Material flow and microstructure evolution on the flow path of friction stir lap welded aluminium alloy
Source abstract
Abstract
Vertical material flow and microstructure evolution were investigated by the material tracing technology during friction stir lap welding of 6061-T6 aluminium alloys from a new perspective: various angles of keyhole obtained by emergency stop technique. First, lamellar grains were transformed into equiaxed subgrains, and texture was transitioned from {110}//shear direction fibre texture to strong components when materials flowed from the advancing side to the leading side. Then subgrains grew into recrystallised grains at the retreating side. After that the downward material flow at the trailing side induced plastic deformation, resulting in many subgrains with strong texture components. Finally, grains grew up and retained with strong components in the stir zone.
Source: openalex_inverted_index · 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
Engineering Research Centre of Advanced Manufacturing Technology for Automotive Components, Ministry of Education, Welding Equipment R & D Centre, Beijing University of Technology, Beijing, People’s Republic of China
Chinese Academy of Sciences Aerospace Information Research Institute, Beijing, People’s Republic of China
Beijing National Innovation Institute of Lightweight Limited, Beijing, People’s Republic of China
Capital Aerospace Machinery Corporation Limited, Beijing, People’s Republic of China
Funding
National Key Research and Development Program of China
References (34)
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