatigue properties of Ti-29Nb-13Ta-4.6Zr, a new metastable beta alloy for biomedical applications, has been investigated. The fatigue endurance limit of the coated alloy was found to be about 15% higher than that of uncoated alloy, as a result of the formation of a hard (alpha + beta) layer and a small amount of the omega phase during the coating process. The coating exhibits excellent adhesion to the substrate during the tensile and fatigue tests. Subsequent ageing at 673 K for 259.2 ks greatly improves the fatigue resistance of the coated alloy due to isothermal omega phase precipitation, and does not have obvious detrimental effect on the coating properties. (C) 2003 Elsevier Ltd. All rights reserved.
关键词	titanium alloys biomaterials bioactive coating fatigue
DOI	10.1016/j.biomaterials.2003.09.108
收录类别	SCI
语种	英语
WOS研究方向	Engineering ; Materials Science
WOS类目	Engineering, Biomedical ; Materials Science, Biomaterials
WOS记录号	WOS:000220558200004
出版者	ELSEVIER SCI LTD
引用统计	被引频次：56[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/81549
专题	中国科学院金属研究所
通讯作者	Niinomi, M
作者单位	1.Toyohashi Univ Technol, Dept Prod Syst Engn, Toyohashi, Aichi 4418580, Japan 2.Nagoya Inst Technol, Dept Mat Sci, Nagoya, Aichi 4668555, Japan 3.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Li, SJ,Niinomi, M,Akahori, T,et al. Fatigue characteristics of bioactive glass-ceramic-coated Ti-29Nb-13Ta-4.6Zr for biomedical application[J]. BIOMATERIALS,2004,25(17):3369-3378.
APA	Li, SJ,Niinomi, M,Akahori, T,Kasuga, T,Yang, R,&Hao, YL.(2004).Fatigue characteristics of bioactive glass-ceramic-coated Ti-29Nb-13Ta-4.6Zr for biomedical application.BIOMATERIALS,25(17),3369-3378.
MLA	Li, SJ,et al."Fatigue characteristics of bioactive glass-ceramic-coated Ti-29Nb-13Ta-4.6Zr for biomedical application".BIOMATERIALS 25.17(2004):3369-3378.