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Significant transitions of mechanical properties by changing temperature in Cu-Al alloys with heterogeneous microstructures
Lin, H. R.1,2; Tian, Y. Z.3,4; Sun, S. J.1,2; Zhang, Z. J.1,2; Bai, Y.5,6; Lu, J. T.7; Zhang, Z. F.1,2; Tsuji, N.5,6
Corresponding AuthorTian, Y. Z.(tianyanzhong@mail.neu.edu.cn) ; Zhang, Z. F.(zhfzhang@imr.ac.cn)
2020-10-01
Source PublicationMATERIALS CHARACTERIZATION
ISSN1044-5803
Volume168Pages:7
AbstractMechanical properties of Cu-5 at.%Al alloy with different recrystallization fractions ranging from 0% to 100% are studied by tensile tests at 77 K and 293 K, respectively. The relationship between uniform elongation and recrystallization fraction had been unveiled. The uniform elongation and recrystallization fraction have a transition from single-stage to two-stage relationship with decreasing deformation temperature from 293 K to 77 K, which is related to the strain gradient and deformation twinning in recrystallized grains. In addition, the conventional trade-off relationship between strength and ductility has been broken via tailoring the heterogeneous microstructures at 77 K.
KeywordCu-Al alloy Heterogeneous microstructure Deformation twin Strength Uniform elongation
Funding OrganizationFundamental Research Funds for the Central Universities ; National Natural Science Foundation of China (NSFC) ; Chinese Academy of Sciences (CAS) ; Japan Society for the Promotion of Science (JSPS) through the Bilateral Program ; Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan, through the Elements Strategy Initiative for Structural Materials (ESISM) project
DOI10.1016/j.matchar.2020.110546
Indexed BySCI
Language英语
Funding ProjectFundamental Research Funds for the Central Universities[N180204015] ; National Natural Science Foundation of China (NSFC)[51331007] ; Chinese Academy of Sciences (CAS) ; Japan Society for the Promotion of Science (JSPS) through the Bilateral Program ; Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan, through the Elements Strategy Initiative for Structural Materials (ESISM) project ; [15H05767]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Materials Science, Characterization & Testing
WOS IDWOS:000571490200004
PublisherELSEVIER SCIENCE INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140563
Collection中国科学院金属研究所
Corresponding AuthorTian, Y. Z.; Zhang, Z. F.
Affiliation1.Chinese Acad Sci, Inst Met Res, Lab Fatigue & Fracture Mat, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Peoples R China
4.Northeastern Univ, Res Ctr Metall Wires, Shenyang 110819, Peoples R China
5.Kyoto Univ, Dept Mat Sci & Engn, Sakyo Ku, Yoshida Honmachi, Kyoto 6068501, Japan
6.Kyoto Univ, Elements Strategy Initiat Struct Mat ESISM, Sakyo Ku, Yoshida Honmachi, Kyoto 6068501, Japan
7.Xian Thermal Power Res Inst Co Ltd, Natl Energy R&D Ctr Clean & High Efficiency Fossi, Xian 710032, Peoples R China
Recommended Citation
GB/T 7714
Lin, H. R.,Tian, Y. Z.,Sun, S. J.,et al. Significant transitions of mechanical properties by changing temperature in Cu-Al alloys with heterogeneous microstructures[J]. MATERIALS CHARACTERIZATION,2020,168:7.
APA Lin, H. R..,Tian, Y. Z..,Sun, S. J..,Zhang, Z. J..,Bai, Y..,...&Tsuji, N..(2020).Significant transitions of mechanical properties by changing temperature in Cu-Al alloys with heterogeneous microstructures.MATERIALS CHARACTERIZATION,168,7.
MLA Lin, H. R.,et al."Significant transitions of mechanical properties by changing temperature in Cu-Al alloys with heterogeneous microstructures".MATERIALS CHARACTERIZATION 168(2020):7.
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