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Abstract：
2219 aluminum alloys welding joints were prepared by Friction stir welding (FSW) and Variable polarity plasma arc welding (VPPAW). The microstructure of joints was characterized by means of OM, SEM, and EDX. Microhardness measurements was performed to differentiate the joint zones and to evaluate the symmetry level of the joints with the help of nano-indentation experiment. The dissymmetry of microstructure and mechanical properties was found both in FSW joint and VPPAW joint. The dissymmetry in FSW joint can not be suppressed due to the nature of the mixing head, but the symmetry and satisfactory welding joint can be obtained by changing the working pattern of VPPAW.
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RARE METAL MATERIALS AND ENGINEERING
ISSN： 1002-185X
Year： 2011
Volume： 40
Page： 84-89
0 . 7 0 0
JCR@2022
ESI Discipline： MATERIALS SCIENCE;
JCR Journal Grade：4
CAS Journal Grade：4
Cited Count：
WoS CC Cited Count： 0
SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 5
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