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Effect of surfactant on the ceria

发布:大昌洋行(上海)有限公司(大昌华嘉科学仪器部)
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The nickelceria (NiCeO2) nanocomposite coatings have been pulse electrodeposited from a Wattstype electrolyte containing nano-sized CeO2 particles produced by high-energy ball mil领 technique (HEBM). Sodium Lauryl Sulphate (SLS) has been added in the electrolyte as a cationic surfactant. The effects of the surfactant on the zeta potential, co-deposition and distribution of ceria particles in the nickel matrix and hardness of composite coatings have been investigated. Experimental results show that the addition of SLS up to 0.10 g/l increases the amount of co-deposited ceria particles in the nickel matrix and microhardness of the nanocomposite. However, when the amount of SLS in the electrolyte is more than 0.1 g/l, there is a tendency to form agglomerates of ceria particles in the nickel matrix resulting no further increase in hardness of the NiCeO2 nanocomposite coatings. 纳米粒度及Zeta电位分析仪

2010-06-10
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