期刊
MATERIALS
卷 13, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/ma13020301
关键词
DRECE; XRD; EBSD; structure
类别
资金
- rector's grant in the area of scientific research and development works, Silesian University of Technology [10/010/RGJ19/0273]
- Structural Founds of Europe Union [CZ.02.1.01/0.0/0.0/17_049/0008407]
In this study, a dual rolls equal channel extrusion (DRECE) process has been applied for improving the mechanical properties of the 5754 alloy. Supplementary experiments involving metallography, electron backscattered diffraction (EBSD), and XRD tests were carried out to evaluate the effect of the DRECE process. XRD analysis showed that the maximum dislocation density was achieved after six DRECE passes, which were accompanied by the formation that is typical for low-strain structures. The increasing dislocation density, as well as grain refinement throughout DRECE deformation, resulted in an increase in the mechanical properties. Annealing of the as-deformed sample resulted in grain growth and strength reduction.
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