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Effects of Different Rare Earth Elements on the Degradation and Mechanical Properties of the ECAP Extruded Mg Alloys
Chen, Junxiu1,2,3; Zhan, Jie1,2,3; Kolawole, Sharafadeen Kunle4; Tan, Lili5; Yang, Ke5; Wang, Jianhua1,2,3; Su, Xuping1,2,3
Corresponding AuthorChen, Junxiu(czdxcjx@cczu.edu.cn) ; Yang, Ke(kyang@imr.ac.cn)
2022
Source PublicationMATERIALS
Volume15Issue:2Pages:19
AbstractEffects of different rare earth elements on the degradation and mechanical properties of the ECAP (equal channel angular pressing) extruded Mg alloys were investigated in this work. Microstructural characterization, thermodynamic calculation, a tensile test, an electrochemical test, an immersion test, a hydrogen evolution test and a cytotoxicity test were carried out. The results showed that yttrium addition was beneficial to the improvement of the alloy's strength, and the ultimate tensile strength (UTS) and yield strength (YS) values of the ECAPed Mg-2Zn-0.5Y-0.5Zr alloy reached 315 MPa and 295 MPa, respectively. In addition, Nd was beneficial to the corrosion resistance, for which, the corrosion rate of the ECAPed Mg-2Zn-0.5Nd-0.5Zr alloy was observed to be 0.42 +/- 0.04 mm/year in Hank's solution after 14 days of immersion. Gd was moderate in improving both the corrosion resistance and mechanical properties. Moreover, after co-culturing with murine calvarial preosteoblasts (MC3T3-E1) cells, the ECAPed Mg-2Zn-0.5RE (Nd, Gd, Y)-0.5Zr alloys exhibited good cytocompatibility with a grade 1 cytotoxicity. Consequently, the ECAPed Mg-2Zn-0.5Nd-0.5Zr alloy showed the best application prospect in the field of orthopedics.
KeywordECAP rare earth elements Mg alloy corrosion resistance mechanical properties
Funding OrganizationNational Natural Science Foundation of China ; Changzhou SciTech Program ; Natural Science Foundation of the Jiangsu Higher Education Institutions of China ; Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
DOI10.3390/ma15020627
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[52001034] ; Changzhou SciTech Program[CJ20200078] ; Natural Science Foundation of the Jiangsu Higher Education Institutions of China[20KJB430013] ; Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000747238900001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173611
Collection中国科学院金属研究所
Corresponding AuthorChen, Junxiu; Yang, Ke
Affiliation1.Changzhou Univ, Key Lab Mat Surface Sci & Technol Jiangsu Prov, Changzhou 213164, Jiangsu, Peoples R China
2.Changzhou Univ, Jiangsu Collaborat Innovat Ctr Photovolta Sci & E, Changzhou 213164, Jiangsu, Peoples R China
3.Changzhou Univ, Natl Expt Teaching Demonstrat Ctr Mat Sci & Engn, Changzhou 213164, Jiangsu, Peoples R China
4.Fed Polytech, Sch Engn & Technol, Dept Mech Engn, PMB 420, Offa, Nigeria
5.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Chen, Junxiu,Zhan, Jie,Kolawole, Sharafadeen Kunle,et al. Effects of Different Rare Earth Elements on the Degradation and Mechanical Properties of the ECAP Extruded Mg Alloys[J]. MATERIALS,2022,15(2):19.
APA Chen, Junxiu.,Zhan, Jie.,Kolawole, Sharafadeen Kunle.,Tan, Lili.,Yang, Ke.,...&Su, Xuping.(2022).Effects of Different Rare Earth Elements on the Degradation and Mechanical Properties of the ECAP Extruded Mg Alloys.MATERIALS,15(2),19.
MLA Chen, Junxiu,et al."Effects of Different Rare Earth Elements on the Degradation and Mechanical Properties of the ECAP Extruded Mg Alloys".MATERIALS 15.2(2022):19.
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