Effects of Post-weld Aging Treatment on Friction Stir Welding Joint of 6082-T6 Aluminum Alloy
Wang, Xijing; Wei, Xueling; Zhang, Liangliang
2017-04-25
发表期刊Cailiao Daobao/Materials Review
ISSN1005023X
卷号31期号:4页码:62-65
摘要Microstructure evolution and mechanical properties of friction stir welded 6082-T6 aluminum alloy during post-weld natural and artificial aging treatment were investigated by means of transmission electron microscope(TEM), scanning electron microscope (SEM), tensile test machine and Vickers hardness tester. The results show that microhardness of the joint after artificial aging treatment was about 10-25HV higher than welded and naturally aged alloy. Artificial aging was superior to natural aging on improving the microhardness of the nugget zone and heat affected zone. After post-weld natural aging or artificial aging treatment, the mechanical properties of welded joint was improved to certain extents.The tensile strength increased by 12% and elongation decreased by 9% after artificial aging, compared to natural aging. Artificial aging was more effective for tensile strength improvement. After artificial aging, the microstructure of the nugget had significant changes. NZ was mainly GP zone and the microhardness increased with the increase of the cluster size and the GP region after artificial aging treatment. HAZ was mainly coarse β', but microhardness had little change after artificial aging treatment.It is found that the shape of precipitates can be determined by the interface energy and strain energy via microstructure analysis. © 2017, Materials Review Magazine. All right reserved.
关键词Aluminum alloys Friction Heat affected zone Mechanical properties Metal testing Microhardness Microstructure Research laboratories Scanning electron microscopy Strain energy Tensile strength Tensile testing Transmission electron microscopy Vickers hardness Artificial aging Artificial aging treatments Friction stir welding joints Friction stir welding(FSW) Interface energy Micro-structure evolutions Microstructure analysis Strength improvements
DOI10.11896/j.issn.1005-023X.2017.08.013
收录类别EI
语种中文
出版者Cailiao Daobaoshe/ Materials Review
EI入藏号20173003982224
EI主题词Friction stir welding
EI分类号538.2 Welding - 538.2.1 Welding Processes - 541.1 Aluminum - 541.2 Aluminum Alloys - 602.2 Mechanical Transmissions - 901.3 Engineering Research - 931.1 Mechanics - 951 Materials Science
来源库Compendex
分类代码538.2 Welding - 538.2.1 Welding Processes - 541.2 Aluminum Alloys - 901.3 Engineering Research - 931.1 Mechanics - 951 Materials Science
引用统计
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/114328
专题材料科学与工程学院
作者单位State Key Laboratory of Gansu Advanced Nonferrous Metal Materials, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou; 730050, China
第一作者单位材料科学与工程学院
第一作者的第一单位材料科学与工程学院
推荐引用方式
GB/T 7714
Wang, Xijing,Wei, Xueling,Zhang, Liangliang. Effects of Post-weld Aging Treatment on Friction Stir Welding Joint of 6082-T6 Aluminum Alloy[J]. Cailiao Daobao/Materials Review,2017,31(4):62-65.
APA Wang, Xijing,Wei, Xueling,&Zhang, Liangliang.(2017).Effects of Post-weld Aging Treatment on Friction Stir Welding Joint of 6082-T6 Aluminum Alloy.Cailiao Daobao/Materials Review,31(4),62-65.
MLA Wang, Xijing,et al."Effects of Post-weld Aging Treatment on Friction Stir Welding Joint of 6082-T6 Aluminum Alloy".Cailiao Daobao/Materials Review 31.4(2017):62-65.
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