期刊
RSC ADVANCES
卷 5, 期 127, 页码 104829-104840出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra21207c
关键词
-
资金
- National Key Basic Research Program [2014CB643302]
- National Natural Science Foundation of China [51322508]
The anticorrosion and tribocorrosion properties of a multilayer diamond-like carbon (DLC) film were systematically investigated in NaCl solution. Electrochemical measurements suggest that the corrosion performance of the multilayer DLC film is superior to those of the substrate and single layer DLC film in NaCl solution, which is attributed to the successively multilayered structure with a well-bonded interface and the formation of Si oxides. An extremely high Warburg impedance value, higher than 10(7) Omega cm(2), of the multilayer DLC film has been observed. Tribocorrosion tests show that the multilayer DLC film presents lower wear rate in NaCl solution, with the substrate and single layer DLC film as comparisons. We demonstrate that the multilayer DLC film is an excellent protective material for improving both corrosion and wear performance of the substrate.
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