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Microstructural Evolution and Biodegradation Response of Mg-2Zn-0.5Nd Alloy During Tensile and Compressive Deformation
Etim, Iniobong P.1,2; Zhang, Wen1,2; Zhang, Yi1,2; Tan, Lili2; Yang, Ke1,2
Corresponding AuthorTan, Lili(lltan@imr.ac.cn)
2020-11-10
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages11
AbstractThe effect of deformation behavior on the in vitro corrosion rate of Mg-2Zn-0.5Nd alloy was investigated experimentally after uniaxial tensile and compressive stress. The microstructure and texture were characterized using electron backscattered diffraction and X-ray diffraction, while potentiodynamic polarization and immersion tests were used to investigate the corrosion response after deformation. The result reveals that applied compressive stress has more dominant effect on the corrosion rate of Mg-2Zn-0.5Nd alloy as compared to tensile stress. Both tensile and compressive strains introduce dislocation slip and deformation twins in the alloy, thereby accelerating the corrosion rate due to the increased stress corrosion related to dislocation slips and deformation twins. The {10 (1) over bar2} tension twinning and prismatic slip were the major contributors to tensile deformation while basal slip, and {10 (1) over bar2} tension twin were obtainable during compressive deformation. The twinning activity after deformation increases with the plastic strain and this correlates with the degradation rate.
KeywordMagnesium EBSD Corrosion Deformation Twinning
Funding OrganizationKey Program of China on Biomedical Materials Research and Tissue Organ Replacement ; National Natural Science Foundation of China ; Natural Science Foundation of Liaoning Province of China ; Youth Innovation Promotion Association, CAS
DOI10.1007/s40195-020-01164-3
Indexed BySCI
Language英语
Funding ProjectKey Program of China on Biomedical Materials Research and Tissue Organ Replacement[2016YFC1101804] ; Key Program of China on Biomedical Materials Research and Tissue Organ Replacement[2016YFC1100604] ; National Natural Science Foundation of China[51971222] ; National Natural Science Foundation of China[51801220] ; Natural Science Foundation of Liaoning Province of China[2019-MS-326] ; Youth Innovation Promotion Association, CAS
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000588265300001
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/141246
Collection中国科学院金属研究所
Corresponding AuthorTan, Lili
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shichangxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Etim, Iniobong P.,Zhang, Wen,Zhang, Yi,et al. Microstructural Evolution and Biodegradation Response of Mg-2Zn-0.5Nd Alloy During Tensile and Compressive Deformation[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2020:11.
APA Etim, Iniobong P.,Zhang, Wen,Zhang, Yi,Tan, Lili,&Yang, Ke.(2020).Microstructural Evolution and Biodegradation Response of Mg-2Zn-0.5Nd Alloy During Tensile and Compressive Deformation.ACTA METALLURGICA SINICA-ENGLISH LETTERS,11.
MLA Etim, Iniobong P.,et al."Microstructural Evolution and Biodegradation Response of Mg-2Zn-0.5Nd Alloy During Tensile and Compressive Deformation".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2020):11.
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