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A comparative study on the microstructures and mechanical properties of the Mg-xCa/Mn/Ce alloys and pure Mg
Zhao, Dongqing1; Li, Guanyu1; Li, Peiliang1; Zhou, Jixue1; Cheng, Kaiming1; Liu, Yunteng1; Yang, Yuansheng1,2; Duan, Junpeng3; Ghomashchi, Reza4; Wang, Xitao1
Corresponding AuthorZhao, Dongqing(zhaodq@sdas.org) ; Zhou, Jixue(zhoujx@sdas.org)
2021-01-28
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume803Pages:9
AbstractA comparative study on the microstructures and mechanical properties of the extruded Mg-xCa/Mn/Ce (x = 0.25, 0.5, 1, 2.0 wt%) alloys and pure Mg has been carried out. It was found that when the addition of Ca, Mn and Ce was more than 0.25 wt%, 0.5 wt% and 0.5 wt% respectively, microstructures with fine grain sizes smaller than 5 mu m can be achieved by extruding at 375 degrees C with a extrusion ratio of 30 and a ram speed of 0.8 mm/s. While the grain size of pure magnesium extruded under the same condition was 26.6 mu m. The addition of Ca, Mn or Ce has significant effects on the textures of the extruded Mg-xCa/Mn/Ce alloys. The maximum intensity peaks in PF and IPF of Mg are all deviated by a certain degree with the addition of Ca, Mn or Ce. In the 12 extrusion alloys, Mg-0.5Ca/Mg-2Mn and Mg-1Ce exhibited better mechanical properties, whose ultimate tensile strength and elongation are 243.6 MPa, 233.7 MPa, 321.5 MPa and 25.6%, 20.7%, 7.6%. While the ultimate tensile strength and elongation of as-extruded pure Mg is 173.8 MPa and 16.0% respectively. Mg-xCa and Mg-0.25Ce alloys with weak texture showed weaker tension-compression asymmetry. The experimental results showed that it is feasible to prepare fine grained (<5 mu m) Mg-xCa/Mn/Ce alloys with much improved mechanical properties using conventional extrusion.
KeywordMagnesium Particle-stimulated nucleation Grain refinement Microstructure Mechanical property
Funding OrganizationNational Key Research and Development Plan ; Youth Innovation and Technology Support Program of Shandong Provincial Colleges and Universities ; Program of Promoting Collaborative Innovation and Industrialization of Achievements of Jinan Municipal Universities and Research Institutes ; Natural Science Foundation of Shandong Province ; Shandong Province Key Research and Development Plan
DOI10.1016/j.msea.2020.140508
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Plan[2017YFB0103904] ; Youth Innovation and Technology Support Program of Shandong Provincial Colleges and Universities[2020KJA002] ; Program of Promoting Collaborative Innovation and Industrialization of Achievements of Jinan Municipal Universities and Research Institutes[2019GXRC030] ; Natural Science Foundation of Shandong Province[ZR2019PEM008] ; Shandong Province Key Research and Development Plan[2019JZZY020329]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000612662300002
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160423
Collection中国科学院金属研究所
Corresponding AuthorZhao, Dongqing; Zhou, Jixue
Affiliation1.Qilu Univ Technol, Adv Mat Inst, Shandong Prov Key Lab High Strength Lightweight M, Shandong Acad Sci, Jinan 250014, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Weihai Wanfeng Magnesium S&T Dev Co Ltd, Weihai 264200, Peoples R China
4.Univ Adelaide, Sch Mech Engn, Adelaide, SA 5005, Australia
Recommended Citation
GB/T 7714
Zhao, Dongqing,Li, Guanyu,Li, Peiliang,et al. A comparative study on the microstructures and mechanical properties of the Mg-xCa/Mn/Ce alloys and pure Mg[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2021,803:9.
APA Zhao, Dongqing.,Li, Guanyu.,Li, Peiliang.,Zhou, Jixue.,Cheng, Kaiming.,...&Wang, Xitao.(2021).A comparative study on the microstructures and mechanical properties of the Mg-xCa/Mn/Ce alloys and pure Mg.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,803,9.
MLA Zhao, Dongqing,et al."A comparative study on the microstructures and mechanical properties of the Mg-xCa/Mn/Ce alloys and pure Mg".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 803(2021):9.
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