Achieving equal fatigue strength to base material in a friction stir welded 5083-H19 aluminium alloy joint
Source abstract
Abstract
By using a low rotation rate of 200 rpm with additional water cooling, a friction stir welded (FSW) joint with equal fatigue strength to the base material (BM) was obtained in 5083Al-H19 rolled plates due to the significantly decreased softening and the residual stress effect. Though the hardness value in the heat affected zone (HAZ) was a little lower than that of the BM, the decreased tensile effect of the residual stress in the HAZ greatly improved the fatigue performance, which was even higher than that of the BM, so the final fracture occurred at the BM. This study provides an effective strategy to enhance the fatigue performance of the FSW joints.
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
School of Materials Science and Engineering, Northeastern University, Shenyang, People's Republic of China
Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, People's Republic of China
Funding
National Natural Science Foundation of China
References (42)
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