Rapid grain refinement of 2024 Al alloy through recrystallization induced by electropulsing

The hot rolled 2024 Al alloy subjected to electropulsing was investigated in this study. The results show that the electropulsing treated sample with optimized parameter exhibits notable improvement of mechanical properties and greatly refined microstructure. The main grain refinement mechanism is r...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2014-08, Vol.612, p.223-226
Main Authors: Xu, Xiaofeng, Zhao, Yuguang, Ma, Bingdong, Zhang, Jiatao, Zhang, Ming
Format: Article
Language:English
Subjects:
2024 Al alloy
Aluminum base alloys
Applied sciences
Cold working, work hardening
annealing, quenching, tempering, recovery, and recrystallization
textures
Cross-disciplinary physics: materials science
rheology
Electropulsing
Exact sciences and technology
Grain refinement
Materials science
Mechanical properties
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Microstructure
Physics
Recognition
Recrystallization
Structural materials
Treatment of materials and its effects on microstructure and properties
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Summary:The hot rolled 2024 Al alloy subjected to electropulsing was investigated in this study. The results show that the electropulsing treated sample with optimized parameter exhibits notable improvement of mechanical properties and greatly refined microstructure. The main grain refinement mechanism is recognized as rapid recrystallization under EPT. It is a promising method of processing techniques to optimize the mechanical behavior. •The electropulsing was conducted on the hot rolled 2024 Al alloys.•The electropulsing remarkably improved the mechanical properties and microstructrue..•The mechanism of the grain refinement was regarded as the rapid recrystallization.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2014.06.057