Mixture of Oxides with Different Valence States in Nanotubes  被引量:1

Mixture of Oxides with Different Valence States in Nanotubes

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作  者:Xiaoli Zhao Meilin Dai Shujun Li Yulin Hao Rui Yang Lei Wang Yandong Liu 

机构地区:[1]Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials and Metallurgy, Northeastern University [2]Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences

出  处:《Journal of Materials Science & Technology》2016年第2期142-146,共5页材料科学技术(英文版)

基  金:supported in part by the National Natural Science Foundation of China (No. 51401048);the National Basic Research Program of China (No. 2012CB933902);the Specialized Research Fund for the Doctoral Program of Higher Education (No. 20130042120043);the Doctoral Scientific Research Foundation of Liaoning Province (No. 20141002);the Fundamental Research Funds for the Central Universities (No. N140204004, L1502044);the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry (No. 47-7)

摘  要:Oxide nanotubes with different diameters and lengths were fabricated on the biomedical Ti2448 alloy by anodic oxidation in neutral electrolyte. Similar to oxide nanotubes fabricated on pure titanium and its alloys, the as-grown nanotubes on Ti2448 also exhibit gradually changing chemical distribution along the direction of tube growth. Furthermore, several kinds of oxides with different valence states (MxOy) are formed simultaneously for each alloying element M, while their volume fractions vary gradually along the tube-growth direction. The findings of this study would provide insight into the effect of valence states on the desired nanotube properties and help develop ways to enhance the properties of the preferred oxide.Oxide nanotubes with different diameters and lengths were fabricated on the biomedical Ti2448 alloy by anodic oxidation in neutral electrolyte. Similar to oxide nanotubes fabricated on pure titanium and its alloys, the as-grown nanotubes on Ti2448 also exhibit gradually changing chemical distribution along the direction of tube growth. Furthermore, several kinds of oxides with different valence states (MxOy) are formed simultaneously for each alloying element M, while their volume fractions vary gradually along the tube-growth direction. The findings of this study would provide insight into the effect of valence states on the desired nanotube properties and help develop ways to enhance the properties of the preferred oxide.

关 键 词:Biomedical titanium alloy Oxide nanotube Anodic oxidation Chemical distribution 

分 类 号:TB383.1[一般工业技术—材料科学与工程] O613.71[理学—无机化学]

 

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