The gradient structure of the NiTi surface layers subjected to tantalum ion beam alloying

被引：0
|
作者：
Girsova, S. L. [1 ]
Poletika, T. M. [1 ]
Meisner, L. L. [1 ,2 ]
Schmidt, E. Yu [2 ]
机构：
[1] RAS, Inst Strength Phys & Mat Sci SB, 2-4 Akad Ave, Tomsk 634055, Russia
[2] Natl Res Tomsk State Univ, 36 Lenin Ave, Tomsk 634050, Russia
来源：
5TH INTERNATIONAL CONGRESS ON ENERGY FLUXES AND RADIATION EFFECTS 2016 | 2017年 / 830卷
基金：
俄罗斯科学基金会;
关键词：
TITANIUM NICKELIDE;
D O I：
10.1088/1742-6596/830/1/012096
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The NiTi shape memory alloy has been modified by ion implantation with Ta to improve the surface and biological properties. The elemental and phase composition and structure of the surface and near-surface layers of NiTi specimens after the Ta ion implantation with the fluency D = 3 x 10(17) cm(-2) and D = 6 x 10(17) cm(-2) are examined. The methods of Auger electron spectroscopy (AES), transmission electron microscopy (TEM), and electron dispersion analysis (EDS) are used. It is found that a nonuniform distribution of elements along the depth of the surface layer after the ion implantation of NiTi specimens, regardless of the regime, is accompanied by the formation of a number of sublayer structures.
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页数：5
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