Effect of travel speeds on microstructures and mechanical properties of friction-stir welded 5754 aluminum alloy sheets

GAO Chong; LI Shulei; LIU Zhenshan; ZHAO Jingwei; ZHAO Pizhi

doi:10.12073/j.hjxb.20190921002

TRANSACTIONS OF THE CHINA WELDING INSTITUTION > 2020 > 41(2): 80-86. > DOI: 10.12073/j.hjxb.20190921002

GAO Chong, LI Shulei, LIU Zhenshan, ZHAO Jingwei, ZHAO Pizhi. Effect of travel speeds on microstructures and mechanical properties of friction-stir welded 5754 aluminum alloy sheets[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2020, 41(2): 80-86. DOI: 10.12073/j.hjxb.20190921002

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Effect of travel speeds on microstructures and mechanical properties of friction-stir welded 5754 aluminum alloy sheets

Chinalco Materials Application Research Institute Co.,Ltd., Beijing, 102209, China

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Received Date: September 20, 2019
Available Online: July 12, 2020

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Abstract

Abstract

The 3.0 mm thick cold-rolled sheets of 5754 aluminum alloy were prepared by friction stir welding (FSW) at a rotation rate of 800 r/min. The microstructures and mechanical properties of FSW 5754 joints with different travel speeds (100 ~ 400 mm/min) were studied. Results showed that the cross section morphologies of FSW 5754 joints were "basin" type. With the travel speed increased, the area of both nugget zone (NZ) and stir-shoulder zone (SSZ) of FSW 5754 joints reduced. While the area of stir-pin zone (SPZ) increased initially and decreased afterwards, peaking at 6.66 mm² with the speed of 300 mm/min. At that speed, the area ratio of SSZ to SPZ zone was 0.97, and the strength coefficient of FSW 5754 aluminum alloy joint was 97.5%. These were mainly resulting from the increased interface area between NZ zone and HAZ zone, caused by the similar area between SSZ and SPZ zone. Tensile specimens were all fractured in heat affected zone (HAZ) or base material (BM) with a ductile model fracture. When the travel speed reached 400 mm/min, the strength coefficient of FSW 5754 aluminum alloy joint was dropped to 58.8%. Tensile specimens were all fractured at NZ zone with a brittle model fracture.
- 5754 aluminum alloy,
- friction stir welding,
- travel speed,
- microstructure,
- mechanical properties

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References (14)

References

胡静远, 王孟君, 李继林, 等. 汽车用5754铝合金温拉深成形性能的研究[J]. 材料研究与应用, 2016, 10(1): 39 − 42.

Hu Jingyuan, Wang Mengjun, Li Jilin, et al. Forming properties of 5754 aluminum alloy for automotive body sheet during warm deep drawing processes[J]. Materials Research and Application, 2016, 10(1): 39 − 42.

陈建, 高云. 汽车用高强5754铝合金的轧制工艺[J]. 锻压技术, 2014, 39(5): 78 − 81.

Chen Jian., Gao Yun. Rolling process of high strength 5754 aluminum alloy for automobile[J]. Forging & Stamping Technology, 2014, 39(5): 78 − 81.

Lac D F, Serio L M, Palumbo D, et al. Optimization and characterization of the friction stir welded sheets of AA 5754-H111: monitoring of the quality of Joints with thermographic techniques[J]. Materials, 2017, 10: 1 − 18.

Serio L M, Palumbo D, Lac D F, et al. Effect of friction stir process parameters on the mechanical and thermal behavior of 5754-H111 aluminum plates[J]. Material, 2016, 9(3): 122 − 141.

潘锐, 王善林, 李建萍, 等. 工艺参数对搅拌摩擦焊变形铝合金接头性能的影响[J]. 焊接学报, 2016, 37(11): 89 − 92, 98.

Pan Rui, Wang Shanlin, Li Jianping, et al. Effect of processing parameters on mechanical properties of aluminum alloy joints welded by friction stir welding[J]. Transactions of the China Welding Institution, 2016, 37(11): 89 − 92, 98.

王振苏, 黄凌骄, 柴鹏, 等. 7N01铝合金搅拌摩擦焊接头组织与性能分析[J]. 焊接学报, 2017, 38(9): 115 − 118.

Wang Zhensu, Huang Lingjiao, Chai Peng, et al. Microstructure and mechanical properties of friction stir welded 7N01 aluminum alloy lap joints[J]. Transactions of the China Welding Institution, 2017, 38(9): 115 − 118.

张坤, 方远方, 栾国红, 等. 静止轴肩搅拌摩擦焊接6005铝合金的力学和疲劳性能[J]. 焊接学报, 2017, 38(9): 25 − 28.

Zhang Kun, Fang Yuanfang, Luan Guohong, et al. Mechanical and fatigue property of stationary shoulder friction stir welding AA6005[J]. Transactions of the China Welding Institution, 2017, 38(9): 25 − 28.

Badarinarayan H, Shi Y, Li X, et al. Effect of tool geometry on hook formation and static strength of friction stir spot welded aluminum 5754-O sheets[J]. International Journal of Machine Tools and Manufacture, 2009, 49(11): 814 − 823. doi: 10.1016/j.ijmachtools.2009.06.001

戴启雷,王秀义,侯振国,等. 焊接速度对AA6082搅拌摩擦焊接头根部缺陷及性能的影响[J]. 焊接学报, 2015, 36(8): 31 − 34.

Dai Qilei, Wang Xiuyi, Hou Zhenguo, et al. Effect of tarvel speed on the root -defects and mechanical properities of friction stir welded AA6082 alloy joint[J]. Transntions of the China Welding Intitution, 2015, 36(8): 31 − 34.

毛育青, 柯黎明, 刘奋成, 等. 铝合金厚板搅拌摩擦焊焊缝疏松缺陷形成机理[J]. 航空学报, 2017, 38(3): 256 − 264.

Mao Yunqing, Ke Liming, Liu Fencheng, et al. Formation mechanism of weld loose defect in friction stir welding[J]. Acta Aeronautica et Astronautica Sinica, 2017, 38(3): 256 − 264.

徐韦锋, 刘金合, 栾国红, 等. 厚板铝合金搅拌摩擦焊温度场的检测与分析[J]. 机械科学与技术, 2008, 27(9): 1159 − 1162.

Xu Weifeng, Liu Jinhe, Luan Guohong, et al. Temperature measuring and analysis for friction-stir welded thick plate[J]. Mechanical Science and Technology for Aerospace Engineering, 2008, 27(9): 1159 − 1162.

毛育青, 柯黎明, 刘奋成, 等. 铝合金厚板FSW焊缝成形及金属流动行为分析[J]. 航空学报, 2016, 37(11): 3546 − 3553.

Mao Yuqing, Ke Liming, Liu Fencheng, et al. Weld formation and material flow behavior in FSW thick aluminum alloy[J]. Acta Aeronautica et Astronautica Sinica, 2016, 37(11): 3546 − 3553.

Gao C, Zhu Z, Han J, et al. Correlation of microstructure and mechanical properties in friction stir welded 2198-T8 Al–Li alloy[J]. Materials Science and Engineering: A, 2015, 639: 489 − 499. doi: 10.1016/j.msea.2015.05.038

罗传红, 郭立杰, 董丰波, 等. 铝合金搅拌摩擦焊焊核紊流区及性能分析[J]. 焊接学报, 2016, 37(1): 90 − 94.

Luo Chuanhong, Guo Lijie, Dong Fengbo, et al. Analysis of turbulent flowing zone in friction stir welded aluminum alloy weld nugget[J]. Transactions of the China Welding Institution, 2016, 37(1): 90 − 94.

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Effect of travel speeds on microstructures and mechanical properties of friction-stir welded 5754 aluminum alloy sheets