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Influence of stamping on the biodegradation behavior of Mg-2Zn-0.5Nd (ZN20) sheet
Etim, Iniobong P.1,2; Zhang, Wen1,2; Tan, Lili1; Yang, Ke1
Corresponding AuthorTan, Lili(lltan@imr.ac.cn) ; Yang, Ke(kyang@imr.ac.cn)
2020-03-01
Source PublicationBIOACTIVE MATERIALS
Volume5Issue:1Pages:133-141
AbstractStamping processing is commonly used to form medical devices and implant. However, for biodegradable Mg alloy, the stamping will influence the degradation behavior because of the change in microstructure after stamping. So in this study, the As-rolled Mg-2Zn-0.5Nd alloy (ZN20) was processed by stamping. The microstructure, crystallographic orientation and corrosion performance of this processing method was investigated to reveal the influence of the stamping process on the degradation rate of Rolled Mg-2Zn-Nd (ZN20). The degradation rate was measured by immersion of the Mg-2Zn-0.5Nd alloy in simulated body fluid using Electrochemical Impedance Spectroscopy, Potentiodynamic polarization and mass loss. The in vitro degradation result shows that the degradation rate of the Rolled Mg-2Zn-0.5Nd increased from 0.2 mm/year to 0.5 mm/year after stamping processing. The result reveals that the activation of the {1012}tension twin during stamping can remarkably weaken the {0001} basal texture and have a significant influence on the corrosion rate of Stamped Mg-2Zn-0.5Nd sheet. After removing the deformation by annealing, the degradation rate was reduced to 0.15 mm/year. This work is expected to prompt better microstructural design of biomedical Mg in order to control its degradation behavior for biomedical application.
KeywordTexture Degradation rate Crystallographic orientation Stamping Annealing Twin Deformation
Funding OrganizationKey Program of China on Biomedical Materials Research and Tissue Organ Replacement from Shenyang key R&D and technology transfer program ; National Natural Science Foundation of China
DOI10.1016/j.bioactmat.2020.01.009
Indexed BySCI
Language英语
Funding ProjectKey Program of China on Biomedical Materials Research and Tissue Organ Replacement from Shenyang key R&D and technology transfer program[2016YFC1101804] ; Key Program of China on Biomedical Materials Research and Tissue Organ Replacement from Shenyang key R&D and technology transfer program[2016YFC1100604] ; Key Program of China on Biomedical Materials Research and Tissue Organ Replacement from Shenyang key R&D and technology transfer program[Z18-0-027] ; National Natural Science Foundation of China[51801220]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Biomedical ; Materials Science, Biomaterials
WOS IDWOS:000517802700016
PublisherKEAI PUBLISHING LTD
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137503
Collection中国科学院金属研究所
Corresponding AuthorTan, Lili; Yang, Ke
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Etim, Iniobong P.,Zhang, Wen,Tan, Lili,et al. Influence of stamping on the biodegradation behavior of Mg-2Zn-0.5Nd (ZN20) sheet[J]. BIOACTIVE MATERIALS,2020,5(1):133-141.
APA Etim, Iniobong P.,Zhang, Wen,Tan, Lili,&Yang, Ke.(2020).Influence of stamping on the biodegradation behavior of Mg-2Zn-0.5Nd (ZN20) sheet.BIOACTIVE MATERIALS,5(1),133-141.
MLA Etim, Iniobong P.,et al."Influence of stamping on the biodegradation behavior of Mg-2Zn-0.5Nd (ZN20) sheet".BIOACTIVE MATERIALS 5.1(2020):133-141.
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