Regulate and Control Grain Structure Characteristics and Mechanical Properties Control of Al-Zn-Mg-Cu Alloy
Grain characteristics are one of the most important factors in determining alloy properties. Thermal deformation and solution treatment experiments were used to investigate the evolution of grain features and mechanical properties of Al-9.39 Zn-1.92 Mg-1.98 Cu alloy. The results reveal that when the...
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Published in | Key engineering materials Vol. 921; pp. 85 - 92 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
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Trans Tech Publications Ltd
30.05.2022
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Abstract | Grain characteristics are one of the most important factors in determining alloy properties. Thermal deformation and solution treatment experiments were used to investigate the evolution of grain features and mechanical properties of Al-9.39 Zn-1.92 Mg-1.98 Cu alloy. The results reveal that when the deformation temperature rises, the recrystallized grain size, recrystallization fraction, and sub-grain size for the alloy's final microstructure gradually increase. The recrystallized grain size and fraction increase as the solution temperature rises, although the sub-grain size of the final microstructure of the corresponding alloy changes slightly. Fitting is used to deriving the function of recrystallization size, recrystallization fraction, and sub-grain size as a function of deformation temperature. The tensile properties of the alloy at T6 state are the best after deformation at 400°C and solution treatment at 470°C. The brittle fracture mode is shown in recrystallized grains, whereas the toughness fracture mode is shown in sub-grains. |
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AbstractList | Grain characteristics are one of the most important factors in determining alloy properties. Thermal deformation and solution treatment experiments were used to investigate the evolution of grain features and mechanical properties of Al-9.39 Zn-1.92 Mg-1.98 Cu alloy. The results reveal that when the deformation temperature rises, the recrystallized grain size, recrystallization fraction, and sub-grain size for the alloy's final microstructure gradually increase. The recrystallized grain size and fraction increase as the solution temperature rises, although the sub-grain size of the final microstructure of the corresponding alloy changes slightly. Fitting is used to deriving the function of recrystallization size, recrystallization fraction, and sub-grain size as a function of deformation temperature. The tensile properties of the alloy at T6 state are the best after deformation at 400°C and solution treatment at 470°C. The brittle fracture mode is shown in recrystallized grains, whereas the toughness fracture mode is shown in sub-grains. |
Author | Yan, Hong Wei Gao, Guan Jun Shi, Guo Hui Yu, Ming Yang Zhu, Kai |
Author_xml | – givenname: Hong Wei surname: Yan fullname: Yan, Hong Wei email: yanhongwei200@163.com organization: General Research Institute for Nonferrous Metals – givenname: Ming Yang surname: Yu fullname: Yu, Ming Yang email: yu_my93@163.com organization: GRINM Group Co., LTD. : State Key Laboratory of Non-Ferrous Metals and Processes – givenname: Guo Hui surname: Shi fullname: Shi, Guo Hui email: sgh528100@163.com organization: GRINM Group Co., LTD. : State Key Laboratory of Non-Ferrous Metals and Processes – givenname: Kai surname: Zhu fullname: Zhu, Kai email: zhu_thirteen@foxmail.com organization: GRINM Group Co., LTD. : State Key Laboratory of Non-Ferrous Metals and Processes – givenname: Guan Jun surname: Gao fullname: Gao, Guan Jun email: wwwgaoguanjun@126.com organization: GRINM Group Co., LTD. : State Key Laboratory of Non-Ferrous Metals and Processes |
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References | Mukhopadhyay (4615388) 2009; 62 Adam (4615397) 2017; 48 Wei (4615398) 2013; 22 Han (4615389); 509 Deshpande (4615391); 29 Zuo (4615392); 130 4615399 Jeong (4615390) 2019; 12 CHEN (4615393); 23 Wang (4615394); 674 Xie (4615395) 2020; 51 Adam (4615396) 2016; 26 |
References_xml | – volume: 12 start-page: 3807 issn: 1996-1944 issue: 23 year: 2019 ident: 4615390 article-title: Comparison of Hot Deformation Behavior Characteristics Between As-Cast and Extruded Al-Zn-Mg-Cu (7075) Aluminum Alloys with a Similar Grain Size publication-title: Materials doi: 10.3390/ma12233807 contributor: fullname: Jeong – volume: 23 start-page: 329 issue: 2 ident: 4615393 article-title: Effect of hot deformation conditions on grain structure and properties of 7085 aluminum alloy publication-title: Transactions of Nonferrous Metals Society of China doi: 10.1016/s1003-6326(13)62465-6 contributor: fullname: CHEN – volume: 674 start-page: 40 ident: 4615394 article-title: Influence of cumulative strain on microstructure and mechanical properties of multi-directional forged 2A14 aluminum alloy publication-title: Materials Science and Engineering: A doi: 10.1016/j.msea.2016.07.072 contributor: fullname: Wang – ident: 4615399 doi: 10.1016/j.matchar.2006.03.003 – volume: 26 start-page: 207 issn: 1544-1024 issue: 1 year: 2016 ident: 4615396 article-title: Modeling the Controlled Recrystallization of Particle-Containing Aluminum Alloys publication-title: Journal of Materials Engineering and Performance doi: 10.1007/s11665-016-2436-2 contributor: fullname: Adam – volume: 48 start-page: 2062 issn: 1543-1940 issue: 4 year: 2017 ident: 4615397 article-title: Analysis of Particle-Stimulated Nucleation (PSN)-Dominated Recrystallization for Hot-Rolled 7050 Aluminum Alloy publication-title: Metallurgical and Materials Transactions A doi: 10.1007/s11661-017-3967-3 contributor: fullname: Adam – volume: 62 start-page: 113 issn: 0975-1645 issue: 2 year: 2009 ident: 4615388 article-title: Microstructure and properties of high strength aluminium alloys for structural applications publication-title: Transactions of the Indian Institute of Metals doi: 10.1007/s12666-009-0015-z contributor: fullname: Mukhopadhyay – volume: 130 start-page: 123 ident: 4615392 article-title: Effect of deformation induced precipitation on grain refinement and improvement of mechanical properties AA 7055 aluminum alloy publication-title: Materials Characterization doi: 10.1016/j.matchar.2017.05.038 contributor: fullname: Zuo – volume: 29 start-page: 1191 issn: 1543-1940 issue: 4 ident: 4615391 article-title: Relationship between fracture toughness, fracture path, and microstructure of 7050 aluminum alloy: Part I. Quantitative characterization publication-title: Metallurgical and Materials Transactions A doi: 10.1007/s11661-998-0246-3 contributor: fullname: Deshpande – volume: 22 start-page: 2665 issn: 1544-1024 issue: 9 year: 2013 ident: 4615398 article-title: Characterization of Fracture and Fatigue Behavior of 7050 Aluminum Alloy Ultra-thick Plate publication-title: Journal of Materials Engineering and Performance doi: 10.1007/s11665-013-0561-8 contributor: fullname: Wei – volume: 509 start-page: 4138 issue: 10 ident: 4615389 article-title: Effect of solution treatment on the strength and fracture toughness of aluminum alloy 7050 publication-title: Journal of Alloys and Compounds doi: 10.1016/j.jallcom.2011.01.005 contributor: fullname: Han – volume: 51 start-page: 5378 issn: 1543-1940 issue: 10 year: 2020 ident: 4615395 article-title: Microstructure Evolution and Recrystallization Resistance of a 7055 Alloy Fabricated by Spray Forming Technology and by Conventional Ingot Metallurgy publication-title: Metallurgical and Materials Transactions A doi: 10.1007/s11661-020-05931-w contributor: fullname: Xie |
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SubjectTerms | Aluminum base alloys Copper Deformation Fracture toughness Grain size Grain structure Magnesium Mechanical properties Microstructure Recrystallization Solution heat treatment Tensile properties Zinc |
Title | Regulate and Control Grain Structure Characteristics and Mechanical Properties Control of Al-Zn-Mg-Cu Alloy |
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