Proceedings of the 2015 International Conference on Power Electronics and Energy Engineering 2015
DOI: 10.2991/peee-15.2015.41
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Microstructure and mechanical properties of micro-alloying modified Al-Mg alloys

Abstract: Er and Sr were added to 5052 Al alloy to investigate their possible effects on the microstructure and mechanical properties of the alloy. The results show that while Sr addition has a moderate grain refinement effect and has no positive effect on alloy plasticity, Er addition refines both the grain size and Al6Fe intermetallics and obviously improves the tensile elongation from 12% for 5052 alloy to 20% for Er-containing alloy. It is also revealed that Er either dissolves in the matrix or combines with Fe and … Show more

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Cited by 4 publications
(2 citation statements)
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“…The content of impurity solutes in the atomized powders was reduced with increased Er addition. This trend has also been found in literature where the levels of Fe and Si impurity in a 5052 Al alloy were reduced by Er addition due to Er combining with Si and Fe in the melt [14]. XRD spectra of the atomized powders indicate anAl solid solution as shown in Figure 1; Si peaks are from the added crystallographic standard powder to correct peak position.…”
Section: Methodssupporting
confidence: 60%
“…The content of impurity solutes in the atomized powders was reduced with increased Er addition. This trend has also been found in literature where the levels of Fe and Si impurity in a 5052 Al alloy were reduced by Er addition due to Er combining with Si and Fe in the melt [14]. XRD spectra of the atomized powders indicate anAl solid solution as shown in Figure 1; Si peaks are from the added crystallographic standard powder to correct peak position.…”
Section: Methodssupporting
confidence: 60%
“…Al-Mg alloys are non-heat treatable, and they drive their strength from solid solution strengthening, grain refinement, and strain hardening. Al-Mg alloys with low Mg content have better formability and are more suitable for large wrought products [2]. An increase in the Mg content leads to a rise of Al 3 Mg 2 and Mg 5 Al 8 particles in the alloy.…”
Section: Introductionmentioning
confidence: 99%