采用多弧离子镀的方法在Ti-50.6%(原子分数)Ni形状记忆合金表面沉积了钽镀层.通过X射线光电子能谱(XPS)剖面分析发现TiNi合金表面钽镀层厚度均匀,并且在镀层与基体之间形成一薄层过渡层.将镀钽TiNi合金曝露于空气中后,通过XPS的全谱和高分辨谱图对其表面的成分和价态分析发现,镀钽层表面由于钽在空气中自然氧化形成了一层很薄的钽的氧化膜,最表面为高价钽的氧化物(Ta2O5),次表面为低价钽氧化物的混合物TaO2、TaO和TaOx(x＜1).
参考文献
| [1] | Duerig T;Pelton A;Stockel D .[J].Materials Science and Engineering,1999,A273-275:149. |
| [2] | Wu SK.;Lin HC. .Recent development of TiNi-based shape memory alloys in Taiwan[J].Materials Chemistry and Physics,2000(2):81-92. |
| [3] | Binch J G.[A].SMST,1999:154. |
| [4] | Amano Y;Ishihara M;Hayashi H et al.[J].Clinical Imaging,1999,23:85. |
| [5] | Hodgson D E;Smith S A.Proceedings of the First Conference on Shape Memory and Superelastic Technologies[C].SMST-97,1997:461. |
| [6] | Jianlu MA,Jiangnan LIU,Zhengpin WANG,Fei XUE,Kuang-Hsi WU,Zhongjie PU.Effects of Ta Addition on NiTi Shape Memory Alloys[J].材料科学技术学报(英文版),2000(05):534-536. |
| [7] | Deb S;Vazquez B .[J].Biomaterials,2001,22:2177. |
| [8] | Steegmueller R;Wagner C;Fleckenstein T et al.[J].Materials Science Forum,2002,394-395:161. |
| [9] | Chan D C N;Titus H W;Chung K H et al.[J].Dental Materials,1999,15:219. |
| [10] | 童晓明,吕承忠,沈学东.血管腔内支架的研究进展及其临床应用[J].中国危重病急救医学,2000(03):185-187. |
| [11] | Mattox D M .[J].Surface and Coatings Technology,2000,133-134:517. |
| [12] | Yao S Z;Zhu Y B;He S E.Handbook of Chemical Reactions of Elements[M].Hu Nan:Educational Publishing Corporation,1998:1047-1084. |
| [13] | Moulder J F;Stickle W F;Soblo P E.Handbook of X-ray Photoelectron Spectroscopy[M].MN:Perkin-Elmer Corporation, Eden Prairie,1992:171-172. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%