Micro Arc Oxidation of AZ91 Mg Alloy for Improved Corrosion Resistance

Yavuz, H.G.; Günyüz, Mert; Özkara, İsa Metin; Baydoğan, Murat; Çi̇menoǧlu, Hüseyin

doi:10.4028/www.scientific.net/ddf.312-315.877

Cited by 3 publications

(1 citation statement)

References 20 publications

(25 reference statements)

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“…Therefore, a lot of researchers have investigated this problem. H. G. Yavuz et al researched the micro arc oxidation of AZ91 Mg alloy for improved corrosion resistance [4]. Characterization and corrosion behavior of ceramic coating on magnesium by micro-arc oxidation were investigated by Durdu Salih et al [5].…”

Section: Introductionmentioning

confidence: 99%

Influence of Process Parameters on Corrosion Resistance of Ceramic Layer Prepared by Micro Arc Oxidation on Aluminum Alloy 6061

Niu

Wei

et al. 2013

KEM

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Alumina ceramics film which has high hardness, wear resistance and erosion resistance can be obtained using micro arc oxidation on the surface of aluminum alloy. The process parameters have great influence on the corrosion resistance of alumina ceramics film prepared by micro arc oxidation. In this research, the alumina ceramics film was gotten using micro arc oxidation with different process parameters. The corrosion resistance of ceramics coating prepared by micro arc oxidation on the surface of aluminum alloy was investigated by putting the samples into sodium chloride solution of the concentration 3.5%.The influence regularity of process parameters such as current density, impulse frequency, duty ratio and process time on the corrosion resistance of alumina ceramics film was researched. This can provide basis for the optimization of process parameters.

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Section: Introductionmentioning

confidence: 99%

Influence of Process Parameters on Corrosion Resistance of Ceramic Layer Prepared by Micro Arc Oxidation on Aluminum Alloy 6061

Niu

Wei

et al. 2013

KEM

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Study on laser cladding and properties of AZ63-Er alloy for automobile engine

Jin

Sun

et al. 2020

Journal of Materials Research and Technology

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The influence of Ac parameters in the process of micro-arc oxidation film electric breakdown

2016

MATEC Web Conf.

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Abstract. This paper studies the electric breakdown discharge process of micro-arc oxidation film on the surface of aluminum alloy. Based on the analysis of the AC parameters variation in the micro-arc oxidation process, the following conclusions can be drawn: The growth of oxide film can be divided into three stages, and Oxide film breakdown discharge occurs twice in the micro-arc oxidation process. The first stage is the formation and disruptive discharge of amorphous oxide film, producing the ceramic oxide granules, which belong to solid dielectric breakdown. In this stage the membrane voltage of the oxide film plays a key role; the second stage is the formation of ceramic oxide film, the ceramic oxide granules turns into porous structure oxide film in this stage; the third stage is the growth of ceramic oxide film, the gas film that forms in the oxide film's porous structure is electric broken-down, which is the second breakdown discharge process, the current density on the oxide film surface could affect the breakdown process significantly.

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Micro Arc Oxidation of AZ91 Mg Alloy for Improved Corrosion Resistance

Cited by 3 publications

References 20 publications

Influence of Process Parameters on Corrosion Resistance of Ceramic Layer Prepared by Micro Arc Oxidation on Aluminum Alloy 6061

Influence of Process Parameters on Corrosion Resistance of Ceramic Layer Prepared by Micro Arc Oxidation on Aluminum Alloy 6061

Study on laser cladding and properties of AZ63-Er alloy for automobile engine

The influence of Ac parameters in the process of micro-arc oxidation film electric breakdown

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