J. Mater. Sci. Technol. ›› 2018, Vol. 34 ›› Issue (1): 119-127.DOI: 10.1016/j.jmst.2017.10.017
Special Issue: FSW-and-FSP-articles 2018
• Orginal Article • Previous Articles Next Articles
Alessandro Barbini*(), Jan Carstensen, Jorge F. dos Santos
Received:
2017-03-24
Revised:
2017-05-19
Accepted:
2017-05-23
Online:
2018-01-20
Published:
2018-02-09
Contact:
Barbini Alessandro
Alessandro Barbini, Jan Carstensen, Jorge F. dos Santos. Influence of a non-rotating shoulder on heat generation, microstructure and mechanical properties of dissimilar AA2024/AA7050 FSW joints[J]. J. Mater. Sci. Technol., 2018, 34(1): 119-127.
Process | Rotational speed (rpm) | Welding speed (mm/min) | Tilt angle (deg.) | ||
---|---|---|---|---|---|
FSW | 600 | 180 | 300 | 480 | 1 |
SSFSW | 1200 | 60 | 120 | 180 | 1 |
Table 1 Welding parameters for FSW and SSFSW.
Process | Rotational speed (rpm) | Welding speed (mm/min) | Tilt angle (deg.) | ||
---|---|---|---|---|---|
FSW | 600 | 180 | 300 | 480 | 1 |
SSFSW | 1200 | 60 | 120 | 180 | 1 |
Patameters | FSW (600 rpm) | SSFSW (1200 rpm) | ||||
---|---|---|---|---|---|---|
Welding speed (mm/s) | 3 | 5 | 8 | 1 | 2 | 3 |
Energy Input (kJ/m) (4 | 394 (High) | 256 (Medium) | 174 (Low) | 176 (High) | 146 (Medium) | 101 (Low) |
Torque (Nm) | 18.8 | 20.4 | 22.2 | 1.4 | 2.3 | 2.4 |
(N)Fx | 403.1 | 512.0 | 698.5 | 1496.2 | 1681.1 | 2070.6 |
Table 2 Welding parameters and respective measured forces and torques for FSW and SSFSW.
Patameters | FSW (600 rpm) | SSFSW (1200 rpm) | ||||
---|---|---|---|---|---|---|
Welding speed (mm/s) | 3 | 5 | 8 | 1 | 2 | 3 |
Energy Input (kJ/m) (4 | 394 (High) | 256 (Medium) | 174 (Low) | 176 (High) | 146 (Medium) | 101 (Low) |
Torque (Nm) | 18.8 | 20.4 | 22.2 | 1.4 | 2.3 | 2.4 |
(N)Fx | 403.1 | 512.0 | 698.5 | 1496.2 | 1681.1 | 2070.6 |
Fig. 3. Weld cross sections for both processes for fixed RPM (a) FSW at WS = 3 mm/s (b) FSW at WS = 5 mm/s (c) FSW at WS = 8 mm/s (d) SSFSW at WS = 3 mm/s.
Materials | Rz (μm) | Ra (μm) | ||||||
---|---|---|---|---|---|---|---|---|
Max | Min | Ave | Std. Dev | Max | Min | Ave | Std. Dev | |
AA2024 | 21.13 | 7.6 | 14.31 | 2.66 | 0.57 | 0.33 | 0.4 | 0.02 |
AA7050 | 34.7 | 7.06 | 15.53 | 4.68 | 0.46 | 0.25 | 0.38 | 0.03 |
FSW | 68.34 | 16 | 33.72 | 11.47 | 4.29 | 0.65 | 1.42 | 0.73 |
SSFSW | 20.82 | 12.22 | 16.82 | 1.01 | 0.89 | 0.49 | 0.58 | 0.02 |
Table 3 Roughness measurements for FSW, SSFSW and the two base materials.
Materials | Rz (μm) | Ra (μm) | ||||||
---|---|---|---|---|---|---|---|---|
Max | Min | Ave | Std. Dev | Max | Min | Ave | Std. Dev | |
AA2024 | 21.13 | 7.6 | 14.31 | 2.66 | 0.57 | 0.33 | 0.4 | 0.02 |
AA7050 | 34.7 | 7.06 | 15.53 | 4.68 | 0.46 | 0.25 | 0.38 | 0.03 |
FSW | 68.34 | 16 | 33.72 | 11.47 | 4.29 | 0.65 | 1.42 | 0.73 |
SSFSW | 20.82 | 12.22 | 16.82 | 1.01 | 0.89 | 0.49 | 0.58 | 0.02 |
|
[1] | Zhiqiang Zhang, Changshu He, Ying Li, Lei Yu, Su Zhao, Xiang Zhao. Effects of ultrasonic assisted friction stir welding on flow behavior, microstructure and mechanical properties of 7N01-T4 aluminum alloy joints [J]. J. Mater. Sci. Technol., 2020, 43(0): 1-13. |
[2] | Wei Hu, Zhongwei Ma, Shude Ji, Qi Song, Mingfei Chen, Wenhui Jiang. Improving the mechanical property of dissimilar Al/Mg hybrid friction stir welding joint by PIO-ANN [J]. J. Mater. Sci. Technol., 2020, 53(0): 41-52. |
[3] | Mariana X. Milagre, Uyime Donatus, Naga V. Mogili, Rejane Maria P. Silva, Bárbara Victória G. de Viveiros, Victor F. Pereira, Renato A. Antunes, Caruline S.C. Machado, João Victor S. Araujo, Isolda Costa. Galvanic and asymmetry effects on the local electrochemical behavior of the 2098-T351 alloy welded by friction stir welding [J]. J. Mater. Sci. Technol., 2020, 45(0): 162-175. |
[4] | Weijie Ren, Dejia Liu, Qing Liu, Renlong Xin. Influence of texture distribution in magnesium welds on their non-uniform mechanical behavior: A CPFEM study [J]. J. Mater. Sci. Technol., 2020, 46(0): 168-176. |
[5] | S.C. Han, L.H. Wu, C.Y. Jiang, N. Li, C.L. Jia, P. Xue, H. Zhang, H.B. Zhao, D.R. Ni, B.L. Xiao, Z.Y. Ma. Achieving a strong polypropylene/aluminum alloy friction spot joint via a surface laser processing pretreatment [J]. J. Mater. Sci. Technol., 2020, 50(0): 103-114. |
[6] | C. Yang, J.F. Zhang, G.N. Ma, L.H. Wu, X.M. Zhang, G.Z. He, P. Xue, D.R. Ni, B.L. Xiao, K.S. Wang, Z.Y. Ma. Microstructure and mechanical properties of double-side friction stir welded 6082Al ultra-thick plates [J]. J. Mater. Sci. Technol., 2020, 41(0): 105-116. |
[7] | Yongxian Huang, Yuming Xie, Xiangchen Meng, Junchen Li, Li Zhou. Joint formation mechanism of high depth-to-width ratio friction stir welding [J]. J. Mater. Sci. Technol., 2019, 35(7): 1261-1269. |
[8] | H. Zhang, P. Xue, D. Wang, L.H. Wu, D.R. Ni, B.L. Xiao, Z.Y. Ma. Effect of heat-input on pitting corrosion behavior of friction stir welded high nitrogen stainless steel [J]. J. Mater. Sci. Technol., 2019, 35(7): 1278-1283. |
[9] | X.C. Liu, Y.F. Sun, T. Nagira, K. Ushioda, H. Fujii. Evaluation of dynamic development of grain structure during friction stir welding of pure copper using a quasi in situ method [J]. J. Mater. Sci. Technol., 2019, 35(7): 1412-1421. |
[10] | X.H. Zeng, P. Xue, L.H. Wu, D.R. Ni, B.L. Xiao, K.S. Wang, Z.Y. Ma. Microstructural evolution of aluminum alloy during friction stir welding under different tool rotation rates and cooling conditions [J]. J. Mater. Sci. Technol., 2019, 35(6): 972-981. |
[11] | Q. Chu, W.Y. Li, H.L. Hou, X.W. Yang, A. Vairis, C. Wang, W.B. Wang. On the double-side probeless friction stir spot welding of AA2198 Al-Li alloy [J]. J. Mater. Sci. Technol., 2019, 35(5): 784-789. |
[12] | X.X. Zhang, L.H. Wu, H. Andrä, W.M. Gan, M. Hofmann, D. Wang, D.R. Ni, B.L. Xiao, Z.Y. Ma. Effects of welding speed on the multiscale residual stresses in friction stir welded metal matrix composites [J]. J. Mater. Sci. Technol., 2019, 35(5): 824-832. |
[13] | M.P. Miles, T.W. Nelson, C. Gunter, F.C. Liu, L. Fourment, T. Mathis. Predicting recrystallized grain size in friction stir processed 304L stainless steel [J]. J. Mater. Sci. Technol., 2019, 35(4): 491-498. |
[14] | Zhongwei Ma, Yanye Jin, Shude Ji, Xiangchen Meng, Lin Ma, Qinghua Li. A general strategy for the reliable joining of Al/Ti dissimilar alloys via ultrasonic assisted friction stir welding [J]. J. Mater. Sci. Technol., 2019, 35(1): 94-99. |
[15] | Chao Zhang, Lei Cui, Yongchang Liu, Chenxi Liu, Huijun Li. Microstructures and mechanical properties of friction stir welds on 9% Cr reduced activation ferritic/martensitic steel [J]. J. Mater. Sci. Technol., 2018, 34(5): 756-766. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||