Improvement of Corrosion Resistance and Biocompatibility of Biodegradable Mg–Ca Alloy by ALD HfZrO2 Film

Pi Chen Lin, Kaifan Lin, Yu Hsuan Lin, Kai Chiang Yang, Vladimir Ivanovitch Semenov, Hsin Chih Lin, Miin Jang Chen

研究成果: 雜誌貢獻文章同行評審

摘要

Polycrystalline HfZrO2 (HZO) film can be fabricated on as-extruded Mg–Ca alloy, which is identified by the results of XRD and TEM. HZO film can improve the corrosion resistance of as-extruded Mg–Ca alloy to further result in a decrease in the corrosion rate of Mg–Ca alloy. Corrosion current density, pH value evaluation, and the corrosion surface image provide evidence of improvement in corrosion rate. Compared with ZrO2 film, HZO film shows better short-term corrosion resistance. The results of WST-1 assay and LDH assay show that HZO film has low toxicity and is suitable for the protective coating of biological implants.

原文英語
文章編號212
期刊Coatings
12
發行號2
DOIs
出版狀態已發佈 - 2月 2022

ASJC Scopus subject areas

  • 表面和介面
  • 表面、塗料和薄膜
  • 材料化學

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