Effects of C6H8O7 and C3H8O3 in the Na2SiO3 Electrolyte on Characteristics of Coating Formed on ZAlSi12Cu2Mg1 by Micro-Arc Oxidation

Kai Lu; Xiang Dong Liu; Ya Ping Zhang; Wan Zhong Gao

doi:10.4028/www.scientific.net/AMM.217-219.1327

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219Effects of C6H8O7 and C3H8O3 in the Na2SiO3...

Effects of C₆H₈O₇ and C₃H₈O₃ in the Na₂SiO₃ Electrolyte on Characteristics of Coating Formed on ZAlSi12Cu2Mg1 by Micro-Arc Oxidation

Abstract:

Micro-arc oxidation coating on ZAlSi12Cu2Mg1 alloy were prepared in Na2SiO3 electrolyte, effects of C6H8O7 and C3H8O3 as additive on resistances of micro-arc oxidation coatings were investigated. Results show that coatings containing completest ceramic particles were obtained on alloys surface processed in electrolyte solution including 2.0 g/L C6H8O7 additive, the size of micro-arc wholes becomes larger with more C6H8O7, and it has improved with 1ml/L C3H8O3 in the solution. The results of XRD analysis indicates that the coatings are mainly composed of alumina and mullite. EDS analysis showed the element contains sodium, oxygen, silicon and aluminum. Wear resistance of coating were increased by adding C3H8O3.

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Periodical:

Applied Mechanics and Materials (Volumes 217-219)

Pages:

1327-1330

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.217-219.1327

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Online since:

November 2012

Authors:

Kai Lu, Xiang Dong Liu, Ya Ping Zhang, Wan Zhong Gao

Keywords:

Ceramic Coating, Electrolyte, Micro-Arc Oxidation (MAO), ΖΑlSi12Cu2Mg1

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