J. Mater. Sci. Technol. ›› 2019, Vol. 35 ›› Issue (8): 1712-1718.DOI: 10.1016/j.jmst.2019.03.033
• Orginal Article • Previous Articles Next Articles
Shude Jia*(), Shiyu Niua, Jianguang Liub*()
Received:
2018-09-26
Revised:
2018-10-11
Accepted:
2018-10-16
Online:
2019-08-05
Published:
2019-06-19
Contact:
Ji Shude,Liu Jianguang
About author:
1The authors contributed equally to this work.
Shude Ji, Shiyu Niu, Jianguang Liu. Dissimilar Al/Mg alloys friction stir lap welding with Zn foil assisted by ultrasonic[J]. J. Mater. Sci. Technol., 2019, 35(8): 1712-1718.
Fig. 2. Cross-sections of the joints: (a) the conventional joint; Zn-added UaFSLW joints under the output powers of (b) 800 W, (c) 1200 W and (d) 1600 W.
Fig. 3. Comparative analyses of the joints under different processes: (a) ELW and EST; (b) the length of the boundary between Mg/Al MR and TMAZ in lower plate.
Fig. 4. Enlarged views of the conventional joint: (a) and (b) regions 1 and 2 marked in Fig. 2(a); (c) and (d) SEM views of typical structures; (e) scanning results of points 1 and 2; (f) scanning results of region A marked in Fig. 2(a).
Fig. 5. Enlarged SEM views of the regions in the UaFSLW joints marked in Fig. 2: (a) and (b) regions 3 and 4 at 800 W; (c) and (d) regions 5 and 6 at 1200 W; (e) and (f) regions 7 and 8 at 1600 W.
Fig. 6. SEM and EDS results of the joints: (a) (b) and (c) regions 1, 2 and 3 marked in Fig. 5; (d) and (e) point scanning results of points 3 and 4; (f) map scanning results of region B marked in Fig. 2.
Fig. 9. Fracture locations of the joints: (a) the conventional joint; Zn-added UaFSLW joints under the output powers of (b) 800 W, (c) 1200 W and (d) 1600 W.
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