2017
DOI: 10.1016/j.msea.2017.09.032
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Effect of Sc and Zr additions on the microstructure/strength of Al-Cu binary alloys

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Cited by 118 publications
(21 citation statements)
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“…Dispersoids former elements tend to stay in solution in the as-cast condition and hence it is common to heat treat to the suitable temperature for dispersoids formation directly from the as-cast condition. This was recently shown to be the case for an Al-4Cu-Sc-Zr alloy, where both Sc and Zr were shown to stay in solution after solidification [10]. In the present case, our TEM observations revealed the presence of a high number density of dispersoids in the as-cast condition.…”
Section: Development Of Homogenization Methods For 6xxx-series Alloyssupporting
confidence: 81%
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“…Dispersoids former elements tend to stay in solution in the as-cast condition and hence it is common to heat treat to the suitable temperature for dispersoids formation directly from the as-cast condition. This was recently shown to be the case for an Al-4Cu-Sc-Zr alloy, where both Sc and Zr were shown to stay in solution after solidification [10]. In the present case, our TEM observations revealed the presence of a high number density of dispersoids in the as-cast condition.…”
Section: Development Of Homogenization Methods For 6xxx-series Alloyssupporting
confidence: 81%
“…As a result, both these starting conditions will be investigated further as a possible suitable starting point for and appropriate homogenization heat treatment. In order to ensure the formation of fine core-shell dispersoids, the utilisation of a multi-step homogenization approach will most likely be required [10,12,31,32]. The core-shell morphology should then ensure thermal stability of the dispersoids when solutionizing the Mg and Si, and during subsequent processing and ageing.…”
Section: Development Of Homogenization Methods For 6xxx-series Alloysmentioning
confidence: 99%
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“…To overcome this shortcoming, some precipitates with more coarsening resistant such as Al 3 X (e.g. X=Sc, Er, etc) and Ω precipitates have been developed [7,8]. The Ω precipitation is considered as a variant of equilibrium θ-Al 2 Cu.…”
Section: Introductionmentioning
confidence: 99%