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Formation mechanism of refined Al6(Mn, Fe) phase particles during continuous rheo-extrusion and its contribution to tensile properties in Al–Mg–Mn–Fe alloys by Bowei Yang; Minqiang Gao; Yan Liu; Shuai Pan; Shuancheng Meng; Ying Fu; Renguo Guan is a Engineering article available to read on EtoBox.
What is Formation mechanism of refined Al6(Mn, Fe) phase particles during continuous rheo-extrusion and its contribution to tensile properties in Al–Mg–Mn–Fe alloys about?
Tailoring the size and morphology of Al6(Mn, Fe) phase particles is expected to achieve a good combination of strength and ductility in Al–Mg–Mn–Fe alloys. In this study, the microstructural evolution in an Al–5Mg–0.8Mn–0.1Fe (wt%) alloy fabricated through continuous rheo-extrusion was investigated via scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The formation mechanism of the Al6(Mn, Fe) phase particles during continuous rheo-extrusion was revealed. The contribution of the Al6(Mn, Fe) phase particles to the tensile properties of the alloy was discussed. The results indicated that a remarkable refinement effect on the Al6(Mn, Fe) phase particles during continuous rheo-extrusion was achieved. The formation of refined Al6(Mn, Fe) phase particles was primarily attributed to the coefficient of the high cooling rate and shear deformation during continuous rheo-extrusion. Compared with the as-cast alloy containing micron-sized phase particles, the rheo-extruded alloy with nanoscale Al6(Mn, Fe) phase particles exhibited a significant enhancement in strength. During tensile deformation, the small circular cracks around the nano-sized Al6(Mn, Fe) phase part
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- Author
- Bowei Yang; Minqiang Gao; Yan Liu; Shuai Pan; Shuancheng Meng; Ying Fu; Renguo Guan
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)