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High-Speed Tensile Mechanical Properties and Deformation Mechanism of 2195 Al-Li Alloy Sheet
Xu Yong1,2; Yin Kuo2; Xia Liangliang1; Chen Shuaifeng1; Men Xiangnan3; Deng Tao3; Wang Yu4; Zhang, Shi-Hong1
Corresponding AuthorXu Yong(yxu@imr.ac.cn)
2022-04-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume51Issue:4Pages:1283-1292
AbstractIn order to investigate the dynamic mechanical properties and deformation mechanism of 2195 Al-Li alloy as new quenched, the high strain rate tensile experiments were carried out by the split Hopkinson tension bar equipment. Experimental strain rate ranged from 1000 to 4500 s(-1), and the texture types and microstructure evolution of the alloy at different strain rates were analyzed by EBSD. The results show that strength and elongation of the alloy increase gradually with the increase of strain rate. When the strain rate reaches 4200 s(-1), the ultimate tensile strength and elongation reach 398 MPa and 63%, respectively. Compared with quasi-static tensile test, the elongation is significantly improved. According to the analysis of EBSD results, with the increase of strain rate, the proportion of small-angle grain boundaries and the average KAM increase at the same time. And the strength and volume fraction of Goss texture and S texture increase with the increase of strain rate. At high strain rate tension, not only the plastic deformation of soft-oriented grains is more sufficient, but also more coordinated deformation of hard-oriented grains can be initiated. Furthermore, the deformation mechanism at high strain rate tension was revealed.
Keywordaluminum-lithium alloy mechanical properties high strain rate texture
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000799378800019
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/174234
Collection中国科学院金属研究所
Corresponding AuthorXu Yong
Affiliation1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
2.North China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Peoples R China
3.AVIC Chengdu Aircraft Ind Co Ltd, Chengdu 610092, Peoples R China
4.Shanghai Aerosp Equipments Manufacture Co Ltd, Shanghai 200245, Peoples R China
Recommended Citation
GB/T 7714
Xu Yong,Yin Kuo,Xia Liangliang,et al. High-Speed Tensile Mechanical Properties and Deformation Mechanism of 2195 Al-Li Alloy Sheet[J]. RARE METAL MATERIALS AND ENGINEERING,2022,51(4):1283-1292.
APA Xu Yong.,Yin Kuo.,Xia Liangliang.,Chen Shuaifeng.,Men Xiangnan.,...&Zhang, Shi-Hong.(2022).High-Speed Tensile Mechanical Properties and Deformation Mechanism of 2195 Al-Li Alloy Sheet.RARE METAL MATERIALS AND ENGINEERING,51(4),1283-1292.
MLA Xu Yong,et al."High-Speed Tensile Mechanical Properties and Deformation Mechanism of 2195 Al-Li Alloy Sheet".RARE METAL MATERIALS AND ENGINEERING 51.4(2022):1283-1292.
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