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金国,丁小龙,胡振峰,吕镖,汪笑鹤.电刷镀Ni-石墨烯复合镀层的耐腐蚀性能[J].稀有金属材料与工程(英文),2019,48(6):2002~2008.[JIN Guo,dingxiaolong,HU Zhenfeng,LV Biao and WANG Xiaohe.Corrosion Resistance of Electro-brush Plating Ni-graphene Composite Coatings[J].Rare Metal Materials and Engineering,2019,48(6):2002~2008.]
Corrosion Resistance of Electro-brush Plating Ni-graphene Composite Coatings
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Received:December 13, 2017  Revised:December 28, 2017
DOI:
Key words: navy vessel corrosion protection  electro-brush plating  graphene  Ni-GE composite coating  corrosion resistance
Foundation item:国家自然科学基金(项目号:5177512,51605491)
Author NameAffiliation
JIN Guo,dingxiaolong,HU Zhenfeng,LV Biao and WANG Xiaohe  
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Abstract:
      In order to obtain a metal coating with excellent corrosion resistance and a simple preparation process is applied to navy vessel corrosion protection, Ni-graphene composite coating was grown on 45 steel substrates by electro-brush plating, Scanning electron microscope(SEM),energy dispersive spectrometer(EDS),atomic electron microscopy(AFM) and Raman spectroscopy were employed to characterize graphene,and morphology of the coatings, The corrosion resistance of Ni-graphene composite coatings was studied by electrochemical experiment and immersion test. Results show that the graphene layers enters the Ni-graphene composite coating, compared with Ni coating, the quality of Ni-graphene composite coating is better. In electrochemical experiments and immersion test, we found that Ni-GE composite coating compared with Ni plating, the corrosion resistance of the former than the latter is 70 mV, the corrosion current density of the former was only 0.34 times that of the latter, the former of the charge transfer resistance is 3.1 times of that for the latter; After immerse 168 h, the weight loss of Ni- graphene composite coating was 0.47 times of Ni plating layer, indicating that the corrosion resistance of Ni- graphene composite coating was obviously enhanced.