Effects of MIG welding superposition on microstructure and property of 6A01-T5 FSW joint

ZHANG Tiehao; YANG Zhibin; ZHANG Zhiyi; ZHANG Haijun; Shi Chunyuan

doi:10.12073/j.hjxb.20200112001

TRANSACTIONS OF THE CHINA WELDING INSTITUTION > 2020 > 41(9): 81-88, 96. > DOI: 10.12073/j.hjxb.20200112001

ZHANG Tiehao, YANG Zhibin, ZHANG Zhiyi, ZHANG Haijun, Shi Chunyuan. Effects of MIG welding superposition on microstructure and property of 6A01-T5 FSW joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2020, 41(9): 81-88, 96. DOI: 10.12073/j.hjxb.20200112001

Citation:

PDF (69305 KB)

Effects of MIG welding superposition on microstructure and property of 6A01-T5 FSW joint

1.
CRRC Qiangdao Sifang Co., Ltd., Qiangdao 266111, China
2.
School of Material Science and Engineering, Dalian Jiaotong University, Dalian 116028, China

More Information

Received Date: January 11, 2020
Available Online: November 13, 2020

Graphical Abstract

Abstract

Abstract

Effects of MIG welding superposition on microstructure and property of 6A01-T5 FSW joint was researched in this work. The results indicated that the MIG/FSW joints formed well without porosity defects near the superposition. The microstructure of the FSW weld nugget and heat affected zone became coarse and which near the superposition was changed obviously. The hardness value of the superposition was reduced significantly, especially for FSW thermo-mechanically affected zone and heat affected zone. The tensile strengths of the FSW joint, MIG superposition on the FSW weld center, MIG superposition on the FSW advancing side thermo-mechanically affected zone, and MIG superposition on the FSW retreating side thermo-mechanically affected zone were 219.8 MPa, 188.0 MPa, 195.4 MPa and 191.4 MPa, respectively. MIG superposition reduced the FSW joint tensile strength, and the fracture appearance of all joints belonged to ductile fracture. The median fatigue strengths of above the FSW joint and three joints with MIG weld reinforcement were 76.7 MPa, 65.0 MPa, 67.5 MPa and 65.0 MPa respectively. The MIG superposition was also reduced the fatigue properties of the FSW joints.
- Aluminum alloy,
- Frication stir welding,
- Superposition welding,
- Mechanical property,
- MIG welding

FullText(HTML)

References (15)

References

Lee H A, Jung S B, Jang H H, et al. Structural-optimization-based design process for the body of a railway vehicle made from extruded aluminum panels[J]. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 2015, 230(4): 1283 − 1296.

韩晓辉, 李帅贞, 毛镇东, 等. 高速列车用6106-T6铝合金型材激光-电弧复合焊接工艺及接头性能[J]. 中国激光, 2019, 46(12): 1202004. doi: 10.3788/CJL201946.1202004

Han Xiaohui, Li Shuaizhen, Mao Zhendong, et al. Laser-arc hybrid welding process and joint performances of 6106-T6 aluminum alloy profiles for high speed trains[J]. Chinese Journal of Lasers, 2019, 46(12): 1202004. doi: 10.3788/CJL201946.1202004

杨则云. 高强度铝合金及其先进焊接技术研究现状及发展方向[J]. 电焊机, 2018, 48(3): 255 − 259.

Yang Zeyun. Research status and development direction of high strength aluminum alloy and its advanced welding technologies[J]. Electric Welding Machine, 2018, 48(3): 255 − 259.

Peng Y, Shen C, Zhao Y, et al. Comparison of bectrochemical behaviors between FSW and MIG joints for 6082 aluminum alloy[J]. Rare Metal Materials & Engineering, 2017, 46(2): 344 − 348.

韩晓辉, 陶传琦, 张铁浩, 等. 搅拌摩擦焊技术在轨道车辆铝合金车体制造中的应用与展望[J]. 现代焊接, 2016, 6: 16 − 20.

Han Xiaohui, Tao Chuanqi, Zhang Tiehao, et al. Application and prospect of friction stir welding technology in aluminum alloy body manufacturing of railway vehicle[J]. Modern Welding, 2016, 6: 16 − 20.

Shanavas S, Dhas JER. Parametric optimization of friction stir welding parameters of marine grade aluminium alloy using response surface methodology[J]. Transactions of Nonferrous Metals Society of China, 2017, 27(11): 2334 − 2344. doi: 10.1016/S1003-6326(17)60259-0

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.

Saccon V T, Parra B S, Olea C W, et al. Microstructural characterization and mechanical behavior of an AA2139 T3 and T8 aluminum alloy joined by friction stir welding (FSW)[J]. Soldagem and Inspecao, 2010, 15(4): 289 − 297. doi: 10.1590/S0104-92242010000400006

栾国红, 胡煌辉, 柴鹏. 搅拌摩擦焊-新型列车制造新技术[J]. 电力机车与城轨车辆, 2006, 4: 40 − 43. doi: 10.3969/j.issn.1672-1187.2006.03.013

Luan Guohong, Hu Huanghui, Chai Peng. Friction stir welding – in-novative rail vehicle manufacturing process[J]. Electric Locomotives and Mass Transit Vehicles, 2006, 4: 40 − 43. doi: 10.3969/j.issn.1672-1187.2006.03.013

王炎金. 铝合金车体焊接工艺[M]. 北京: 机械工业出版社, 2011.

Wang Yanjin. Welding process for aluminum alloy car body [M]. Beijing: China Machine Press, 2011.

高祎晗, 国旭明, 莫春立. 铝合金无减薄搅拌摩擦焊工艺优化及特征分析[J]. 焊接学报, 2019, 40(4): 141 − 147. doi: 10.12073/j.hjxb.2019400115

Gao Yihan, Guo Xuming, Mo Chunli. Parameters optimization and character analysis of the zero-weld-thinning friction stir welding process of aluminum alloy[J]. Transactions of the China Welding Institution, 2019, 40(4): 141 − 147. doi: 10.12073/j.hjxb.2019400115

Huang Y X, Meng X C, Lü, Z L, et al. Microstructures and mechanical properties of micro friction stir welding (μ FSW) of 6061-T4 aluminum alloy[J]. Journal of Materials Research and Technology – JMR & T, 2019, 8(1): 1084 − 1091.

Aziz S B, Dewan M W, Huggett D J, et al. A fully coupled thermomechanical model of friction stir welding (FSW) and numerical studies on process parameters of lightweight aluminum alloy joints[J]. Acta Metallurgica Sinica – English letters, 2018, 31(1): 1 − 18. doi: 10.1007/s40195-017-0658-4

邓彩艳, 高仁, 龚宝明, 等. 7050铝合金搅拌摩擦焊接头超高周疲劳强度[J]. 焊接学报, 2018, 39(11): 114 − 118. doi: 10.12073/j.hjxb.2018390284

Deng Caiyan, Gao Ren, Gong Baoming, et al. Research on ultra-high-cycle fatigue properties of 7050 aluminum alloy FSW welded joints[J]. Transactions of the China Welding Institution, 2018, 39(11): 114 − 118. doi: 10.12073/j.hjxb.2018390284

佟建华, 张坤, 林松, 等. 搅拌摩擦焊和熔化极气体保护焊6082铝合金疲劳性能分析[J]. 焊接学报, 2015, 36(7): 105 − 109.

Tong Jianhua, Zhang Kun, Lin Song, et al. Comparison of fatigue property of 6082 aluminum alloy joint by friction stir welding and metal inert-gas welding[J]. Transactions of the China Welding Institution, 2015, 36(7): 105 − 109.

Cited By

Cited by

Periodical cited type(4)

1.	邹阳，魏巍，范悦，王泽震，王强，赵亮. 铝合金搅拌摩擦焊工艺研究进展. 热加工工艺. 2024(03): 7-13 .
2.	罗力. 轨道交通金属制品研发中的性能测试与验证方法研究. 黑龙江科学. 2024(22): 161-164 .
3.	庞永俊，胡玉杰，王栋，马立勇. 腐蚀环境对6A01-T5铝合金焊接接头疲劳性能的影响. 江苏科技大学学报(自然科学版). 2023(02): 29-33+52 .
4.	韩晓辉，张志毅，马国龙，吴来军，宋晓国，王厚勤，檀财旺. 热源角度对6A01铝合金激光-MIG复合焊成形及气孔的影响. 中国激光. 2022(02): 218-229 .

Other cited types(0)

Get Citation

PDF

XML

Article views (585) PDF downloads (18) Cited by(4)

Turn off MathJax

Article Contents

Abstract

References

Effects of MIG welding superposition on microstructure and property of 6A01-T5 FSW joint

Abstract

References

Cited by

Periodical cited type(4)

Other cited types(0)

Catalog

Export File

Citation

Format

Content