Precipitation control of calcium phosphate on pure magnesium by anodization

Sachiko Hiromoto; Tamao Shishido; Akiko Yamamoto; Norio Maruyama; Hidetoshi Somekawa; Toshiji Mukai

doi:10.1016/j.corsci.2008.08.013

Precipitation control of calcium phosphate on pure magnesium by anodization

Sachiko Hiromoto, Tamao Shishido, Akiko Yamamoto, Norio Maruyama, Hidetoshi Somekawa, Toshiji Mukai

IMR - Integrated Research Division

National Institute for Materials Science Tsukuba

Research output: Contribution to journal › Article › peer-review

95 Citations (Scopus)

Abstract

Calcium phosphate precipitated on pure magnesium from artificial plasma (modified Hanks' solution) was varied by anodization and autoclaving, aiming the control of corrosion rate of bioabsorbable magnesium. Rough and smooth anodized film was formed depending on anodizing voltage in 1 N NaOH. The amount of calcium phosphate precipitated on the porous film was 2-3 times larger than that on the smooth film. The Ca/P ratio on the porous film was slightly higher than that on the smooth film. The autoclaving did not significantly influence the morphology of anodized film; however, the precipitation of calcium phosphate was restricted. No significant local corrosion occurred after the immersion in modified Hanks' solution. It is demonstrated that the precipitation of calcium phosphate on magnesium can be controlled by anodization and autoclaving.

Original language	English
Pages (from-to)	2906-2913
Number of pages	8
Journal	Corrosion Science
Volume	50
Issue number	10
DOIs	https://doi.org/10.1016/j.corsci.2008.08.013
Publication status	Published - 2008 Oct

Keywords

A. Bioabsorbable magnesium
B. Calcium phosphate
C. Anodization
D. Autoclaving
E. Corrosion

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10.1016/j.corsci.2008.08.013

Cite this

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title = "Precipitation control of calcium phosphate on pure magnesium by anodization",

abstract = "Calcium phosphate precipitated on pure magnesium from artificial plasma (modified Hanks' solution) was varied by anodization and autoclaving, aiming the control of corrosion rate of bioabsorbable magnesium. Rough and smooth anodized film was formed depending on anodizing voltage in 1 N NaOH. The amount of calcium phosphate precipitated on the porous film was 2-3 times larger than that on the smooth film. The Ca/P ratio on the porous film was slightly higher than that on the smooth film. The autoclaving did not significantly influence the morphology of anodized film; however, the precipitation of calcium phosphate was restricted. No significant local corrosion occurred after the immersion in modified Hanks' solution. It is demonstrated that the precipitation of calcium phosphate on magnesium can be controlled by anodization and autoclaving.",

keywords = "A. Bioabsorbable magnesium, B. Calcium phosphate, C. Anodization, D. Autoclaving, E. Corrosion",

author = "Sachiko Hiromoto and Tamao Shishido and Akiko Yamamoto and Norio Maruyama and Hidetoshi Somekawa and Toshiji Mukai",

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journal = "Corrosion Science",

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T1 - Precipitation control of calcium phosphate on pure magnesium by anodization

AU - Hiromoto, Sachiko

AU - Shishido, Tamao

AU - Yamamoto, Akiko

AU - Maruyama, Norio

AU - Somekawa, Hidetoshi

AU - Mukai, Toshiji

PY - 2008/10

Y1 - 2008/10

N2 - Calcium phosphate precipitated on pure magnesium from artificial plasma (modified Hanks' solution) was varied by anodization and autoclaving, aiming the control of corrosion rate of bioabsorbable magnesium. Rough and smooth anodized film was formed depending on anodizing voltage in 1 N NaOH. The amount of calcium phosphate precipitated on the porous film was 2-3 times larger than that on the smooth film. The Ca/P ratio on the porous film was slightly higher than that on the smooth film. The autoclaving did not significantly influence the morphology of anodized film; however, the precipitation of calcium phosphate was restricted. No significant local corrosion occurred after the immersion in modified Hanks' solution. It is demonstrated that the precipitation of calcium phosphate on magnesium can be controlled by anodization and autoclaving.

AB - Calcium phosphate precipitated on pure magnesium from artificial plasma (modified Hanks' solution) was varied by anodization and autoclaving, aiming the control of corrosion rate of bioabsorbable magnesium. Rough and smooth anodized film was formed depending on anodizing voltage in 1 N NaOH. The amount of calcium phosphate precipitated on the porous film was 2-3 times larger than that on the smooth film. The Ca/P ratio on the porous film was slightly higher than that on the smooth film. The autoclaving did not significantly influence the morphology of anodized film; however, the precipitation of calcium phosphate was restricted. No significant local corrosion occurred after the immersion in modified Hanks' solution. It is demonstrated that the precipitation of calcium phosphate on magnesium can be controlled by anodization and autoclaving.

KW - A. Bioabsorbable magnesium

KW - B. Calcium phosphate

KW - C. Anodization

KW - D. Autoclaving

KW - E. Corrosion

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DO - 10.1016/j.corsci.2008.08.013

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SP - 2906

EP - 2913

JO - Corrosion Science

JF - Corrosion Science

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ER -

Precipitation control of calcium phosphate on pure magnesium by anodization

Abstract

Keywords

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