Improvement of anti-oxidation capability and tribological property of arc ion plated Ag film by alloying with Cu

被引:26
作者
Gao, Xiaoming [1 ,2 ]
Sun, Jiayi [1 ]
Hu, Ming [1 ]
Weng, Lijun [1 ]
Zhou, Feng [1 ]
Liu, Weimin [1 ]
机构
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
关键词
Atomic oxygen; Ag-Cu alloy film; Microstructure; RAY PHOTOELECTRON-SPECTROSCOPY; ATOMIC OXYGEN; SURFACE CHARACTERIZATION; MORPHOLOGICAL-CHANGES; SILVER FILMS; OXIDATION; NANOCOMPOSITE; SPACE; COATINGS;
D O I
10.1016/j.apsusc.2011.03.154
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Ag-Cu alloy film was deposited by arc ion plating (AIP). Atomic oxygen (AO) irradiation experiments were conducted using a ground AO simulation facility. The structure, morphology, composition and tribological property of the Ag-Cu alloy film before and after AO irradiation were investigated and compared with Ag film using X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), X-ray photoelectron spectroscope (XPS) and ball-on-disk tribometer, respectively. In depth XPS analysis clearly shows that the affected thickness of Ag-Cu alloy film was greatly reduced and the oxidation product was mainly Ag2O, but AgO and Ag2O in case of pure Ag film. As a result, the Ag-Cu alloy film exhibited better AO resistant behaviors, and showed a stable friction and low wear after the AO irradiation. The AO resistant behaviors of the Ag-Cu alloy film were discussed in terms of the film microstructure. (C) 2011 Elsevier B. V. All rights reserved.
引用
收藏
页码:7643 / 7648
页数:6
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