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Achieving High-Strength and Toughness in a Mg-Gd-Y Alloy Using Multidirectional Impact Forging
Lu, Songhe1,2; Wu, Di2; Yan, Ming1; Chen, Rongshi2
Corresponding AuthorChen, Rongshi(rschen@imr.ac.cn)
2022-02-01
Source PublicationMATERIALS
Volume15Issue:4Pages:12
AbstractHigh strength and toughness are achieved in the Mg-4.96Gd-2.44Y-0.43Zr alloy by multidirectional impact forging (MDIF). The forged sample has a fine-grained microstructure with an average grain size of ~5.7 mu m and a weak non-basal texture, and it was characterized by an optical microscope (OM), scanning electron microscope (SEM), and electron back-scattering diffraction (EBSD). Tensile results exhibit the tensile yield strength (TYS) and static toughness (ST) of as-homogenized alloy dramatically increased after forging and aging, i.e., the TYS increased from 135(-5)(+4) MPa to 337(-2)(+2) MPa, and the ST enhanced from 22.0(-0.5)(+0.3) MJ/m(3) to 50.4(-5.4)(+5.3) MJ/m(3). Specifically, the forged Mg-Gd-Y-Zr alloy owns higher TYS than that of commercial rolled WE54 (Mg-5.25Y-3.5Nd-0.5Zr) and WE43 (Mg-4.0Y-3.0Nd-0.5Zr) alloys.
Keywordgrain refinement high strength and toughness {10-12} twin Mg-Gd-Y alloy multidirectional impact forging
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Science and Technology Major Project of China ; Natural Science Foundation of Liaoning province
DOI10.3390/ma15041508
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[52171055] ; National Science and Technology Major Project of China[2017ZX04014001] ; Natural Science Foundation of Liaoning province[20180550799]
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:000765303300001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173251
Collection中国科学院金属研究所
Corresponding AuthorChen, Rongshi
Affiliation1.Southern Univ Sci & Technol, Acad Adv Interdisciplinary Studies, Shenzhen 518055, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Lu, Songhe,Wu, Di,Yan, Ming,et al. Achieving High-Strength and Toughness in a Mg-Gd-Y Alloy Using Multidirectional Impact Forging[J]. MATERIALS,2022,15(4):12.
APA Lu, Songhe,Wu, Di,Yan, Ming,&Chen, Rongshi.(2022).Achieving High-Strength and Toughness in a Mg-Gd-Y Alloy Using Multidirectional Impact Forging.MATERIALS,15(4),12.
MLA Lu, Songhe,et al."Achieving High-Strength and Toughness in a Mg-Gd-Y Alloy Using Multidirectional Impact Forging".MATERIALS 15.4(2022):12.
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