Adjustment of the ratio of Ca/P in the ceramic coating on Mg alloy by plasma electrolytic oxidation

Yao, Zhongping; Li, Liangliang

doi:10.1016/j.apsusc.2009.02.082

Cited by 125 publications

(55 citation statements)

References 14 publications

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“…However, it must be said that a comparison with the literature is rather difficult because of the wide range of variations (alloy, electrolyte, current-voltage regime). Yao et al [26] found layer thicknesses on AZ91 in a range between The evaluation of the X-ray diffraction experiments reveal the identification of three phases (Fig. 6).…”

Section: The Peo Processmentioning

confidence: 99%

Corrosion protection of thickness reduced plasma electrolytic layers on AZ31

Schneider

Kremmer

Höhn

2016

Materials & Corrosion

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In the present study plasma electrolytic oxidation of magnesium in fluoride free alkaline solution were used to form thin oxide layers with high corrosion protection. The relation between potassium hydroxide and sodium silicate was varied in the electrolyte. The plasma electrolytic process was performed as current controlled unipolar pulse technique. The microstructure of the formed layers were investigated by X-ray diffraction and scanning electron microscopy. The electrochemical behavior was studied by linear sweep voltammetry and impedance spectroscopy. The thickness of the formed oxide layers was in the range of 1–2 µm. The surface morphology strictly depends on the electrolyte composition. Oxide layers formed in an electrolyte with the lowest relation KOH: Na2SO3 show the best performance in view of corrosion protection

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Section: The Peo Processmentioning

confidence: 99%

Corrosion protection of thickness reduced plasma electrolytic layers on AZ31

Schneider

Kremmer

Höhn

2016

Materials & Corrosion

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“…The in vitro and in vivo corrosion rates of different magnesium alloys[7][8][9]12,[15][16][17][18][19][20][21][22][23] …”

mentioning

confidence: 99%

A review on magnesium alloys as biodegradable materials

Zheng

2010

Front. Mater. Sci. China

506

181

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Magnesium alloys attracted great attention as a new kind of degradable biomaterials. One research direction of biomedical magnesium alloys is based on the industrial magnesium alloys system, and another is the self-designed biomedical magnesium alloys from the viewpoint of biomaterials. The mechanical, biocorrosion properties and biocompatibilities of currently reported Mg alloys were summarized in the present paper, with the mechanical properties of bone tissue, the healing period postsurgery, the pathophysiology and toxicology of the alloying elements being discussed. The strategy in the future development of biomedical Mg alloys was proposed.

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“…In addition, when the silicate solution was used for magnesium anodization, not only anodized film with the composition of MgO can be produced, but also the oxidation product of Mg 2 SiO 4. It can be produced to decrease the surface roughness of the anodized materials, and it also reduces pore sizes [19][20]. Existence of silicon on the oxidation film was confirmed by the EDS analysis.…”

Section: Resultsmentioning

confidence: 79%

A Study on How to Improve Magnesium Anodizing Process with High Biocompatibility

Kwon¹,

Hur²,

Lee³

et al. 2015

Journal of the Korean institute of surface engineering

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Anodization of die-casted AZ91D magnesium alloy was carried out using silicate based electrolyte solution instead of fluoride based solution to improve biocompatibility of oxidized layers. The anodic layer obtained from silicate based solution has smaller size of pore and smoother surface, resulting in lower corrosion rate in simulate body solution (SBF). Effect of enhanced structural and chemical properties in oxidized layer on biocompatibility was carefully considered.

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Adjustment of the ratio of Ca/P in the ceramic coating on Mg alloy by plasma electrolytic oxidation

Cited by 125 publications

References 14 publications

Corrosion protection of thickness reduced plasma electrolytic layers on AZ31

Corrosion protection of thickness reduced plasma electrolytic layers on AZ31

A review on magnesium alloys as biodegradable materials

A Study on How to Improve Magnesium Anodizing Process with High Biocompatibility

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