Microstructures and properties of Mg alloy/DP600 steel dissimilar refill friction stir spot welds
Source abstract
Abstract
Joining of ZEK100 Mg alloy and Zn coated DP600 steel sheets is studied using refill friction stir spot welding (RFSSW). The RFSSW process involves a tool with independently moving sleeve and pin components, which rotate at a constant speed and penetrate into only the top sheet. Welds could be achieved, which exceeded 4.7 kN shear strength, using the following process parameters: 1800 rev min− 1 tool speed, 3.0 s welding time and 1.5 mm of penetration into the upper ZEK100 sheet. Scanning electron (SEM) and transmission electron microscopy (TEM) are used to characterise the Mg/steel interface. It is revealed that a continuous layer of FeAl2 particles accommodate bonding of the sheets, which appears to have originated from the galvanised coating on the DP600.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Welding Techniques Analysis · Aluminum Alloys Composites Properties · Aluminum Alloy Microstructure Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, Ont., Canada
CanmetMATERIALS, Natural Resources Canada, Hamilton, Ont., Canada
References (23)
Show source-provided references
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