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Microstructure, corrosion properties and bio-compatibility of calcium zinc phosphate coating on pure iron for biomedical application
H. Y. Chen; E. L. Zhang; K. Yang
2014
Source PublicationMaterials Science & Engineering C-Materials for Biological Applications
ISSN0928-4931
Volume34Pages:201-206
AbstractIn order to improve the biocompatibility and the corrosion resistance in the initial stage of implantation, a phosphate (CaZn2(PO4)(2)center dot 2H(2)O) coating was obtained on the surface of pure iron by a chemical reaction method. The anti-corrosion property, the blood compatibility and the cell toxicity of the coated pure iron specimens were investigated. The coating was composed of some fine phosphate crystals and the surface of coating was flat and dense enough. The electrochemical data indicated that the corrosion resistance of the coated pure iron was improved with the increase of phosphating time. When the specimen was phosphated for 30 min, the corrosion resistance (R-p) increased to 8006 Omega. Compared with that of the naked pure iron, the anti-hemolysis property and cell compatibility of the coated specimen was improved significantly, while the anti-coagulant property became slightly worse due to the existence of element calcium. It was thought that phosphating treatment might be an effective method to improve the biocompatibility of pure iron for biomedical application. (C) 2013 Elsevier B.V. All rights reserved.
description.department[chen, haiyan] harbin inst technol, state key lab adv welding & joining, harbin 150001, peoples r china. [zhang, erlin] northeastern univ, educ minist china, key lab anisotropy & texture mat, shenyang 110819, peoples r china. [yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; zhang, el (reprint author), northeastern univ, educ minist china, key lab anisotropy & texture mat, shenyang 110819, peoples r china. ; zhangerlin2009@163.com
KeywordBiomaterials Coatings Surfaces Corrosion Pure Iron In-vitro Cell Compatibility Biomaterial Magnesium Stents Biocompatibility Degradation Bioactivity Scaffolds Alloys
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72476
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
H. Y. Chen,E. L. Zhang,K. Yang. Microstructure, corrosion properties and bio-compatibility of calcium zinc phosphate coating on pure iron for biomedical application[J]. Materials Science & Engineering C-Materials for Biological Applications,2014,34:201-206.
APA H. Y. Chen,E. L. Zhang,&K. Yang.(2014).Microstructure, corrosion properties and bio-compatibility of calcium zinc phosphate coating on pure iron for biomedical application.Materials Science & Engineering C-Materials for Biological Applications,34,201-206.
MLA H. Y. Chen,et al."Microstructure, corrosion properties and bio-compatibility of calcium zinc phosphate coating on pure iron for biomedical application".Materials Science & Engineering C-Materials for Biological Applications 34(2014):201-206.
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