Biodegradation Behavior of Coated As-Extruded Mg-Sr Alloy in Simulated Body Fluid
Zhao, Ming-Chun1; Zhao, Ying-Chao1; Yin, Deng-Feng1; Wang, Shuo1; Shangguan, Yong-Ming2; Liu, Chao1; Tan, Li-Li2; Shuai, Ci-Jun1; Yang, Ke2; Atrens, Andrej3
Corresponding AuthorYin, Deng-Feng(
AbstractAs-extruded Mg-Sr alloy, a kind of promising biodegradable biomedical material, was coated using micro-arc oxidation and also using a phosphate conversion coating. The corrosion behaviors were investigated using Hanks' solution. The corrosion of the as-extruded Mg-Sr alloy became more serious with increasing immersion time; that is, the corrosion pits became more numerous, larger and deeper. The micro-arc oxidation coating and the phosphate conversion coating were effective in improving the corrosion resistance of the as-extruded Mg-Sr alloy. The micro-arc oxidation coating was much more effective. Moreover, the as-extruded Mg-Sr alloy and the coated as-extruded Mg-Sr alloy exhibited lower corrosion rates than the as-cast Mg-Sr alloy and the corresponding coated as-cast Mg-Sr alloy, indicating that the corrosion properties of the coated samples are dependent on their substrates. The finer microstructure of the substrate of the as-extruded condition corroded much slower. The corrosion resistance of the coated Mg-Sr alloy depended on the coating itself and on the microstructure of the substrate.
KeywordMg alloy Micro-arc oxidation coating Phosphate conversion coating Biodegradation Corrosion resistance
Funding OrganizationNational Natural Science Foundation of China
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[51874368]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000485896700002
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Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorYin, Deng-Feng
Affiliation1.Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
3.Univ Queensland, Div Mat, Brisbane, Qld 4072, Australia
Recommended Citation
GB/T 7714
Zhao, Ming-Chun,Zhao, Ying-Chao,Yin, Deng-Feng,et al. Biodegradation Behavior of Coated As-Extruded Mg-Sr Alloy in Simulated Body Fluid[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2019,32(10):1195-1206.
APA Zhao, Ming-Chun.,Zhao, Ying-Chao.,Yin, Deng-Feng.,Wang, Shuo.,Shangguan, Yong-Ming.,...&Atrens, Andrej.(2019).Biodegradation Behavior of Coated As-Extruded Mg-Sr Alloy in Simulated Body Fluid.ACTA METALLURGICA SINICA-ENGLISH LETTERS,32(10),1195-1206.
MLA Zhao, Ming-Chun,et al."Biodegradation Behavior of Coated As-Extruded Mg-Sr Alloy in Simulated Body Fluid".ACTA METALLURGICA SINICA-ENGLISH LETTERS 32.10(2019):1195-1206.
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