Chromium-modified a-C films with advanced structural, mechanical and corrosive-resistant characteristics

Chromium-modified a-C films with advanced structural, mechanical and corrosive-resistant characteristics
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具有先进结构、机械和耐腐蚀特性的铬改性 a-C 薄膜

DOI:
10.1016/j.apsusc.2016.04.112
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发表时间:
2016-08
影响因子:
6.7
通讯作者:
Balmakou A.
Balmakou A.
中科院分区:
材料科学1区
文献类型:
--
作者:
Ming Miao Yi;Jiang Xiaohong;Piliptsou D. G.;Zhuang Yuzhao;Rogachev A. V.;Rudenkov A. S.;Balmakou A.

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为了改善类金刚石碳薄膜的结构、机械和化学性能,我们开发了采用阴极磁过滤电弧沉积法制备的非晶碳铬改性复合薄膜。通过拉曼光谱、X射线光电子能谱和原子力显微镜对其性能进行分析,以进行结构表征、元素分析和拓扑检查。此外,我们还通过X射线双晶表面轮廓测量、摩擦测试、纳米压头测试以及接触角测量和动电位极化分析来评估残余应力、摩擦系数、硬度、弹性模量和腐蚀参数。通过比较分析,我们发现与非晶碳薄膜相比,所开发的复合薄膜的特性有了显着改善。例如,Cr变质,综合性能、韧性和耐腐蚀性能得到提高;残余应力显着降低。
To improve structural, mechanical and chemical properties of diamond-like carbon films, we developed amorphous carbon chromium-modified compositefilms fabricated bymeans of cathodemagneticfiltered arc deposition. The properties were analyzed by Raman spectroscopy, X-ray photoelectron spectroscopy and atomic force microscopy for the purpose of the structure characterization, elemental analysis and topology examination. Moreover, we also assessed residual stress, the coefficient of friction, hardness, the elastic modulus and corrosion parameters through X-ray double-crystal surface profilometry, tribotesting, nanoindenter-testing, as well as contact angle measurements and potentiodynamic polarization analysis..As a result of a comparative analysis, we revealed a substantial improvement in the characteristics of developed composite films in comparison with amorphous carbon films. For example, Cr-modification is resulted, in greater integrated performance, toughness and corrosion resistance; the residual stress wasreduced substantially.
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