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Analysis and Modeling of Friction Stir Processing-Based Crack Repairing in 2024 Aluminum Alloy
Ren, Jun-Gang; Wang, Lei; Xu, Dao-Kui; Xie, Li-Yang; Zhang, Zhan-Chang; Wang, L (reprint author), Shenyang Aerosp Univ, Dept Electromech Engn, Shenyang 110136, Peoples R China.
2017-03-01
发表期刊ACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
卷号30期号:3页码:228-237
摘要A friction stir processing-based method was used to repair cracks in the 2024 aluminum alloy plates. The temperature field and plastic material flow pattern were analyzed on the basis of experimental and finite element simulation results. Microstructure and tensile properties of the repaired specimens were studied. The results showed that the entire crack repairing was a solid-phase process and plastic materials tended to flow toward the shoulder center and then resulted in the repairing of cracks. Meanwhile, the coarse grain structures were refined in repaired zone (RZ), while the grains in thermal-mechanically affected zone and heat-affected zone were elongated and driven to grow up. Meanwhile, large phases are crushed into small particles and dispersed inside the RZ. Finally, the strength of the repaired specimens can be restored dramatically and their ductility can be partially restored. After heat treatment, the tensile properties of the repaired specimens can be further enhanced.; A friction stir processing-based method was used to repair cracks in the 2024 aluminum alloy plates. The temperature field and plastic material flow pattern were analyzed on the basis of experimental and finite element simulation results. Microstructure and tensile properties of the repaired specimens were studied. The results showed that the entire crack repairing was a solid-phase process and plastic materials tended to flow toward the shoulder center and then resulted in the repairing of cracks. Meanwhile, the coarse grain structures were refined in repaired zone (RZ), while the grains in thermal-mechanically affected zone and heat-affected zone were elongated and driven to grow up. Meanwhile, large phases are crushed into small particles and dispersed inside the RZ. Finally, the strength of the repaired specimens can be restored dramatically and their ductility can be partially restored. After heat treatment, the tensile properties of the repaired specimens can be further enhanced.
部门归属[ren, jun-gang ; xie, li-yang] northeastern univ, dept mech engn & automat, shenyang 110004, peoples r china ; [wang, lei ; zhang, zhan-chang] shenyang aerosp univ, dept electromech engn, shenyang 110136, peoples r china ; [xu, dao-kui] chinese acad sci, inst met res, key lab nucl mat & safety assessment, shenyang 110016, peoples r china
关键词Friction Stir Processing Crack Repairing Aluminum Alloy Microstructure Hardness Tensile Properties
学科领域Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51405309]; Natural Science Foundation of Liaoning Province [2015020183]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78254
专题中国科学院金属研究所
通讯作者Wang, L (reprint author), Shenyang Aerosp Univ, Dept Electromech Engn, Shenyang 110136, Peoples R China.
推荐引用方式
GB/T 7714
Ren, Jun-Gang,Wang, Lei,Xu, Dao-Kui,et al. Analysis and Modeling of Friction Stir Processing-Based Crack Repairing in 2024 Aluminum Alloy[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2017,30(3):228-237.
APA Ren, Jun-Gang,Wang, Lei,Xu, Dao-Kui,Xie, Li-Yang,Zhang, Zhan-Chang,&Wang, L .(2017).Analysis and Modeling of Friction Stir Processing-Based Crack Repairing in 2024 Aluminum Alloy.ACTA METALLURGICA SINICA-ENGLISH LETTERS,30(3),228-237.
MLA Ren, Jun-Gang,et al."Analysis and Modeling of Friction Stir Processing-Based Crack Repairing in 2024 Aluminum Alloy".ACTA METALLURGICA SINICA-ENGLISH LETTERS 30.3(2017):228-237.
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