Electrodeposition of Ni-Al<sub>2</sub>O<sub>3</sub> composite coatings with combined addition of SDS and HPB surfactants

Electrodeposition of Ni-Al₂O₃ composite coatings with combined addition of SDS and HPB surfactants

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文摘

•: Role of HPB in electrodeposition of Ni-Al₂O₃ coatings was studied systematically.
•: Zeta potentials of the particles were measured in both Watt's bath and water.
•: Dispersibility of particles is improved dynamically in Watt's bath with agitation.
•: Co-deposition of Al₂O₃ particles is enhanced by cathode capture with HPB addition.
•: Surfactants facilitate a smooth and dense coating by improving wetting of bath.