Effect of Sleeve Plunge Depth on Microstructure and Mechanical Properties of Refill Friction Stir Spot Welding of 2198 Aluminum Alloy

2017 ◽  
Vol 26 (10) ◽  
pp. 5064-5071 ◽  
Author(s):  
Yumei Yue ◽  
Yao Shi ◽  
Shude Ji ◽  
Yue Wang ◽  
Zhengwei Li
Sadhana ◽  
2019 ◽  
Vol 44 (3) ◽  
Author(s):  
Farhood Heydari ◽  
Ahmad Ali Amadeh ◽  
Olatunji Oladimeji Ojo ◽  
Mohammad Hossein Hasanniya ◽  
Mortaza Tamizifar

Author(s):  
Kareem Mohsen Raheef ◽  
Kamal Abdulkareem Mohammed ◽  
Muhanad Nazar Mustafa Al-Sabbagh ◽  
Ahmed Ali Farhan Ogaili

2019 ◽  
Vol 38 (2019) ◽  
pp. 69-75 ◽  
Author(s):  
Zhenlei Liu ◽  
Kang Yang ◽  
Dejun Yan

AbstractRefill friction stir spot welding (RFSSW) was used to join 6061-T6 and 7075-T6 aluminum alloys in this work. Different sheet configurations and welding parameters were used to optimize joint strength. The effect of sleeve plunge depth on the microstructure and mechanical properties of the joints were investigated. The results showed that no defects were obtained when 6061-T6 aluminum alloy was placed as the upper sheet. The lap shear failure load of the joint using 6061-T6 aluminum alloy as the upper sheet was higher than that using 7075-T6 as the upper sheet. The maximum failure load of 12,892 N was attained when using the sleeve plunge depth of 3.6 mm. The joint failed at the upward flowing 7075 near the hook.


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