期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 199, 期 -, 页码 239-248出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2017.07.010
关键词
Ni-Mo/graphene oxide; Ultrasonic; Low-carbon steel
资金
- Scientific Research Foundation of SEC [ZZyy15092]
- SIT [YJ2014-32]
- LM [201538]
Nano Ni-Mo/graphene oxide (GO) sheet composites were successfully prepared by direct current electrodeposition with ultrasonic (WS) vibration on low-carbon steel. The composite coatings's roughness, microhardness, corrosion and oxidation resistance, which were influenced by GO and ultrasonic factors, were investigated. Results from scanning electron microscopy (SEM), Raman spectroscopy and X-ray photoelectron spectroscopy (XPS) showed reduced graphene oxide (rGO) distributed in the coatings. X-ray diffraction patterns indicated that a decreased grain size of the nanocrystalline composite coatings after ultrasonic modification. In addition, results from thermogravimetric analysis from 25 degrees C to 600 degrees C showed that incorporating GO enhanced oxidation resistance. Best corrosion resistance value of 3.62 K Omega cm(2) and 7.4 mu A cm(-2) of the ultrasonicated coatings (Ni Mo/GO) were detected compared with coatings (Ni Mo/GO) without sonic treatment or Ni-Mo coating. (C) 2017 Elsevier B.V. All rights reserved.
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